PHS1133 Lab al 2017 Recitation Exercise 10 Equilibrium and Impulse Momentum Theo
ID: 1785650 • Letter: P
Question
PHS1133 Lab al 2017 Recitation Exercise 10 Equilibrium and Impulse Momentum Theorem Score: 10 Name Problem Examples (solved by the instructor) xample 1 a0140 baietall "thrown horizontally with a velocity of219 matsmdi w.th , eontn horuontai force that lests for 1 85 m, which res es-a ery of 170 m/s-the oppot, direeni What was the magnitude of the horiaontal force Student Exercises 1 A ightwight plank is supported at its right end by a rope that car upport a mximum force of 23O0N. What is the greatest distance measured from the pivat, that the center of gravity of an 800 kg piece of heavy machinery can be placed without snapping the rope? A15m 2.0m 10m mark if a mass of S0.0 g is placed at the 90.0om mark, the so 2. A meter stick balances at the 50:0-cm balances at the 61 3-cm mark What is the mass of the meter stick A: 127g RI 1781 89.7 1 3268 E)714 . Asshown n the fewe, i 10.0 mling bar is attached by frictionieu hingeto, eld horuontal by a light rope that makes an angle -49 with the ba The birkundorm and wouhi 665%. what ditance fron, the hing" should . 10.0 mas, be suspended for the tension in the rope to be t77 N7Explanation / Answer
Q1. Baseball.
change of p=m(vf-vi)
impulse = Ft
p= (.140)(37-(-28.9))---->negative becasue it's going the opposite direction
p=9.226
p=impulse
(9.226)=F(0.00185)
F=4.99*10^-3 N
= 4.99 kN
Pls post other questions separately.
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