You drop a 49-g ball from a height of 2.8 m and it only bounces back to a height of 1.5 m. What was the total impulse on the ball when it hit the foor? (Ignore air resistance.) (Your answer must be in units of kg.m /s and include 3 digit after the decimal point. Maximum of 5% of error is accepted in your answer. Take g=9.8 m /s 2.)

You drop a 49-g ball from a height of 2.8 m and it only bounces back to a height of 1.5 m. What was the total impulse on the ball when it hit the foor? (Ignore air resistance.) (Your answer must be in units of kg.m /s and include 3 digit after the decimal point. Maximum of 5% of error is accepted in your answer. Take g=9.8 m /s 2.)

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter9: Linear Momentum And Collisions

Section: Chapter Questions

Problem 92AP: A car crashes into a large tree that does not move. The car goes from 30 m/s to 0 in 1.3 m. (a) What...

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A car crashes into a large tree that does not move. The car goes from 30 m/s to 0 in 1.3 m. (a) What impulse is applied to the driver by the seatbelt, assuming he follows the same motion as the car? (b) What is the average force applied to the driver by the seatbelt?
A 500 [g] object underwent a collision that took place over the time period from 1 to 4 sec. The force from the collision is given by the following: F = 2*t + 2 where F is in Newtons and t is in seconds. What is the impulse experienced by the object during the collision?
A basketball of mass 1.25 kg travelling with an initial speed of 8 m/sec bounces off of a backboard and comes back in the opposite direction with a speed of 7 m/sec. The ball is in contact with the backboard for 0.1 sec. (a) What is the impulse on the ball? (b) What is the force exerted on the ball?
A 3 kg particle is traveling at 5 [m/s]. An impulse acts on the particle via a force of 13(1-cos(2nt/1.1)) [N] which acts in the same direction as the motion for 1.1 seconds. What is the impulse acting on the particle? [Ns] (Hint, draw a figure of the force and consider the area represented by the integral) What is the speed of the particle after the impact [m/s]. What is the impulse delivered to the object between t-0s and t-0.825s [Ns].
WITH FBD FORMULA GIVEN AND THE REQUIREMENTS TO SOLVE
A ball of mass 0.500 kg with speed 15.0 m/s collides with a wall and bounces back with a speed of 10.5 m/s. If the motion is in a straight line, calculate the initial and final momenta and the impulse. If the wall exerted a average force of 1000 N on the ball, how long did the collision last?
A 0.09-kg toy car is initially moving at 1.8 m/s. Since the battery is losing power, the toy car has slowed down to 0.5 m/s. Calculate the impulse of the toy car. Input the numerical value only; do not include the units. (Please express the final answer without rounding off)
A particle with a mass of 285.00 kg is acted on by a force Fx acting in the x-direction. If the magnitude of the force varies in time as shown in the figure above, determine the following. (a)Calculate the impulse of the force (in kg · m/s). ______ kg · m/s (b)Calculate the final velocity of the particle (in m/s) if it is initially at rest. ______ m/s (c)Calculate the final velocity of the particle (in m/s) if it is initially moving along the x-axis with a velocity of −2.00 m/s. ______ m/s
You drop a 19 g ball from a height of 1.6 m and it only bounces back to a height of 0.60 m. What was the total impulse on the ball when it hit the floor? (Ignore air resistance). Express your answer to two significant figures and include the appropriate units.
Provide the missing value: a.) A 30 kg mass moves a long with an initial velocity of 5 m/s. A force of 80 N is applied to it for 4 seconds. What is its final velocity? b.) A shuttlecock with a mass of 5.5 g and initial velocity of 0 m/s is subjected to an impulse that causes it to fly off with a velocity of 100 m/s. If the badminton racket was in contact with the shuttlecock for 5 x 10-2 seconds, what was the average net force that acted on the shuttlecock?
When spiking a volleyball, a player changes the velocity of the ball from 4.2 m/s to -24 m/s; along a certain direction. If the impulse delivered to the ball by the player is -9.3 kg.m/s, what is the mass of the volleyball?
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