Physics, 05.05.2020 09:57 mstrish71oteauw
A communication satellite is in a circular orbit around Earth. If the speed of the satellite is constant, the force
acting on the satellite
A. is zero.
B. is decreasing.
C. points toward the center of Earth at all times.
D. points in the direction that the satellite is moving.
Answers: 1
Physics, 21.06.2019 17:30
Awheel rotates without friction about a stationary horizontal axis at the center of the wheel. a constant tangential force equal to 82.0 n is applied to the rim of the wheel. the wheel has radius 0.150 m . starting from rest, the wheel has an angular speed of 12.8 rev/s after 3.88 s. what is the moment of inertia of the wheel?
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Physics, 22.06.2019 10:20
Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?
Answers: 1
Physics, 22.06.2019 20:30
Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving
Answers: 2
A communication satellite is in a circular orbit around Earth. If the speed of the satellite is cons...
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