What unbalanced force is needed to give a 976 kg vehicle an acceleration of 2.50 m/s2? ASAP

The half-life of hypothetical element  technetium-99 is 210,936 years.

Half-life of the hypothetical element From the graph provided in the question, the half-life of the hypothetical element can be obtained by finding the time taken for the element to reduce to half its original quantity. Here, it can be seen from the graph that the quantity of the element reduces from 40 to 20 on day 4. Therefore, the half-life of the hypothetical element is 4 days.2. Time taken for a sample to decay from 100 grams to 25 gramsIf the half-life of a given substance is 65 days, then the quantity of the substance reduces to half every 65 days. From 100 grams to 50 grams, it takes one half-life cycle. From 50 grams to 25 grams, it will take another half-life cycle.

Therefore, it will take two half-life cycles, which is 2 × 65 = 130 days, for a 100-gram sample of the substance to decay until there is only 25 grams of the radioactive material remaining.3. Half-life of a sample that decays from 200 grams to 50 grams in 60 minutesIt is given that the sample of radioactive isotopes takes 60 minutes to decay from 200 grams to 50 grams. To find the half-life, we need to determine how many times the sample has lost half of its mass, which tells you how many half-life cycles have occurred.At 30 minutes, the sample reduces to half its original quantity, which is 100 grams. At 45 minutes, it reduces to 50 grams, which is half of 100 grams. Therefore, it takes two half-life cycles to reduce from 200 grams to 50 grams in 60 minutes. Hence, the half-life of the isotope is 15 minutes.4. Half-life of technetium-99 that decays from 500.0 g to 62.5 g in 639,000 yearsIt is given that a 500.0 g sample of technetium-99 decays to 62.5 g of technetium-99 remaining in 639,000 years. We can use the half-life formula to find the half-life of technetium-99.t1/2 = (t × log2) / log(N0 / Nt) Where,t1/2 = half-life of the substanceN0 = initial quantity of the substance Nt = quantity of the substance left after time t (in years)t = time (in years)From the given data,t1/2 = (639000 × log2) / log(500.0 / 62.5)t1/2 = 210,936 years.

for such more questions on element  

https://brainly.com/question/30933074

#SPJ8

Drehex Corporation may need to make trade-offs between cost and time to complete the project, considering the hourly rates and time estimates of their team members.

Corporation may have to make several trade-offs to complete the project based on the cost and time estimates provided. Here are some possible trade-offs they may need to consider:

Ultimately, the trade-offs Drehex Corporation makes will depend on their specific project goals, budget, timeline, and the importance they place on factors such as cost-effectiveness, timeliness, expertise, and quality. Balancing these trade-offs effectively is crucial for successful project completion.

Know more about  time    here:

https://brainly.com/question/30908121

#SPJ8

Answer:

Sample Response: Oracio is the most cost-effective choice because he would cost the least to complete the project. However, he would also take the longest amount of time. Camilla could complete the job the fastest, but she costs more than Oracio. Drehex Corporation will have to decide if it is more important to save money or complete the work quickly to meet the deadline.

Explanation:

We have that the total pipe drip of \(X=155 mL/min.\) expressed in gallons/day is

\(X=58.96gal/day\)

From the Question we are told that

Pipe Drip\(=155 mL/min.\)

Generally

We have that for mL to gallons conversion

\(1mL=0.000264172\)

And

A minute to day con version is

\(1min=0.000694444\)

Therefore

\(X=155 mL/min.\)

\(X=155(\frac{0.000264172}{0.000694444})\)

\(X=58.96gal/day\)

In conclusion

The total pipe drip of \(X=155 mL/min.\) expressed in gallons/day is \(X=58.96gal/day\)

For more information on this visit

https://brainly.com/question/15276693

The amount of force that must have been applied is 100 N.

option D is the correct answer.

The amount of force applied to overcome the load is calculated by applying the formula for work done as shown below.

Mathematically, the formula for work done is given as;

W = Fd

where;

If the distance moved by the effort arm is 10 meters, the amount of effort or force applied to overcome the load is calculated as follows;

F = W / d

F = ( 400 J ) / 4 m

F = 100 N

Learn more about applied force here:https://brainly.com/question/14428983

#SPJ1

To obtain the type, orientation, location and magnification of the image, we shall first obtain the location (i.e distance) of the image from the mirror. Details below:

The location i.e distance of the image can be obtained as follow:

1/f = 1/v + 1/u

Rearrange

1/v = 1/f - 1/u

v = (f × u) / (u - f)

v = (12 × 24) / (24 - 12)

v = 288 / 12

v = 24 cm

Thus, the the location of the image is 24 cm

Since the location of the image is positive (i.e 24 cm). Thus,

Now, we shall obtain the magnification of the image. Details below:

Magnification = image distance (v) / object distance (u)

Magnification = 24 / 24

Magnification = 1

Learn more about distance:

https://brainly.com/question/13152512

#SPJ1

Answer:

170 m

Explanation:

force = ma

here a acceleration is unknown

but a = velocity/time = distance/(time)^2

255 = 500*d/(18.3)^2

d = 170 m

The following are the correct matches for the waves in Column A and the wave types in Column B:

A mechanical wave is a wave that requires a medium to travel through. The two types of mechanical waves are transverse waves and longitudinal waves. A transverse wave is a wave in which the particles of the medium move perpendicular to the direction of the wave. A longitudinal wave is a wave in which the particles of the medium move parallel to the direction of the wave.

An electromagnetic wave is a wave that does not require a medium to travel through. Electromagnetic waves are made up of electric and magnetic fields that oscillate perpendicular to each other.

A matter wave is a wave that describes the probability of finding a particle at a given location. Matter waves are associated with all particles, including electrons, protons, and neutrons.

A spring wave is a type of mechanical wave that travels through a spring. The particles of the spring move back and forth along the length of the spring.

Find out more on wave types here: https://brainly.com/question/409407

#SPJ1

308.6 m the maximum height reached.

Define velocity

The main determinant of an object's location and rate of motion is its velocity. It can be explained as the distance an object travels in one measure of time. The displacement of the item in a given amount of time is referred to as velocity.

The distance a person travels in a predetermined amount of time is referred to as speed.

Vi is the starting speed.

Vf is final speed

A=acceleration and Y=displacement

When the bag is freed, its Vi equals that of a balloon traveling at 13 m/s upward.

At the moment of release, choose up as positive y=0.

Vf=0 when it is maximum. Using the equation 2Vf=2Vi+2ay,

0=(13m/s)2+2(9.81m/s2)y, and y=8.6m

300 + 8.6 = 308.6 m is the highest point.

To learn more about velocity use:

https://brainly.com/question/80295?source=archive

#SPJ1

An electrical charge and electrical energy are stored in a capacitor. Typically, capacitors have two electrical conductors that are spaced apart.

(Note that although these electrical conductors are frequently called "electrodes," they are actually "capacitor plates.") A capacitor is referred to as a "vacuum capacitor" if the distance between capacitors is merely a vacuum. However, a dielectric, an insulating substance, is typically used to fill the void. (In the sections on dielectrics later in this chapter, you will learn more about dielectrics.) You will learn more about the capacitance property of capacitors a little bit later in this section. Capacitance is what determines how much storage a capacitor can hold.

Learn more about electrical here-

https://brainly.com/question/866615

#SPJ4

If Vector G and H lie in the xy plane with magnitudes of 45 meters and 66 meters respectively. the cross product of G and H is a vector that has a magnitude of approximately 364.6 square meters and points in the negative z direction.

In this case, since G and H lie in the xy plane, their cross product will be a vector that points in the z direction (perpendicular to the xy plane). To determine the magnitude of this vector, we can use the formula:

|G × H| = |G| |H| sin(θ)

where θ is the angle between the two vectors. Since G and H make angles of 55 degrees and 70 degrees, respectively, with the positive x-axis, the angle between them is 70 - 55 = 15 degrees.

Plugging in the given magnitudes and angle, we get:

|G × H| = (45 m) (66 m) sin(15°) ≈ 364.6 m^2

Therefore, the magnitude of the cross product is approximately 364.6 square meters. To determine the direction, we use the right-hand rule as described above. Since G makes an angle of 55 degrees with the positive x-axis, we can write it as:

G = 45 cos(55°) i + 45 sin(55°) j

Similarly, H can be written as:

H = 66 cos(70°) i + 66 sin(70°) j

Using these expressions and the right-hand rule, we find that the direction of the cross product is in the negative z direction, so the resulting vector is:

G × H = -364.6 k

where k is the unit vector in the positive z direction. Therefore, the cross product of G and H is a vector that has a magnitude of approximately 364.6 square meters and points in the negative z direction.

Learn more about vector product here:https://brainly.com/question/13419484

#SPJ1

The frequency of the photon is:

The speed of the photon is:

The wavelength is calculated below

Answer:

F=w=ma                                                                                                                                                       OR by using equations of motions                                                                               vf=vi-at                    : a=vf-vi/t                                                              eq 1                         s=vit+1/2at squre                                                                                 eq 2                     2as=vf squre - vi squre                                                                        eq 3                                                                                                                                                                                  

Explanation:

where m is the mass of falling body , f is the weight is the force acting down ward , vf is the final velocity, vi is the inetial velocity , t is the time and s is the distance covered by a body.

A physics book slides off a horizontal tabletop with a speed of 1.10 m/s. It strikes the floor in 0.480 s. The height of the tabletop above the floor is 0.264 m.

Given data:

Speed = 1.10 m/s

Time taken to strike the floor = 0.480 s

We are supposed to find the height of the tabletop above the floor in meters.

We can use the formula of distance to calculate the height of the tabletop above the floor.

We also need to make use of kinematic equations to find out the distance fallen by the book.

Let us first calculate the distance fallen by the book.

Let the height of the table be ‘h’.

From the kinematic equations of motion, we know thats = ut + 1/2 at²Here, u = 1.10 m/s, a = acceleration due to gravity = 9.8 m/s², t = 0.480 s

Putting these values in the above equation, we get:s = 1.10 × 0.480 + 1/2 × 9.8 × (0.480)² = 0.264 m

Now, we can find the height of the tabletop using the formula of distance.d = h + sHere, d = distance fallen by the book = h, s = 0.264 m

Putting these values in the above equation, we get: h = d = s = 0.264 m

Therefore, the height of the tabletop above the floor is 0.264 m.

For more such questions on speed, click on:

https://brainly.com/question/13943409

#SPJ8

The car is moving at approximately 12.5 meters per second.

The kinetic energy (KE) of an object can be calculated using the formula:

KE = 1/2 * m * \(v^2\)

where

KE = kinetic energy,

m =Mass of the object, and

v = velocity.

In this case, we are given the mass (m) of the car as 1600 kg and the kinetic energy (KE) as 125,000 J. To find the velocity .

Substituting the  values , we have:

125,000 J = 1/2 * 1600 kg *\(v^2\)

Now, we can solve for v by rearranging the equation:

\(v^2\) = (2 * 125,000 J) / 1600 kg

\(v^2\) = 156.25 \(m^2/s^2\)

Taking the square root, we find:

v = √156.25\(m^2/s^2\)

v ≈ 12.5 m/s

Therefore, the car is moving at approximately 12.5 meters per second.

Know more about   kinetic energy  here:

https://brainly.com/question/8101588

#SPJ8

Answer:

a = 0.273 m/s²

Explanation:

I would assume that the rider starts at 0m/s.

a = average acceleration

v = final velocity = 3 m/s

v0 = initial velocity = 0 m/s

t = time = 11 s

a = (v-v0)/t

a = (3m/s - 0m/s) / 11s

a = 0.273 m/s²

I am not sure how many decimals I should round it to, so I just gave three. If your teacher has instructions on that, do so accordingly.

Answer:

the  acceleration of the Ping Pong ball is  200 m/s²

Explanation:

Given;

mass of  Ping Pong ball, m = 0.0029 g = 2.9 x 10⁻⁶ kg

mass of tennis ball, m = 0.058 g = 5.8 x 10⁻⁵ kg

acceleration of the tennis ball, a = 10 m/s²

The force applied to the tennis ball is calculated as;

F = ma

F = 5.8 x 10⁻⁵ x 10

F =  5.8 x 10⁻⁴ N

The acceleration of the Ping Pong ball is calculated as;

a = F/m

a = ( 5.8 x 10⁻⁴ N) / (2.9 x 10⁻⁶)

a = 200 m/s²

Therefore, the  acceleration of the Ping Pong ball is  200 m/s²

Answer:

a) The frequency of the waves are = 2 Hz (since you are making two pulses every second)

b)The period of the waves is 0.19 m (as the consecutive crests are separated by 0.19 m)

c) V = L x f

v = 0.19 m x 2 S-1 (Hz is actually per second)

v = 0.38 ms-1

pe nis

Answer:

-increased

Explanation:

Answer:

Increased

Explanation:

Agricultural use requires the clearing of forest land for human's needs.

Because oil damages the forest area over time due to pollution, agricultural use does not leads to more damage from forest fires and agricultural use does not harm animal life in forest. Therefore, third option is the correct one.

The total distance is 105 kilometers and the total displacement is 15 kilometers east. Option C

To calculate the total distance, we add the distances traveled in each leg of the journey: 60 kilometers (from A to B) + 45 kilometers (from B back to A) = 105 kilometers.

However, displacement refers to the change in position of an object in a straight line from its starting point to its ending point. In this case, since the boat starts and ends at the same point (A), the total displacement is zero.

Hence The total distance is 105 kilometers and the total displacement is 15 kilometers east.

Read mroe on total distance here https://brainly.com/question/29409777

#SPJ1

Tension in the left cable is 4395.9 N.

Tension is defined as a pulling force that acts along the length of a flexible medium like rope or cables.

Here,

The total mass of the riders is given, m = 330 kg

Let the tension in the left cable be T₁ and that in the right cable be T₂.

From the figure,

T₁ cos 15 = T₂ cos 26

T₁ = T₂ cos 26/cos 15

Also,

T₁ sin15 + T₂ sin 26 = mg

Substituting values,

(T₂ cos 26/cos 15) sin 15 + T₂ sin 26 = 330x 9.8

0.241 T₂ + 0.438 T₂ = 3234

0.679 T₂ = 3234

T₂ = 4762.8 N

Therefore, Tension in the left cable, T₁ = 0.930x 4762.8

         T₁ = 4395.9 N

Hence, The tension in the left cable is 4395.9 N

To learn more about Tension, click:

https://brainly.com/question/13672291

#SPJ9

Your question was incomplete. Attaching the image here.

wave

\(\tt v=\dfrac{\lambda}{T}\\\\T=\dfrac{\lambda}{v}=\dfrac{5004}{450.312}=11.112~s\)

Answer:

86.47 V

Explanation:

It will be multiplied by the ratio of the windings

980/340 * 30 = 86.47 v

Answer:

- 0.33 m/s

Explanation:

An illustration is shown above,

In this case, since the two objects move in opposite directions before collision, then move together, the formula to be used is,

m1u1 - m2u2 = (m1 + m2)v

Where,

m1 = mass of the first object

u1 = initial velocity of the first object

v1 = final velocity of the first object

m2 = mass of the second object

u2 = initial velocity of the second object

v2 = final velocity of the second object

Therefore,

(4.0 • 3.0) - (8.0 • 2.0) = (4.0 + 8.0)v

12 - 16 = 12v

-4 = 12v

Divide both sides by 12,

-4 / 12 = 12v / 12

-1 / 3 = v

v = -0.33 m/s

Please mark brainliest.

Thanks

Answer:

the brain's size-distance mechanism changes its perceived size and makes the moon appear very large.

Explanation:

the moon is changing its apparent position in depth while the light stimulus remains constant

The slope of a line perpendicular to y = 1/8x + 2 is -8.

The equation of a line in point-slope form is y - y1 = m (x - x1), where m is the slope and (x1, y1) is a point on the line.

The point-slope form of a line is given by y - y1 = m (x - x1), where (x1, y1) is a point on the line and m is the slope of the line.

In this equation, y1 and x1 are the coordinates of a point on the line, and m is the slope of the line.

So, given a point on the line, and the slope, you can use this form to write the equation of the line.

So, the equation of the line through point (1, -5) and perpendicular to y = 1/8x + 2 is y + 5 = -8(x - 1) => y = -8x + 13.

To know more about coordinates, visit:

https://brainly.com/question/27749090

#SPJ1