a. A 0.14 kg baseball is hit by a bat. State 1 is just before being hit. State 2 is justafter being hit. What is the impulse that the bat put on the ball to make thischange happen?State 1V₁-10i2j [m/s]2 rad/sb. A 500 kg parade float is towed with a trailer hitch on a horizontal surface withnegligible rolling resistance. The float starts from rest at time=0. The force thatthe trailer hitch applies to the float, F(t), is given by the graph below. What isthe speed and direction of the center of gravity of the float at time=20 sec?Force[N]5000-250MTOT-500 kgR=1mState 210no rolling resistanceR=1m 5 rad/sV2=40i +30j [m/s]1520F(t)time[sec].X

“Since you have posted multiple questions, we will provide the solution only to the first question…

a. A 0.14 kg baseball is hit by a bat. State 1 is just before being hit. State 2 is just after being hit. What is the impulse that the bat put on the ball to make this change happen? State 1 V₁-10i-2j [m/s] State 2 /V₂ V2 = 40i +30j [m/s]

a. A 0.14 kg baseball is hit by a bat. State 1 is just before being hit. State 2 is just after being hit. What is the impulse that the bat put on the ball to make this change happen? State 1 V₁-10i-2j [m/s] State 2 /V₂ V2 = 40i +30j [m/s]

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter8: Momentum And Collisions

Section: Chapter Questions

Problem 55P: A small block of mass m1 = 0.500 kg is released from rest at the top of a frictionless, curve-shaped...

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Question

a. A 0.14 kg baseball is hit by a bat. State 1 is just before being hit. State 2 is just
after being hit. What is the impulse that the bat put on the ball to make this
change happen?
State 1
V₁-10i2j [m/s]
2 rad/s
b. A 500 kg parade float is towed with a trailer hitch on a horizontal surface with
negligible rolling resistance. The float starts from rest at time=0. The force that
the trailer hitch applies to the float, F(t), is given by the graph below. What is
the speed and direction of the center of gravity of the float at time=20 sec?
Force
[N]
500
0
-250
MTOT-500 kg
R=1m
State 2
10
no rolling resistance
R=1m 5 rad/s
V2=40i +30j [m/s]
15
20
F(t)
time
[sec]
.X

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