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A radio station broadcasting on a frequency of 106 MHz is received with an astronaut headed toward the station at a speed1.0×107 m/s. To what frequency should the astronaut's radio be tuned?(MHz)
Calculate its average velocity for the entire trip. A horse canters away from its trainer in a straight line, moving 120 m away in 15.0 s. It then turns abruptly and gallops halfway back in 5 s.
A hiker weighing 600N carries a 2.0 kg knapsack up atrail. After 30 minutes, the hiker is 300m higher than thestarting point. how much total work did the hiker do
An AC adapter for a telephone answering machine uses a transformer to reduce the line voltage of 120 V to a voltage of 7.00 V. What is the power drawn from the electric outlet
Volcanoes on the Earth eject rocks at speeds of up to 160 m/s. Consider a 1260 m high volcano that ejects rocks in all directions. What is the maximum height above sea level reached through rocks.
a. how much energy is stored in a 9.60 mh inductor carrying a 1.35 a current?b. how much current would the inductor
If two adjacentnatural frequencies of an organ pipe are determined to be 475 Hzand 575 Hz calculate the frequency and length of the pipe
A parallel plate capacitor has square plates with sides of length 14 cm. The distance between the plates is 2 mm. How much energy is stored in the capacitor now
A car misses a turn, sinks into a shallow lake, coming to rest on its side with the door horizontal and at a depth of 9.3 m. find the force exerted on the inside of the door by the air
Joe is 0.500 m from the right end and weighs 920-N. Given that the scaffold is in rotational and translational equilibrium, what are the forces on each cable.
Some particle accelerators accelerate particles around in circular paths up to speeds very close to the speed of light. Which radius will be advantageous and why?
A 110 kilogram horizontal beam is supported at each end. A 320 kilogram piano rests a quarter of the way from one end. Determine the vertical force on each of the supports
A pump flows 100 gal/min of water. The inlet pressure is 0 psig and the outlet pressure is 20 pisg. How much electricity (kW) is required to power the motor
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