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A jet is circling an airport control tower at a distance of 18.0 kilometer. An observer in the tower watches the jet cross in front of the moon. As seen from the tower, the moon subtends an angle of 9.04 x 10-3 radians. Obtain the distance traveled by the jet as the observer watches the nose of the jet cross from one side of the moon to the other.
A 750 air-track glider attached to a spring with spring constant 10.5 is sitting at rest on a frictionless air track. What is the amplitude of the subsequent oscillations
given three resistors r1 2 ohms r23 ohms and r3 4 ohms. how many combinations of equivalent resistance can you have.
When an automobile moves by constant speed down a highway, most of the power developed by the engine is utilized to compensate for the mechanical energy loss due to frictional forces exerted on the car with the air and the road.
an empty rubber balloon has a mass of 0.0115 kg. the balloon is filled with helium at a density of 0.181 kgm3. at this
How fast in kilometres per hour, should a sound source be moving toward you to make the observed frequency 5.0% greater than the true frequency? (Suppose that the speed of sound is 340 m/s.)
A 800 kg car pushes a 2000 kg truck that has a dead battery. What is the magnitude of the force of the truck on the car
electronic devices are usually enclosed in metal boxes, onefunction of the box is to shield the inside components fromexternal electric fields. how does this shielding work
place the metals in order of least to greatest weight for a 10cm long structural part which must be able to support a
The planet Saturn has a satellite, Titan which travels in anorbit of radius 1.22E9m with a period of 15.95 days. Calculate the mass of saturn from this information
A solenoid that is 102 cm long has a cross-sectional area of 16.3 cm2. There are 980 turns of wire carrying a current of 9.08 A. Find the total energy in joules stored in the magnetic field there
A conducting rod slides down between two frictionless vertical copper tracks at a constant speed of 4.0 m/s perpendicular to a 0.50-T magnetic field, What is the mass of the rod?
Stuck in the middle of a frozen pond with only your physics book, you decide to put physics in action and throw the 3.75-kg book. how fast do you then slide across the ice
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