You are on the edge of a hill that is 5 m high. You drop a ball with a 2 kg mass of the edge of the hill. It has an initial velocity of 8 m/s. The ball is not rotating. Show all work below when answering the questions.
1) What is the gravitational potential energy of the ball relative to the ground?
2) What is the linear kinetic energy of the ball?
3) What is the total energy of the ball?
4) What will the balls peak velocity be just before it hits the ground?
You are on the edge of a hill that is 5 m high. You drop a ball with a 1 kg mass of the edge of the hill. It has an initial velocity of 5 m/s. The ball is not rotating. Show all work below when answering the questions. 1) What is the gravitational potential energy of the ball relative to the ground? 2) What is the linear kinetic energy of the ball? 3) What is the total energy of...
A 290 g ball is initially at rest has fallen off of a 15 m high cliff. Assume the base of the cliff is where y = 0 m. Calculate the gravitational potential energy. What is the kinetic energy of the ball right before it hits the ground? Calculate the speed of the ball right before it hits the ground.
A child standing at the top edge of a 21.0-m high cliff kicks a soccer ball. The ball’s initial velocity is 13.1 m/s, in a direction 31.2° above the horizontal. Ignore drag for this problem. Provide all answers to 3 SF. (a) State your choices for the speed and direction of the initial velocity, and use them to calculate the horizontal and vertical components of the ball's initial velocity. (b) Calculate the vertical component of the ball's velocity just as...
I need help with problem 39 parts b,c,d
Unit 7. Work and Energy In Class Packet Name: 36. A 2.45 kg rock is dropped from the top of a 15.5 m vertical cliff a. What is the potential energy of the rock relative to the base of the cliff before it is dropped? b. What is the kinetic energy of the rock just before it hits the ground below? c. What is the velocity of the rock at a point...
You are playing a game where you roll a ball up a ramp to try to get the ball to drop into a hole. You roll a 0.60 kg solid ball with a radius of 3.6 cm along a flat surface with a ramp at the end. The ball rolls up the ramp without slipping, and if you’ve successfully aimed your roll, the ball will drop into a hole in the ramp. The setup is shown on the right. At...
1 A ball is dropped from 20.0 ft above the ground. Using energy considerations only, what is the velocity (in ft/s) of the ball just as it hits the ground? Enter answer 2 What is the velocity (in m/s) of a 55.0 kg jogger with a kinetic energy of 1,380.0 J? Enter answer 3. A small sports car and a pickup truck start coasting down a 35.0 m hill together, side by side Assuming no friction, what is the velocity...
7. A ball is thrown vertically downward from the edge of a bridge 24.0 m high with an initial speed of 12.0 m/s. The ball falls all the way down and strikes the water below. Determine the time it takes the ball to strike the water. 3.75 8. A photographer in a helicopter ascending vertically at a constant rate of 1.2 m/s accidentally drops m above the ground. (a) How long will it take the camera to reach the ground?...
1.) AT the top of a 30 m hill is a 5kg mass. It is loaded into a spring cannon. The cannon's spring has a constant k=400 N/m and the spring is compressed 40cm. The mass is initially at rest. Therefore there is no friction. (A.) What was the stored energy in the spring before it was released? (B.) What was the gravitational potential energy of the mass with respect to the bottom of the hill? (C.) What was the...
1. A ping pong ball (ball #1, mass of 2g) is held just above a tennis ball (ball #2, mass of 57g) with their centers vertically aligned. When the balls are released, they fall through a vertical distance of 1.27 meters. a) Prove that each ball is traveling at 5.00 m/s just before it hits the ground. The tennis ball (#2) hits the ground and bounces elastically off of it before the ping pong ball (#1) actually hits #2. Since...
A 75 kg snowboarder slides down a hill that has a vertical drop of 6.0 m and is inclined at 31owith respect to the horizontal. The initial speed of the snowboarder at the top of the hill is 5.0 m/s. The coefficient of kinetic friction between the ramp and the snowboard is 0.20. A) Calculate the acceleration of the snowboarder The acceleration is 3.40 m/s B) Calculate the total work done on the snowboarder C) Using the work-energy theorem, calculate...