Physics, 05.09.2021 06:10 claydale1659
Two buses ‘A’ and ‘B’ are moving in the same direction with the velocities 30m/s and 40m/s respectively. Find the relative velocity of the bus ‘A’ with respect to the bus ‘B’. Calculate the relative displacement between them after 4 minutes?
Answers: 3
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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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The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?
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Avector of magnitude 2 cannot be added to a vector of magnitude 3 so that the magnitude of the resultant is a. zero b. 1 c. 3 d. 5 e. 7
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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
Two buses ‘A’ and ‘B’ are moving in the same direction with the velocities 30m/s and 40m/s respectiv...
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