At A Particular Instant A Moving Body Has A Kinetic Energy Of 326 J And A Momentum Of Magnitude 27 2 Kg M S A What 1 (21.34 KiB) Viewed 27 times
At a particular instant, a moving body has a kinetic energy of 326 J and a momentum of magnitude 27.2 kg . m/s. (a) What is the speed (in m/s) of the body at this instant? m/s (b) What is the mass (in kg) of the body at this instant? kg
A spinning wheel steadily slows from an initial angular velocity of 2.45 rev/s to 0.465 rev/s in 10.8 s. (a) Calculate the wheel's angular acceleration in radians per second squared. rad/s² (b) What angle does it go through during that time? rad
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