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A person is riding a bicycle, the wheels of a bicycle have an angular velocity of +25.0 rad/s. Then, the brakes are applied. In coming to rest, each wheel makes an angular displacement of +10.5 revolutions.
(a) How much time does it take for the bike to come to rest?
(b) What is the angular acceleration of each wheel?
Your telescope has an objective lens with a focal length of 0.80m . You point the telescope at the moon, What is the angular magnification of the moon
A jet airplane is in level flight. The mass of the airplane is m = 8850 kg. The plane travels at a constant speed around a circular path of radius R = 8.23 miles, What is the magnitude of the lift force acting on the plane
A hot-air balloon consists of a basket, one passenger, and some cargo. Let the total mass be M. Find the upward lift force in terms of the initial total weight Mg
The bugle and the Bach - Trumpet have no keys and thus play only the natural scale (open pipes). If the lowest note you can play on a bugle is D2 (73.42 Hz), what other notes can you play
"As a baseball is being caught, its speed goes from 30 to 0 m/s in about 0.005 s. Its mass is 0.145 kg. What is the baseball's acceleration in m/s2 and in g's
q1. a school bus takes 0.89 h to reach the school from your house. if an average velocity of the bus is 21.1 kmh to the
a plane drops a rubber raft to the survivors of a shipwreck. the plane is flying at a height of 280 meters and a speed
Two 29.0%u2212cm -focal-length converging lenses are placed 14.0cm apart. An object is placed 39.0cm in front of one lens. Where will the final image formed by the second lens be located
q1. a music fan at a swimming pool is listening to a radio on a diving platform. the radio is constant frequency when
An electron moves at a speed of 14000 m/s in a circular path of radius 2.4 cm in a solenoid. Find the strength of the magnetic field inside the solenoid
A simple harmonic oscillator consists of the block of mass 1.90 kg attached to a spring of spring constant 196 N/m. while t = 3.00 s, position and velocity of the block are x = +0.129 m and v = +3.415 m/s.
A thin rod of length 0.75 m and mass 0.35 kg is suspended freely from one end. It is pulled to one side and then allowed to swing like a pendulum, Find the rod's kinetic energy at its lowest position
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