Calculate the momentum of a 255 kg motorcycle traveling at 25 m/s. 

 

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A rubber ball (5 kg) falls from a height of 50 m and collides elastically with the floor. What is the velocity of the ball just after it rebounds from the floor?

 

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Two clay balls collide and stick. Ball 1 has a mass of 5 kg and an initial velocity of 10 m/s in the positive x direction. Ball 2 has a mass of 10 kg and an initial velocity of 12 m/s in the negative x direction.  What is the final velocity of the combined mass? 

 

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Two clay balls collide and stick. Ball 1 has a mass of 20 kg and an unknown initial velocity. Ball 2 has a mass of 12 kg and an initial velocity of 5 m/s in the negative x direction.  The final combined mass is at rest. What was the initial velocity of ball 1?

 

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Two rubber balls undergo an elastic collision. Ball 1 has a mass of 10 kg and an initial velocity of 5 m/s in the positive x direction. Ball 2 has a mass of 10 kg and is stationary.  What is the final velocity of ball 1, or v1f? 

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A ceiling fan turns at a rate of 56 RPM what is its speed in radians per second?

 

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Calculate the angular momentum of a 280 kg motorcycle traveling at 55 m/s. traveling around a circular curve 1,000 m in radius 

 

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A ceiling fan turns at a rate of 20 RPM. A 1 gram bug hangs on to the end of a 50 cm fan blade. What is the magnitude of the frictional force between the bugâs feet and the blade?  

 

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A wrench 55 cm long is attached to a nut and bolt. You exert a 55 N force on the wrench. What is the maximum torque you can exert under these conditions?

 

 

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A uniform beam of length 20 m and mass 100 kg is supported by pylons on either end. A 200 kg box is centered at 11 m from the right end of the beam. What is the downward force on the left most pylon?

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Status NEW Posted 08 May 2017 06:05 AM My Price 13.00

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