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A simple pendulum has a period of 2.40 seconds at a location where g = 9.810 m/s^2. What is the value of g at another place on the earth's surface where this pendulum has a period of 2.42 seconds.
a free electron and a free proton are exactly 1.3 cm apart.a find the magnitude of the acceleration of the proton.
What is the angular velocity in rad/s . What is the least pressure obtained inside the bottle? What will happen when this pressure is reached.
In an organ pipe open at one end and closed at the other, the fundamental frequency emitted is 240 Hz. find the next overtone frequency
You sled down a hill of 45-m vertical height. The combined mass of you and your sled is 130kg. How much work was doen against friction during your decent
a compact disc spins at 2.2 revolutions per second. an ant is walking on the cd and finds that it just begins to slide
find the magnitude of her centripetal acceleration. A small box is held in place against a rough vertical wall by someone pushing on it with the force directed upward at 27{rm ^circ} above the horizontal.
a spacecraft is traveling with a velocity of v0x 6150 ms along the x direction. two engines are turned on for a time
A current of 12.0 mA is maintained in a single circular loop with a circumference of 3.70 m. find the magnitude of the torque exerted by the magnetic field on the loop
A railroad car of mass 2.3 104 kg moving at 3.00 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car, How much kinetic energy is lost in the collision
A large man sits on a four-legged chair with his feet off the floor. The combined mass of the man and chair is 95.0 kg. what pressure does each leg exert on the floor
questiona white billiard ball with mass mw 1.32 kg is moving directly to the right with a speed of v 2.92 ms and
The cyclist speeds up to a cadence of 120 (120 rotations per minute) in a surge lasting 30 seconds. What is the magnitude of angular acceleration of the wheel
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