Physics, 22.03.2020 02:47 Bashirar19
A toy cannon tosses a rubber ball straight upward. A motion sensor measures the speed of the ball as it leaves the cannon. Using the conservation kinetic and gravitational potential energy, what can this information be used to calculate the mass
Answers: 2
Physics, 21.06.2019 16:40
What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k
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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
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Physics, 22.06.2019 11:30
Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?
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 toy cannon tosses a rubber ball straight upward. A motion sensor measures the speed of the ball as...
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