Register
4A ball, initially rolling at 2.0m/s, rolls down a frictionless hill in 6.0s. At the bottom of thehill, the ball has a final velocity of 7.0 m/s. It then rolls on a flat, frictionless surface and falls
173k views
4 votes
4A ball, initially rolling at 2.0m/s, rolls down a frictionless hill in 6.0s. At the bottom of thehill, the ball has a final velocity of 7.0 m/s. It then rolls on a flat, frictionless surface and falls offof an 80m cliff into a lake. Determinea.b.The height of the hill.The speed of impact with the lake

User Alexander Samoylov
by
5.2k points

1 Answer

2 votes

ANSWER:

Explanation:

Given:

Initial velocity (u) = 2 m/s

Final velocity (v) = 7 m/s

Time (t) = 6 s

We can determine the height, using the following formula:


User Salvi Pascual
by
5.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.8m questions

7.5m answers

Other Questions

How does the capacitance of a parallel plate capacitor change with the geometry of the capacitor?
Explaining Wave Speed through Different Media Explain why the speed of light is lower than 3.0 × 108 m/s as it goes through different media.
Indy runs 2 kilometers every morning. She takes 2 minutes for the first 250 meters, 4 minutes for the next 1,000 meters, 1 minute for the next 350 meters, and 3 minutes for the rest. Cindy’s average speed
A space station that does not rotate cannot simulate gravity for its occupants. A)True B)False From within a rotating reference frame, the centrifugal force simulates gravity. A)True B)False On a rotating
Explain why the roller coaster’s potential energy is greater at point 1 than at point 4.
Link Copied!