, a car deceleraes at 7.00 m/s^2. a. What is the angular acceleration of its 0.280-m-radius tires, assuming they do not slip on  the pavement? b. How many revolutions do the tires make before coming to rest, given their initial  angular velocity is 95.0 rad/s? c. How long does the car take to stop completely? d. What distance does the car travel

A salad spinner accelerates from rest to 4.5 rad/s in 2.5 s. If it continues to accelerate at this rate,  a. What is the angular velocity after 10 s? b. How many revolutions does it make in 10s?

Starting from rest , a wheel with constant angular acceleration spins up to 40 rpm in a time 't'. What is the angular velocity be after ' 3t '? OA. 60 rpm OB. 120 гpm OC. 180 rpm OD. 90 rpm OE. Impossible to determine .

Olympic ice skaters are able to spin at about 5.0 rev/s.   a. What is their angular velocity in radians per second?  b. What is the centripetal acceleration of the skater’s nose if it is 0.120 m from the axis of rotation in m/s2?  c. An exceptional skater named Dick Button was able to spin much faster in the 1950s than anyone since—at about 9 rev/s. What was the centripetal acceleration of the tip of his nose, assuming it is at 0.120 m radius in m/s2?

Nilo.p A baseball bat is swung with an angular velocity of 500°/s and has a radius of 1.2m. What is the linear velocity of the baseball bat?

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A golfer is hitting a shot, the angular velocity of her club is zero at the top of the backswing and 30 rad/s at the bottom of the downswing just before impact with the ball. If the downswing lasts 0.30 s, what is the average angular acceleration of the club during the downswing? A. 100 rad/s^2 B. 10 rad/s^2 C. 100 deg/s^2 D. 30 rad/s^2  pick one answer only this is for biomechanics

A child with mass 42 kg sits on the edge of a merry-go-round at a distance of 3.0 m from its axis of rotation. The merry-go-round accelerates from rest up to 0.40 rev/s in 10 s. a. What is the angular acceleration of the merry-go-round? Express this in radians/second. b. What is the angular velocity at 5 s? c. Calculate the centripetal acceleration and tangential acceleration at 5 s. d. What is the total acceleration at 5 s? e. If the coefficient of static friction between the child and the surface of the merry-go-round is 0.6, does the child fall off before 5 s? Hint: To determine this, calculate the frictional force and force due to the acceleration of the merry-go-round on the child. Compare the two forces to find which is larger than the other, therefore overcomes the other.

A turntable is off and is not spinning. A 0.2 g ant is on the disc and is 5 cm away from the center. The turntable is turned on and 0.6 s later it has an angular speed of 33 rpm. Assume the angular acceleration is constant and determine the following quantities for the ant 0.3 s after the turntable has been turned on. Express all quantities using appropriate mks units. @= V= Enter a number ih units. atan = arad = a = Fnet =

A metal disc in a playground with a mass of 45 kg and a diameter of 4 meters is rotating on its central frictionless axis with an initial angular velocity of 3 rad/s. A child with a mass of 14 kg suddenly jumps unto the disc and stands on the edge. a.What is the new angular velocity of the disc with the kid on it? b. What is the tangential velocity of the kid as he rides the disc?