PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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A projectile (mp = 59 g) traveling at v= 525 m/s strikes and becomes embedded in the block (mb = 39 kg), which is initially stationary.
Compute the energy lost during the impact. Express your answer as an absolute value |AE| and as a percentage n of the original system
energy E.
Answers:
|AE| =
n=
i
i
m₂
do
%
A motorcycle and rider have a combined mass of 350kg. The vehicle’s velocity is 100 km/hr. The rider is to go up a hill incline of 10 meters. The wheels each have a mass of 20 kg and a diameter of 500mm. The wheel design consists of 6 spokes with a mass of 0.5 kg for each spoke.
Determine the vehicle’s velocity at the top of the hill, assuming it was a rolling vehicle with engine being turned off.
A projectile is fired with speed 950 m/s and at an angle of 60°. At what height will it reach the choline,
whose equation is estimated per y = 10^-4 x^2 m? Despise air resistance.
y
y = 10-4xm
60°
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