What is the net torque and angular acceleration
A uniform solid disk with a mass of 24.3 kg and a radius of 0.514 m is free to rotate about a frictionless axle. Forces of 90.0 N and 125 N are applied to the disk. What is the net torque and angular acceleration?
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A model airplane with mass of 0.754 kg is tethered by a wire so that it flies in a circle 29.5 m in radius. The airplane engine provides a net thrust of 0.796 N perpendicular to the tethering wire. Find the torque the net thrust produces about the
When jumping at an angle of 58.0 degrees above the horizontal, some of the tiny critters have reached a maximum height of 58.7 cm above the level ground. (a) What was the takeoff speed for such a leap? (b) What horizontal distance did the froghopp
How much time does it take for the bike to come to rest? (b) What is the anguar acceleration (in rad/s2) of each wheel?
A 5.0 kg box moving at 4.0 m/s on a horizontal, frictionless surface runs into a light spring of force constant 65 N/cm. Use the work-energy theorem to find the maximum compression of the spring.
A jetliner is moving at a speed of 258 m/s. The vertical component of the plane's velocity is 85.8 m/s. Determine the magnitude of the horizontal component of the plane's velocity.
The speakers are now placed side by side. If the wire to speaker 1 is passed through a box that delays the signal by 1.68 ms, what is the new phase difference?
Find the excitation energy, in Joules, from the ground level to the third excited level for an electron confined to a box that has a width of 0.122. The electron makes a transition from the n=1 to n=4 level by absorbing a photon. Calculate the wa
what are the (a) magnitude and (b) direction of the displacement, the (c) magnitude and (d) direction of the average velocity, and the (e) magnitude and (f) direction of the average acceleration?
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