4) An air-hockey puck of mass m spins in a circle without friction around a central hole at constant speed v.The entire string has total length 3h. The horizontal portion of the string has length h, the vertical part ofthe string has length 2h. A block of relative mass 3m hangs from the same string, providing the tensionnecessary to stabilize the spinning puck. What is the speed v of the puck?A)V3gh/2B) Vgh/3C) Vgh/2XD) BghE) V2ghF) ghm2hЗт

Answered: Image /qna-images/answer/70db264a-beb9-474b-b41a-ee9c9ab224e4.jpg

Answered: 4) An air-hockey puck of mass m spins…

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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46. Please help answer this question thank you so much!:))
G = 6.67 ×10 -11 m 3 /kg/s 2 Some people claim that the location of Jupiter can have dramatic consequences on human events on Earth. For comparison to the last problem, what is the force of gravity due to a 100 kg person hugging a 60.0kg ASTR 110 student. Assume the distance between the students is 0.3 meters.
VCM-1 Rommel drives his car straight ahead with a constant speed over a hilltop with circular curvature of radius R. a) Draw the free body diagram for Rommel's car when it is passing the highest point on the hill as shown to the right. b) Apply Fnet ma to Rommel's car for the radial and tangential directions. Use no numbers in these equations. c) Rommel's car has a mass of 1,800kg and is traveling at a constant speed of 15.0m/s. The radius of the hill is R-40.0M. Use your equations from part b) to find the normal force exerted on the car by the road when the car is at the top of the hill. V. R
3. The Earth has a mass of 5.97 X 10²4 kg, and the Moon has a mass of 7.36 × 102 kg. The Moon orbits the Earth at a distance of 384,000 km; that is, the center of the Moon is a distance of 384,000 km from the center of the Earth, as shown below. How far from the center of the Earth is the center of mass of the Earth-Moon system? Earth -5.97-104 kg 384,000 km -7.36 102 kg Moon
3. The Earth has a mass of 5.97 X 10²4 kg, and the Moon has a mass of 7.36 × 102 kg. The Moon orbits the Earth at a distance of 384,000 km; that is, the center of the Moon is a distance of 384,000 km from the center of the Earth, as shown below. How far from the center of the Earth is the center of mass of the Earth-Moon system? Earth -5.97-104 kg 384,000 km -7.36 102 kg Moon
PRINTER VERSION 4 ВАСК NEXT Chapter 13, Problem 079 A certain triple-star system consists of two stars, each of mass m = 4.8×1030 kg, revolving in the same circular orbit of radius r = 3.2x1011 m about a central star of mass M = 6.9x1033 kg (the figure). The two orbiting stars are always at opposite ends of a diameter of the orbit. Calculate the period of revolution of the stars. Number Units the tolerance is +/-2% Click if you would like to Show Work for this question: Open Show Work
88. You are in mission control in Florida, supervising a probe on its way to Mars. The most recent report indicates that the probe will soon need to fire a quick burst of its booster rocket to increase its speed by 5.2 m/s. You know that the spent fuel is ejected at a speed vfuel initial speed of the probe before firing, and that 10% of the probe's inertia is currently fuel. Your main worry is whether enough fuel is left for landing maneuvers. 0. CR = 800 m/s – v, where v, is the Vị -
A stationary 2.17-kg object is struck by a stick. The object experiences a horizontal force given by F = at - bt 2, where t is the time in seconds from the instant the stick first contacts the object. If a = 1,500,000 N/s and b = 20,000,000 N/s?, what is the speed of the object just after it comes away from the stick at t = 2.55 x 103 s? %3D
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Look carefully at the image below. An object with mass m is released from rest at a height R above the ground. The acceleration due to gravity is g. The block slides along the inside of a frictionless circular loop of radius R. ♡ Which one of the following expressions gives the speed of the block at the bottom of the hoop? a) v = mg 2R b) ² = R zero m/s² d) 2² = 2gR e) v = mgR (
You stand on the seat of a chair and then hop off. (a) During the time you are in flight down to the floor, the Earth moves toward you with what acceleration? Model the Earth as a perfectly solid object. (Assume your mass is 50.0 kg.) 8.1939x10^-23 m/s2 Explain your logic. (b) The Earth moves toward you through what distance? (Assume the seat is 49.5 cm high.) 1.3020x10^-23 m

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