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Ball 1, with a mass of 140g and traveling at 11.0m/s , collides head on with ball 2, which has a mass of 310g and is initially at rest.
A) What are the final velocities of each ball if the collision is perfectly elastic?
B) What are the final velocities of each ball if the collision is perfectly inelastic?
A sperical source ratiates sound uniformly in all directions. At a distance of 18m, the sound intensity level is 100dB. what power is radiated by this source
a bee that is 3m away from a person produces a buzzing sound that is barely audible (the intensity is the threshold of hearing I0) What is the decible level of 1000 bees
What is the magnitude of the normal force exerted by the car.
A 3.0 m long rigid beam with a mass of 125 kg is supported at each end. An 65 kg student stands 2.0 m from support 1. How much upward force does each support exert on the beam
A 4.00 kg mass is connected by a light cord to a 3.00 kg mass on a smooth surface. The pulley rotates about a frictionless axle and has a moment of inertia of .5 kg m2 and a radius of .30 m.
Find the minimum diameter of an l = 16.3 m long steel wire that will stretch no more than 7.39 mm when a mass of 343 kg is hung on the lower end
find the horizontal distance the ball would travel if the same spring were aimed 32.0 deg from the horizontal.
Find the differential equation and use the initial conditions to determine the constant of integration.
Explain the distinction between reimbursement grants and entitlements. Explain how does this distinction affect the way each type of grant is accounted for?
Find out the maximum height reached by the athlete relative to the trampoline also f ind out the speed of the athlete when she is halfway up to her maximum height
What is the length of the greatest and thinnest string that can be located under a tension of 860 without breaking .
determine the force exerted by the wood on the bullet.
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