Ahiker, who weighs 693 n, is strolling through the woods and crosses a small horizontal bridge. the bridge is uniform, weighs 4070 n, and rests on two concrete supports, one on each end. he stops 1/4 of the way along the bridge.
what is the magnitude of the force that a concrete support exerts on the bridge (a) at the near end and (b) at the far end?
Answers: 3
Physics, 22.06.2019 14:00, 6224968918
Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.
Answers: 1
Physics, 22.06.2019 16:00, ggdvj9gggsc
Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.
Answers: 2
Ahiker, who weighs 693 n, is strolling through the woods and crosses a small horizontal bridge. the...
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