Physics, 05.05.2020 21:45 hdamelis30
A canoe floats in a lake. Inside the canoe is a 25 kg steel solid ball. If the ball is thrown into the lake, does the level of the lake go up, go down or remain the same? You will do a calculation using the 3.0 cm diameter ball bearing to simulate the situation. And you will answer whether the level in the lake changes when the 25 kg steel ball is thrown from the canoe into the water.
Answers: 2
Physics, 21.06.2019 21:20
Abearing is designed to a reduce friction b. support a load c.guide moving parts such as wheels, shafts and pivots d. all of the above
Answers: 3
Physics, 22.06.2019 20:30
Aball is thrown from the top of a building with an initial velocity of 21.9 m/s straight upward, at an initial height of 51.6 m above the ground. the ball just misses the edge of the roof on its way down, as shown in the figure. (a) determine the time needed for the ball to reach its maximum height. (b) determine the maximum height. (c) determine the time needed for the ball to return to the height from which it was thrown, and the velocity of the ball at that instant. (d) determine the time needed for the ball to reach the ground. (e) determine the velocity and position of the ball at t = 5.35 s.
Answers: 1
A canoe floats in a lake. Inside the canoe is a 25 kg steel solid ball. If the ball is thrown into t...
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