Q 8 please Q8:A ball of mass 0.5 kg is dropped from a height h=2.0 m above theground as shown in the figure. Find the speed of the ball when it is ata height y = 0.6 m above the ground.A. 4.2 m/sB. 5.2 m/sC. 6.1 m/sD. 2.8 m/sQ9:A 6.0 kg block initially at rest is pulled to the right along a horizontal surface by a constanthorizontal force of 12 N. The surfaces in contact have a coefficient of kinetic friction of 0.15.Find the speed of the block after it has moved 4.0 m.A. 1.78 m/sB. 1.46 m/sC. 2.06 m/sD. 2.30 m/sQ10: A block having a mass of 1.0 kg is given an initial velocity VA-1.6 m/s to the right and collideswith a spring whose mass is negligible and whose force constant is 40 N/m as shownAssuming the surface to be frictionless, calculate the maximum compression of the springafter the collision.A. 25 cmB. 22 cmC. 28 cmD. 19 cmQ11: Two blocks are connected by a light string that passes over a frictionless pulley as shown. Theblock of mass m₂ = 1.25 kg lies on a horizontal surface and is connected to a spring of forceconstant 30 N/m. The system is released from rest when the spring is unstretched. The hangingblock of mass m₂ = 0.5 kg falls a distance of 0.10 m before coming to rest. Calculate thecoefficient of kinetic friction between the mass m, and the horizontal surface.A. 0.43B. 0.37C. 0.32D. 0.28Reference

Answered: Image /qna-images/answer/0e61e7bd-55d6-4a2a-858f-6bb17617414a.jpg

Q8: A ball of mass 0.5 kg is dropped from a height h=2.0 m above the ground as shown in the figure. Find the speed of the ball when it is at a height y = 0.6 m above the ground. A. 4.2 m/s B. 5.2 m/s C. 6.1 m/s D. 2.8 m/s

Q8: A ball of mass 0.5 kg is dropped from a height h=2.0 m above the ground as shown in the figure. Find the speed of the ball when it is at a height y = 0.6 m above the ground. A. 4.2 m/s B. 5.2 m/s C. 6.1 m/s D. 2.8 m/s

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Q 8 please

Q8:
A ball of mass 0.5 kg is dropped from a height h=2.0 m above the
ground as shown in the figure. Find the speed of the ball when it is at
a height y = 0.6 m above the ground.
A. 4.2 m/s
B. 5.2 m/s
C. 6.1 m/s
D. 2.8 m/s
Q9:
A 6.0 kg block initially at rest is pulled to the right along a horizontal surface by a constant
horizontal force of 12 N. The surfaces in contact have a coefficient of kinetic friction of 0.15.
Find the speed of the block after it has moved 4.0 m.
A. 1.78 m/s
B. 1.46 m/s
C. 2.06 m/s
D. 2.30 m/s
Q10: A block having a mass of 1.0 kg is given an initial velocity VA-1.6 m/s to the right and collides
with a spring whose mass is negligible and whose force constant is 40 N/m as shown
Assuming the surface to be frictionless, calculate the maximum compression of the spring
after the collision.
A. 25 cm
B. 22 cm
C. 28 cm
D. 19 cm
Q11: Two blocks are connected by a light string that passes over a frictionless pulley as shown. The
block of mass m₂ = 1.25 kg lies on a horizontal surface and is connected to a spring of force
constant 30 N/m. The system is released from rest when the spring is unstretched. The hanging
block of mass m₂ = 0.5 kg falls a distance of 0.10 m before coming to rest. Calculate the
coefficient of kinetic friction between the mass m, and the horizontal surface.
A. 0.43
B. 0.37
C. 0.32
D. 0.28
Reference

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