View Policies Current Attempt in Progress A wheel turns through an angle of 188 radians in 8.0 s; and its angular speed at the end of the period is 44 rad/s. If the angular acceleration is constant, what was the angular speed of the wheel at the beginning of the 8.0 s interval? 7.0 rad/s O 23.5 rad/s 32.5 rad/s 3.0 rad/s 9.1 rad/s Save for Later Attempts: 0 of 1 used Submit AnswerRent Attempt in Progress The Earth takes slightly less than one day to complete one rotation about the axis passing through its poles. The actual time is 8.616 5t 104 5. Given this information, what is the angular speed of the Earth about its axis? 0 1.990 x 10'7 rad/s O 6.334 X 10'4 rad/s O 2.321 x 10-6 rad/s O 7.292 x 10'5 rad/s O 9.951 x 10-5 rad/s Current Attempt in Progress top of an 80-m high cliff. The shell strikes the A shell is red with a horizontal velocity in the positive x direction from the mfrom the base of the cliff. The drawing is not to scale. What is the magnitude of the acceleration of the shell just before it strikes the ground? 0 4.0 m/s2 Q 82 m/s2 Question 7 of 10 - 11 5 ... Current Attempt in Progress A force P pulls on a crate of mass m that is in contact with a rough surface. The figure shows the magnitudes and directions of the forces that act on the crate in this situation. Wrepresents the weight of the crate. FN represents the normal force on the crate, and f represents the frictional force. P = 160 N f = 80 N 60 W = 196 N Which statement best describes the motion of the crate? O The crate may be either at rest or moving with constant velocity. The crate must be at rest. The crate may be either at rest or moving with constant acceleration. The crate must be moving with constant velocity. The crate must be moving with constant acceleration.Question 4 of 10