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You rev your car's engine to 2900 rpm (rev/min).
Part A: What is the period of the engine? (in seconds)
Part B: What is the frequency of the engine? (in Hz)
Part C: If you change the period of the engine to 0.043 s, howmany rpms is it doing?
A catcher catches a 145 g baseball traveling horizontally at 38.0 m/s. How large an impulse does the ball give to the catcher
A daredevil decides to jump a canyon. Its walls are equally high and 12 m apart. What minimum speed must he have in order to clear the canyon
A sanding disk with rotational inertia I is attached to an electric drill whose motor delivers a torque of magnitude? about the central axis of the disk. what is the magnitude of the angular momentum
An electric car accelerates for 8.0 s by drawing energy from its 345-V battery pack. During this time, Find the minimum horsepower rating of the car
A spacecraft is traveling with a velocity of v0x = 4330 m/s along the +x direction. Two engines are turned on for a time of 728 s. One engine gives the spacecraft an acceleration in the +x direction of ax = 1.74 m/s2.
A spring oscillator is designed with a mass of 0.132 kg. It operates while immersed in a damping fluid, Find the required damping constant for the system
as a 32000 lb airplane takes off the tangential component of the force exerted by its engines is ft45000lb. neglecting
A spring with a spring constant of 100N/s is compressed adistance of 0.1m horizontally. What is the maximum speed attained by the mass
The drawing shows three identical springs hanging from the ceiling
a 50.0-n box is sliding on a rough horizontal floor and the only horizontal force acting on it is friction. you observe
A potential difference is applied between the electrodes in a gas discharge tube. What is the current in the tube
a woman can read the large print in a newspaper only when it is at a distance of 57 cmor more from her eyes.a is she
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