A cat’s crinkle ball toy of mass 15 g is thrown straight up with an initial speed of 3 m/s . Assume in this problem that air drag is negligible. (a) What is the kinetic energy of the ball as it leaves the hand? (b) How much work is done by the gravitational force during the ball’s rise to its peak? (c) What is the change in the gravitational potential energy of the ball during the rise to its peak? (d) If the gravitational potential energy is taken to be zero at the point where it leaves your hand, what is the gravitational potential energy when it reaches the maximum height? (e) What if the gravitational potential energy is taken to be zero at the maximum height the ball reaches, what would the gravitational potential energy be when it leaves the hand? (f) What is the maximum height the ball reaches? 2) A boy throws a ball of mass 0.25 kg straight upward

A cat’s crinkle ball toy of mass 15 g is thrown straight up with an initial speed of 3 m/s . Assume in this problem that air drag is negligible. (a) What is the kinetic energy of the ball as it leaves the hand? (b) How much work is done by the gravitational force during the ball’s rise to its peak? (c) What is the change in the gravitational potential energy of the ball during the rise to its peak? (d) If the gravitational potential energy is taken to be zero at the point where it leaves your hand, what is the gravitational potential energy when it reaches the maximum height? (e) What if the gravitational potential energy is taken to be zero at the maximum height the ball reaches, what would the gravitational potential energy be when it leaves the hand? (f) What is the maximum height the ball reaches? 2) A boy throws a ball of mass 0.25 kg straight upward

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter3: Energy And Conservation Laws

Section: Chapter Questions

Problem 17Q

See similar textbooks

Similar questions

A Body that weighs W newtons falls from a height of 600mm and strikes a spring whose scale is 7 N/mm. If the maximum compression of the spring is 150mm, what is the value of the weight W?
What momentum does a car of mass 1,490 kg have if it's traveling at 8.6 m/s? Submit your answer in exponential form.
(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) 26. Is it possible for one object to gain mechanical energy from another without touching it? Explain.
(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . A mass m is attached to a spring with spring constant k, as shown in Figure 2.53. The mass is pulled to the right a distance of 0.2 m and released. Rank the following spring-mass combinations according to their oscillation periods from shortest to longest. If any combinations have the same period, give them the same rank. You should assume that there is no friction between the mass and the horizontal surface. (a) k = 0.5 N/m: m 0.25 kg (b) k = 0.5 N/m: m 0.50 kg (c) k = 0.5 N/m; m 1.00 kg (d) k = 1.0 N/m: m 0.25 kg (e) k = 1.0 N/m: m 0.50 kg
The massless spring of a spring gun has a force constant k=12N/cm.k=12N/cm.When the gun is aimed vertically, a 15-g projectile is shot to a height of 5.0 m above the end of the expanded spring. (See below.) How much was the spring compressed initially?
A pitcher claims that he can throw a 0.145 kg baseball with as muchmomentum as a speeding bullet. Assume that a 3.00 g bullet moves at aspeed of 1.5 × 103 m/s.
Can you solve it in a calculus way? I need the answer ASAP. I was given a physics way of answer earlie which is not what I wanted. A spring has a natural length of 15 ft. A force of 300 lb compresses the spring to 12 ft. Find the work donein compressing the spring from 13 cm to 10 ft.
Calculate the velocity (m/s) of a baseball that has a mass of 426. g if it has a kinetic energy of 4,061J.
Calculate the velocity (in m/s) of a 0.345-g object that has Ek = 23.5 J.
What is the spring constant of a spring that needs a force of 6N to be compressed from 0.40m to 0.35m?
Newton's law of universal gravitation is represented by F= G* Mm/ T where F is the gravitational force, M and m are masses, and r is a length. Force has the Sl units kg • m/s?. What are the Sl units of the proportionality constant G? Show the work.
I am driving my 10000.kg car @ 25m/s andapply a force of 3000.N with my brakes for 30. seconds. What is the speed afterI hit the brakes.