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A communications satellite with a mass of 325 kilogram is in a circular orbit about the Earth. The radius of the orbit is 39,900 kilometer as measured from the center of the Earth. Find the weight of the satellite on the surface of the Earth? Find the gravitational force exerted on the satellite by the Earth when it is in orbit?
A 37.6 kg crate rests on a horizontal floor, and a 76.1 kg person is standing on the crate. Determine the magnitude of the normal force
q1. water at a temperature of 85f exhibits which of these physical propertiesa. has no definite shapeb. has no definite
An ambulance with a siren emitting a whine at 1,190 Hz overtakes and passes a cyclist pedaling a bike at 2.1 m/s. How fast is the ambulance moving
Two stationary positive point charges, charge 1 of magnitude 3.50 nC and charge 2 of magnitude 1.50 nC , are separated by a distance of 31.0 cm. What is the speed (Vfinal) of the electron when it is 10.0 cm from charge 1
a grinding wheel is in the form of a uniform solid disk of radius 6.96 cm and mass 2.04 kg. it starts from rest and
A 50.0kg pole vaulter running at 10.0m/s vaults over the bar. Assume that the vaulter's horizontal component of velocity over the bar is 1.0 m/s and disregarding air resistance, how high was the jump.
a 30-m-long rocket train car is traveling from los angeles to newyork at 0.5c when a light at the center of the car
A crate of mass 45.0 kg is being transported on the flatbed of a pickup truck. What is the acceleration of the crate relative to the ground
If two tiny identical spheres attract each other with a force of 4.00nN when they are 28.0cm apart, what is the mass of each sphere
a 220 km long high-voltage transmission line 2.0 cm in diameter carries a steady current of1020a. if the conductor is
A cue stick hits a cue ball with an average force of 23.8 N for a duration of 0.0246 s. how fast is it moving after being struck
When two tuning forks of 146Hz and 161Hz, respectively, are sounded simultaneously, how many beats per second are heard.
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