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An artificial satellite circles Earth in a circular orbit at a location where the acceleration due to gravity is 9.00 m/s2. Determine the orbital period of the satellite.
____hours
An electron in the beam of a typical television picture tube is accelerated through a potential difference of 20,000 V before it strikes the face of the tube. what is the energy of the electron in electron volts
A horizontal spring-mass system has low friction, spring stiffness 150 N/m, and mass 0.4 kg. What is the maximum speed during the motion
A pitcher throws a 0.140 kg baseball, and it approaches the bat at a speed of 30.0 m/s. The bat does Wnc = 60.0 J of work on the ball in hitting it. determine the speed of the ball after the ball leaves the bat
An astronaut is traveling in a space vehicle that has a speed of 0.515c relative to Earth. The astronaut measures his pulse rate at 69.0 per minute. What pulse rate does the Earth observer measure
The woman walks West for 15 minutes and travels a distance of 0.6 km, she then turns North and walks 0.4 km in 15 minutes. What is the womans average velocity
A 5.00 uF and a 7.00 uF capacitor are connected in series, and this combination is connected across a 48.0V potential difference. Calculate the potential difference across first one
In a Rotor-Ride at a carnival, riders are pressed against the inside wall of a vertical cylinder 2.00 m in radius rotating 1.10 revolutions per second when the floor drops out. What is the speed of a rider in m/s
A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 2.80 s for the ball to reach its maximum height. Find the ball's initial velocity
A nearsighted person wears glasses to correct the problem. How far in cm from the eyes is the person's far point located
One end of a 30 cm long aluminum rod with diameter 2 cm is kept at 460*C while the other end is held in water at 25*C. Find the rate of heat conduction along the rod
A car moving at 36 m/s passes a stationary police car whose siren has a frequency of 500 hz. What is the change in the frequency (in Hz) heard by an observer
A compact 60.00 kg object is attached to one end of a horizontal 40kg uniform steel tube 2.40 m long. What is the distance from the loaded end to the center of gravity of object-tube system?
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