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An irregularly shaped body of mass 1.50 kg is mounted on an axle located 21.0 cm from the center of gravity of the body. The body oscillates as a pendulum with a period of 2.90 s and an amplitude of 0.100 rad. Find the body's moment of inertia about this axis.
Calculate the angular velocity of a clock's second hand. State in rad/s. and Calculate the angular velocity of a clock's minute hand
A stationary spherical conductor with a radius of 2.00 cm has a potential of -257 V on the surface. What is the impact speed of the proton
your car engine just died. your were moving rightward at 25 m/s, but your car slows to a rest in a distance of 120 m. what net average force was exerted on the car
1. For both electricity and heat, the conduction is via electrons, which in a metal are loosely bound, easy flowing, and easy to start moving. 2. Bound electrons do not exist in materials that are good conductors for both heat and electricity.
A mass attached to a spring vibrates 7 times in 22.19 seconds. What is the angular frequency (in radians/second) of the mass
q1. the two parallel plates in the figure below are 2.0 cm apart and the electric field strength between them is 2.1
A 35 mm camera with interchangeable lenses is used to take a picture of a hawk that has a wing span of 1.8 m. What would be the ideal focal length of the lens used
Two long, parallel wires, each with the mass per unit length of 43 g/m, are supported in a horizontal plane by 6-cm long strings. Each wire carries the similar current, I, causing the wires to repel each other so that the angle, θ, between the sup..
A parachutist descending at a speed of 10.0 m/s loses a shoe at an altitude of 30.0 m. (Assume the positive direction is upward.). Explain when does the shoe reach the ground? What is the velocity of the shoe just before it hits the ground?
In a game of football outdoors on a cold day, a player will begin to feel exhausted after using approximately 8.0 × 105 J of internal energy. What is the magnitude of the heat that he has lost
While on a one-hour trip, a small boat travels 32 km north and then travels 45 km east. What is the magnitude of the boat's average velocity for the one-hour trip
Consider a conical pendulum with a bob of mass m = 95.0 kg on a string of length L = 10.0 m that makes an angle of ? = 3.00° with the vertical. Determine the radial acceleration of the bob
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