College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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The speed of the object is 2 rn/s. Calculate the mass of the object when its momentum is
12 kg•m/s.
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- Suppose a toy truck with a mass of m = 1 kg is moving with a speed of v = 1 m/s. What is the magnitude (in kg • m/s) of its momentum, p?arrow_forwardif the velocity of the water is 2 m/s, the equivalent energy/mass of water due to velocity is approximately: A: 1 J/kg B: 2 J/kg C: 10 J/kg D: 20 J/kgarrow_forwardIt is generally a good idea to gain an understanding of the size of units. Consider each object and calculate the magnitude of their momentum in SI units. A ladybug with mass 32.90 milligrams flies by your head at 4.53 km/h. magnitude of the momentum: A 30.70 km boy walks at 4.27 km/h. magnitude of the momentum: A car with mass 997 kg is moving at a speed of 40.1 km/h. magnitude of the momentum: Based on the previous results, which scenario likely describes an object possessing 1 kg-m/s? a mosquito flying through a swamp a cat walking down a sidewalk a beetle walking across a jungle floor a tiger running after prey an elephant running across a field kg-m/s kg-m/s kg-m/sarrow_forward
- particle of mass m = 5 kg has total energy (rest energy and kinetic energy) of √10mc². What is the momentum of the particle? Give answer in units of kg. m/sarrow_forwardThe equation a = Fnet / m is valid in any dimension. That is, a = Fnet / m implies ax = Fnet x / m and ay = Fnet y / m. Similarly, the law of conservation of momentum is valid in any dimension. pA0 + pB0 = pA + pB implies pA0x + pB0x = pAx + pBx and pA0y + pB0y = pAy + pBy.Standard cue balls have masses of 170 grams, while numbered billiard balls have masses of only 160 grams. A cue ball traveling at 9.65 meters per second and 0.0 degrees strikes the nine ball at rest. After the collision, the cue ball travels at 3.95 meters per second and 60.7 degrees. What is the velocity of the nine ball after the collision? Include units in your answers.arrow_forwardHow much force does would be needed to cause a 17 kg• m/s change in the momentum of an object of the force acted for 5 s?arrow_forward
- Suppose a toy truck with a mass of m = 1 kg is moving with a speed of v = 1 m/s. What is the magnitude (in kg · m/s) of its momentum, p? _______________ kg · m/s Now suppose a 2 kg toy truck is moving at 1 m/s. What is the magnitude (in kg · m/s) of its momentum? _________________ kg · m/s Finally, consider a 1 kg toy truck at 2 m/s. What is the magnitude (in kg · m/s) of its momentum? _____________ kg · m/sarrow_forwardWhat is the momentum of a 740 kg sports car traveling down the road at a speed of 30 m/s? kg•m/sarrow_forwardWhen an object's speed doubles, its momentum changes by a factor of _____, and its kinetic energy changes by a factor of ______ .arrow_forward
- An object has a kinetic energy of 310 J and a momentum of magnitude 28.1 kg · m/s. (a) Find the speed of the object.(b) Find the mass of the object.arrow_forwardAn object is traveling such that it has a momentum of magnitude 22.2 kg · m/s and a kinetic energy of 242 J. Determine the following. (a) speed of the object in meters per second m/s (b) mass of the object in kilograms kgarrow_forwardA 3.99 µg particle moves at 1.81 x 108 m/s. What is its momentum p? p= || = kg.m/sarrow_forward
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