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A satellite is orbiting the Earth at a distance of 3.31RE and with a speed of 3.59 km/s. With what speed would the satellite hit the Earth's surface if somehow it suddenly stopped and fell to Earth? Ignore air resistance.
A 44-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 160 J from 420 J. How high does she rise during this interval? Neglect air resistance.
After solving a difficult physics problem, an excited student throws his book straight up. It leaves his hand at 3.7 m/s from 1.5 m above the ground. How much time does it take until the book hits the floor?
the magnitude of the drag force on a 20.0-kg object is proportional to its speed. the object has a terminal velocity 80
A wheel starts at rest and takes 3.00 s to rotate 37.0 revolutions at which point its angular velocity is 98.0 rad/s. What is the constant angular acceleration of the wheel
In a diffraction experiment, light of 600. nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. find the wavelength of the light from the second source
A 70-kg man and a 55-kg woman holding a 2.50-kg purse on ice skates stand facing each other. What is the woman's recoil speed
The voltage and power ratings of a particular light bulb, which are its normal operating values, are 110 V and 60 W. what is the operating voltage of the bulb
Two round rods, one steel and the other copper, are joined end to end. Each rod is 0.795m long and 1.85cm in diameter. The combination is subjected to a tensile force with magnitude 3950N.
A fuel pump sends gasoline from a car's fuel tank to the engine at a rate of 6.74x10-2 kg/s. find the speed at which gasoline moves through the fuel line
A 12,600-kg railroad car travels alone on a level frictionless track with a constant speed of 15.8 m/s. What will be the car's new speed
two point charges are located close to each other. one charge has a magnitude of 9.5 microc and is located at the
A colonist spaceship is a cylinder 3000m long and has a radius of 300m. How many times does it rotate in an hour if the people feel 'normal gravity' at the edge of the cylinder
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