Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 5, Problem 89P
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To Find:The velocity of the roller-coaster car.
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Four of your PHSE 212 classmates, Henco, Elana, California, and Maloma, were studying for the SU 2 eFundi test when they came across the following
question in the Physics textbook, which stated that: Two identical stones attached to cords are being whirled on a tabletop at the same speed as show
in the drawing below. The radius of the larger circle is twice that of the smaller circle. How is the tension T, in the longer cord related to the tension T2
in the shorter cord? In response to the question, Henco stated that T, = 2T, Elana stated that T = ½ T,, California stated that T, = 4T,, and Maloma
stated that T1= T2.
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At Ted's request, Bill pushes the pizza box across the granite countertop
towards Ted. When the box leaves Bill's hand it is sliding at 2.60 m/s. The box
comes to rest over a distance of 110 cm.
What is the coefficient of kinetic friction, uk, between the pizza box and the
countertop? (Ignore air drag.)
Chapter 5 Solutions
Physics for Scientists and Engineers
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- A 3.00 kg box that is several hundred meters above theearth’s surface is suspended from the end of a short vertical rope of negligiblemass. A time-dependent upward force is applied to the upper endof the rope and results in a tension in the rope of T1t2 = (36.0 N/s)t.The box is at rest at t = 0. The only forces on the box are the tension inthe rope and gravity. What is the maximum distance that the box descends below its initial position?arrow_forwardA block is on a frictionless table, on earth. The block accelerates at 5.0 m/s² when a 10N horizontal force is applied to it. The block and table are set up on the Moon where the acceleration due to gravity is 1.62 m/s?. A horizontal force of 6.4 N is now applied to the block when it is on the Moon. The acceleration imparted to the block by this force is closest to O 2.9 m/s². O 3.2 m/s?. O 3.4 m/s?. O 2.4 m/s?. O 2.7 m/s?.arrow_forwardA 3.00 kg box that is several hundred meters above theearth’s surface is suspended from the end of a short vertical rope of negligiblemass. A time-dependent upward force is applied to the upper endof the rope and results in a tension in the rope of T1t2 = (36.0 N/s)t.The box is at rest at t = 0. The only forces on the box are the tension inthe rope and gravity. What is the velocity of the box at (i) t = 1.00 s and (ii) t = 3.00 s?arrow_forward
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