Physics, 05.10.2019 03:10 anthony4034

7. a roller coaster’s velocity at the top of a hill is 10 m/s. two seconds later it reaches the bottom ofthe hill with a velocity of 26 m/s. what was the acceleration of the coaster? 8. a roller coaster is moving at 25 m/s at the bottom of a hill. three seconds later it reaches the top ofthe hill moving at 10 m/s. what was the acceleration of the coaster? 9. a car traveling at 15 m/s starts to decelerate steadily. it comes to a complete stop in 10 seconds. what is it’s acceleration? 10. a child drops a ball from a window. the ball strikes the ground in 3.0 seconds. what is thevelocity of the ball the instant before it hits the ground?

Answers: 1

Show answers

Another question on Physics

Physics, 22.06.2019 10:30

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.

Answers: 3

Answer

Physics, 22.06.2019 14:30

Lightning is an example of what phenomenon? a release of a large amount of energyan absorption of a large amount of energya natural electric circuita natural electric current

Answers: 1

Answer

Physics, 22.06.2019 15:00

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?

Answers: 2

Answer

Physics, 23.06.2019 02:00

Urgent i will give brainliest farmer dantzler brings her prize pig, penny, to the annual country fair. if the mass of the pig is 140 kg, what is the weight? (what are you solving for? what is your formula? what unit do you use to represent weight? you can do it! ) your a.14 g b.140 n c. 1400 kg d. 1372 n show me how to work it too

Answers: 3

Answer

You know the right answer?

7. a roller coaster’s velocity at the top of a hill is 10 m/s. two seconds later it reaches the bott...

Questions