1. If the mass of the hover puck in the experiment is 600g and the total hanging mass is 200g, how long will the hover puck travel a distance of 50 cm starting from rest? Mass of the hover puck in the experiment (m1) = 600gm Total hanging mass (m2) = 200gm = 0.2kg 24x Acceleration a = = m2g m1+m2 t2 Or, t?m2g=2 x Ax x (m1 + m2) 2xAxx(m1+m2) Or, t = Ax = 50cm = 0.50m m2g 2x0.5x(0.6+0.2) 0.2x9.8 = 0.6388 seconds or 0.64 seconds The hover puck travels a distance of 50cm starting from rest for 0.64 seconds.

1. If the mass of the hover puck in the experiment is 600g and the total hanging mass is 200g, how long will the hover puck travel a distance of 50 cm starting from rest? Mass of the hover puck in the experiment (m1) = 600gm Total hanging mass (m2) = 200gm = 0.2kg 24x Acceleration a = = m2g m1+m2 t2 Or, t?m2g=2 x Ax x (m1 + m2) 2xAxx(m1+m2) Or, t = Ax = 50cm = 0.50m m2g 2x0.5x(0.6+0.2) 0.2x9.8 = 0.6388 seconds or 0.64 seconds The hover puck travels a distance of 50cm starting from rest for 0.64 seconds.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter6: Motion In Two Dimensions

Section6.3: Relative Velocity

Problem 27PP

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Concept explainers

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

What would be the analysis of the given problem?

1. If the mass of the hover puck in the experiment is 600g and the total hanging mass
is 200g, how long will the hover puck travel a distance of 50 cm starting from rest?
Mass of the hover puck in the experiment (m1) = 600gm
Total hanging mass (m2) = 200gm
= 0.2kg
24x
Acceleration a =
= m2g
m1+m2
t2
Or, t?m2g=2 x Ax x (m1 + m2)
2xAxx(m1+m2)
Or, t =
Ax = 50cm = 0.50m
m2g
2x0.5x(0.6+0.2)
0.2x9.8
= 0.6388 seconds or 0.64 seconds
The hover puck travels a distance of 50cm starting from rest for 0.64 seconds.

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