physics

When a 250-kg boulder is acted upon by a net force of 1250 N, its acceleration is a1. When it is acted upon by a net force of 200 N, its acceleration is a2. What is the value of the ratio a1/a2?

1. 👍 0
2. 👎 0
3. 👁 119
1. Since F = m a and remains the same,
a1/a2 = F1/F2

a2 = a1*(F2/F1)

1. 👍 0
2. 👎 0

Similar Questions

1. physics

true or false If a net force acts on an object, the object's speed will change. An object's velocity will change if a net force acts on the object. If two object have the same acceleration, they are under the influence of equal

2. physics

A toy car is given a quick push so that it moves on an inclined ramp. After it is released, it moves up, reaches its highest point and moves back down again. Friction is so small it can be ignored. What net force acts on the car?

3. Physics

1. Two people are pushing a disabled car. One exerts a force of 200 N East, the other a force of 250 N East. What is the net force exerted on the car? 2. Two hockey players strike a puck simultaneously from opposite sides. Red #3

4. Physics

an adult 68 kg cheetah can accelerate from rest to 20.1 m/s (45 mph) in 2.0 s. Assuming constant acceleration, (a) find the net external force causing this acceleration. (b) where does the force come from? that is, what exerts the

1. Physics

1. A horse is harnessed to a sled having a mass of 231 kg, including supplies. The horse must exert a force exceeding 1250 N at an angle of 36.3° (above the horizontal) in order to get the sled moving. Treat the sled as a point

2. physics

A spring scale shows a net force of 0.8 N acting on a 1.5-kg mass. What happens to the acceleration of the object if the net force is decreased to 0.2 N?(1 point) The acceleration increases to four times its original value, or

3. physics

A nonzero net force acts on a moving ball, and the ball comes to a stop. Which statement is correct about the relationship between the net force and the ball's movement? The net force causes a decrease in acceleration because

4. physics

Three objects are released to the ground while the mass and net force of each is recorded. Air resistance is assumed to be negligible. Which statement is correct about all three objects?(1 point) No statements can be made about

1. Physics

A car is driving on a level highway. It is acted upon by the following forces: a downward gravitational force of 12 kN, an upward contact force due to the road of 12 kN, another contact force due to the road of 7 kN directed West,

2. physics

a 65kg person dives into the water from the 10m platform. she comes to a stop 2m below the surface of the water. what net force did the water exert on the swimmer? so for the net force i got -2548N i know: vf^2=vi^2 + 2ad vf^2 = 0

3. Math

13. A catapult launches a boulder with an upward velocity of 148 ft/s. The height of the boulder (h) in feet after t seconds is given by the function h = –16t² + 148t + 30. How long does it take the boulder to reach its maximum

4. calculus help plz

a force of 1250 pounds compresses a spring 5 inches from its natural length. find the work done in compressing the spring 8 additional inches. f=kd 1250=k5 k=250 then what do i do. the answer choices are: a.3250 b.21,125 c.18000