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### 38 Cards in this Set

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 to decrease the terminal velocity you need... a low mass more time= less force terminal velocity is... when the force is the same as gravity, when the object stops accelerating. accelerate a toy car- gaining KE. loosing PE EVENTUALLY LOOSES ITS ENERGY, BECAUSE ENERGY IS ALWAYS CONSERVED. a toy car decellerates because of... friction! energy turns into... heat and sound. when the shows were walking on the table horizontaly... it didn't have enough potential to overcome gravity. did work on the bowling ball. work= mgh (mass x acceleration due to gravity x height) no gravitational energy relative to the rope- equalibrum! the bowling ball never went back to its orig. state because of... friction. sabb getting ontop of desk- gained gravitational potential energy. power= work/time force= m x a. work= f x d. PE= F X D = MGH KE= 1/2 MV SQUARED. T= SQUARE ROOT OF 2H/G Similar materials often... create friction. 1 cal= 4,187 J. to decrease the terminal velocity you need... a low mass more time= less force terminal velocity is... when the force is the same as gravity, when the object stops accelerating. accelerate a toy car- gaining KE. loosing PE EVENTUALLY LOOSES ITS ENERGY, BECAUSE ENERGY IS ALWAYS CONSERVED. a toy car decellerates because of... friction! energy turns into... heat and sound. when the shows were walking on the table horizontaly... it didn't have enough potential to overcome gravity. did work on the bowling ball. work= mgh (mass x acceleration due to gravity x height) no gravitational energy relative to the rope- equalibrum! the bowling ball never went back to its orig. state because of... friction. sabb getting ontop of desk- gained gravitational potential energy. power= work/time force= m x a. work= f x d. PE= F X D = MGH KE= 1/2 MV SQUARED. T= SQUARE ROOT OF 2H/G Similar materials often... create friction. 1 cal= 4,187 J.