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A 561 kg satellite is in a circular orbit about the Earth at a height above the Earth equal to the Earth's mean radius.
(a) Find the satellite's orbital speed.
m/s
(b) Find the period of its revolution.
h
(c) Find the gravitational force acting on it.
N
During 5 successive 0.93 min intervals, a runner moves at the following constant speeds: 0.424 km/min, 0.224 km/min, 0.160 km/min, 0.160 km/min
The vertical displacement of particles in a string (when a wave is propagating through it) is given by y = (0.02) sin[(10?)t %u2013 (8?)x], What is the amplitude, wavelength, and speed of the wave
Two parallel plates carry uniform charge densities –0.65 and +0.65. Find the magnitude of the electric field between the plates. Find the magnitude of the acceleration of an electron between these plates.
Evaluate the magnitude and direction of the friction force (assumed constant) that acts on the bullet.
An electron is accelerated to a speed where its total energy is 209 times larger than its rest energy. What is the speed of the electron in terms of the speed of light
A 3.5 m long horizontal rod has two forces applied to it. One on the far left corner with a force of 4N at 60 degrees downward, Determine the magnitude and direction of the force in the pin
After crossing the finish line, the marathon runner stops, and then performs a celebratory vertical jump. what was the avg. force of the vertical ground reaction force
A uniform disk of radius 0.459 m and unknown mass is constrained to rotate about a perpendicular axis through its center. Find the mass of the disk
Two 8.0mm×8.0mm electrodes with a0.10-mm-thick sheet of Mylar between them are attached to a 9.0V battery. What is the charge before and after the Mylar is withdrawn
Two loudspeakers emit 500Hz notes. One speaker sits on the ground. The other speaker is in the back of a pickup truck, What is the truck's speed
When any radioactive dating method is used, experimental error in the measurement of the sample's activity leads to error in the estimated age. find the age of the fossils
A steady current 1.5 amps flows in a wire out of the page. A small +4 uc point charge is 5 can away from wire, What is the magnetic force acting in the charge
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