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A record is rotating at 33 rpm. The motor is turned off andthe record comes to a stop at constant deceleration in 2.5 min.Determine:
a) The angular deceleration. (rad/sec2)
b) The initial speed at 8.00 cm from the center of therecord. (cm/s)
c) The number of revolutions the record makes before stopping. (rev)
If a certain mass of water falls a distance of 854 m and all the energy is effective in heating the water, what will be the temperature rise of the water
The range of a projectile depends not only on v0 and ?0 but also on the value g of the free-fall acceleration, which varies from place to place. by how much would his record have differed
A car, moving along a straight stretch of high-way, begins toaccelerate at 0.0345 m/s2. It takes the car 70.9 s to cover 1 km.How fast was the car going when it first began to accelerate?
during high jump practice an athlete reached a maximum height of 3.03 m where the time to reach the apex was 0.58 s.
question1to measure static friction coefficient between a 4.34 kg block and a vertical wall the setup shown in drawing
A light plane attains an airspeed of 370 km/h. The pilot sets out for a destination 800 km to the north but discovers that the plane must be headed 10° east of north to fly there directly. What was the j-component of the wind velocity vector
What is the tension in each cable if angle between each and the direction the crate moves is 12°.
Suppose a muon produced as a result of a cosmic ray colliding with a nucleus in the upper atmosphere has a velocity v = 0.9500c. How far would it have traveled as observed on earth
x = 2 + 3t - t^2, Where x is in meters and t is in seconds, Determine At the time is the object at rest
A curve in a road forms part of a horizontal circle. As a car goes around it at constant speed 14.0 m/s, What is the total horizontal force on the driver if the speed on the same curve is 23.7 m/s instead
A 25 kg cannon shell is subjected to a constant acceleration of 1200 g while in the cannon barrel. What force is the burning propellant exerting on the shell
A pendulum is made by tying a 550g ball to a 52.0cm -longstring. To what angle does the pendulum swing on the other side
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