after the car leaves the platform, gravity causes it to accelerate downward at a rate of 9.8 m/s2. what is the gravitational force on the car?

List four landforms created by wave erosion?

1. third law Every applied force is opposed by an equal force. 2. second law A force must be applied to change an object's velocity. 3. first law Acceleration is affected by mass.

How would life on earth be different if earth's axis were not tilted with respect to its orbit? A. There would be no seasons. B. There would be no day and night. C. All places would have the same climate. D. The seasons would be much shorter.

Ben placed four different solutions in beakers. He forgot to label the beakers. Which describes what he should do to ensure proper laboratory safety? He should smell each of the solutions. He should ask his teacher to identify them by taste.

A child is sledding. He starts at the top of the hill with a velocity of zero, and 3 seconds later he is speeding down the hill at 12 meters per second. What is the child's acceleration?

Bob is pushing a lawn mower up a hill with the mower tilting slightly to the right. suppose that we wish to use vectors to determine the total force acting on the mower. what forces should be considered?

What is your acceleration? 1) 4 m/s 2) 5 m/s 3) 3 m/s 4) 2 m/s

If the mass of a material is 46 grams and the volume of the material is 7 cm^3, what would the density of the material be?

Two balls have the same mass. One ball moving along the positive x axis and the other ball moving along the positive y axis undergo perfectly inelastic collision. What can you say about the motion of the balls after the collision? A.

The back wall of an auditorium is 30.0 m from the stage. If you are seated in the middle row, how much time elapses between a sound from the stage reaching your ear directly and the same sound reaching your ear after reflecting from the back wall?