Physics, 18.11.2019 23:31 wyattjefferds05

3. a 2kg wooden block whose initial speed is 3 m/s slides on a smooth floor for 2 meters before it comes to a
stop.
a. find the coefficient of friction?
b. how much force would be needed to keep the block moving at a constant speed across the floor?

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 15:00, deonnaturner68p7hz7y

What sort of waves exhibit the doppler effect?

Answers: 1

continue

Physics, 22.06.2019 16:40, blonk

An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?

Answers: 3

continue

Physics, 22.06.2019 17:30, Kimb6863

Chameleons catch insects with their tongues, which they can rapidly extend to great lengths. in a typical strike, the chameleon's tongue accelerates at a remarkable 220 m/s2 for 20 ms, then travels at constant speed for another 30 ms.

Answers: 1

continue

Physics, 22.06.2019 19:30, isiahb123

A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.

Answers: 1

continue

You know the right answer?

3. a 2kg wooden block whose initial speed is 3 m/s slides on a smooth floor for 2 meters before it c...