Physics, 25.01.2020 05:31 heyrosaphoto3159
Aroller coaster car rapidly picks up speed as it rolls down a hill. as it starts down the hill, its speed is 4 m/s. but 3 seconds later, at the bottom of the hill, its speed is 22 m/s. what is its average acceleration?
Answers: 2
Physics, 22.06.2019 07:10
Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?
Answers: 2
Physics, 22.06.2019 11:30
In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque
Answers: 1
Aroller coaster car rapidly picks up speed as it rolls down a hill. as it starts down the hill, its...
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