At what speed does she recoil
A man of 72.8 kg and a woman of 56.4 kg on ice skates stand facing each other. When the woman pushes the man backwards so that his final speed is 1.42 m/s, at what speed does she recoil?
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Assume that a motor drives one spindle at constant angular speed of 0.90 rad/s and the other spindle are free to rotate at any angular speed. Determine the tape's thickness.
A bag comprises of 6 green ones, 2 red marbles, 2 yellows, 1 lavender one, and 2 orange marbles. Determine number of sets of four marbles have one of each color other than lavender?
A baseball of 0.153 kg, thrown with a speed of 38.2 m/s, is hit straight back at the pitcher having a speed of 47.9 m/s. (i) Determine the impulse delivered by the bat to the baseball?
A single 5.9 mF capacitor is joined across the terminals of a 60- Hz voltage source and a current of 2.0 mA is measured on the ac ammeter. Determine the capacitive reactance of the capacitor?
Temperature of 2.0 mol of an ideal diatomic gas is raised by 30degC devoid of the pressure of gas changing. The molecules in the gas rotate however do not oscillate. Determine by how much does the rotational kinetic energy of the gas raise?
Compute the speed of the center of mass when, after beginning from rest, the center of the mass has drop 3 m. The acceleration of gravity is 9.8 m/s^2. Answer must be in units of m/s.
The inductor consists of a reactance of 94 ohms in a 60-Hz ac circuit. At what frequency would be needed to double the reactance?
Find out the minimum work required to push a 950 kg car 360 m up all along a 17.5° incline? Suppose the efficient coefficient of friction retarding the car is 0.30?
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