Entries by Hannah Wangui

what pressure does this produce on the air in the pump?

Question A bicycle tire pump has a piston with area 0.35 in2. If a person exerts a force of 21 lb on the piston while inflating a tire, what pressure does this produce on the air in the pump?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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Compute how much kinetic energy was “lost”

Question A 2,900-kg truck runs into the rear of a 1,000-kg car that was stationary. The truck and car are locked together after the collision and move with speed  2 m/s. Compute how much kinetic energy was “lost” in this inelastic collision.   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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Discuss the aspects of energy conservation.

Question At position A, the roller coaster will reach its maximum height, at 10m. Assuming there is no energy loss, write down the total energy (TE), potential energy (PE), and kinetic energy (KE) of the roller coaster at positions A, B, C, and D.  The mass of the roller coaster is 100kg, and acceleration due to gravity […]

 

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The ceiling of an arena is 27 m above the floor

Question The ceiling of an arena is 27 m above the floor. What is the minimum speed that a thrown ball would need to just reach the ceiling?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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