Physics, 17.03.2020 16:51 andrewjammo
A 9.00-gg bullet is fired horizontally into a 1.20-kgkg wooden block resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.20. The bullet remains embedded in the block, which is observed to slide 0.360 mm along the surface before stopping. What was the initial speed of the bullet?
Answers: 1
Physics, 21.06.2019 16:30
Aball bearing at 220.0 °c is dropped into a cup containing 250.0 g of water at 20.0 °c. the water and ball bearing come to a temperature of 30.0 °c. what is the heat capacity of the ball bearing in j/°c? (hint: how are the algebraic signs of q related for the ball bearing and the water? )
Answers: 1
Physics, 22.06.2019 11:10
Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.
Answers: 3
A 9.00-gg bullet is fired horizontally into a 1.20-kgkg wooden block resting on a horizontal surface...
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