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A satellite in a circular orbit around the earth with a radius 1.011 times the mean radius of the earth is hit by an incoming meteorite. A large fragment (m = 79 kg) is ejected in the backwards direction so that it is stationary with respect to the earth and falls directly to the ground. Its speed just before it hits the ground is 371 m/s. Find the total work done by gravity on the satellite fragment. RE 6.37 x 103 km; Mass of the earth= ME 5.98 x 10^24 kg.
One mole of an ideal diatomic gas is heated from a temperature of 22 degrees C to a temperature of 95 degrees C. How much heat in joules must be supplied if the volume is kept constant during heating?
The charge on a capacitor increases by 21\mu C when the voltage across it increases from 99V to 119V. What is the capacitance of the capacitor
q1. an engineer needs a resistor with zero overall temperature coefficient of resistance at 20oc. she designs
How various kilograms of nitrogen are boiled away in time of 7.50 h. car that hits a line of water barrels and takes 1.8s to stop.
Light of wavelength 589 nm is incident on a single slit that is 0.720mm wide, and the resulting diffraction pattern is observed on a screen 2.00m away. What is the distance between the two dark fringes on either side of the central bright fringe
Copper pennies weighing 2.5 g have been placed in boiling water at 100 degree Celsius. How many pennies must be added to the water to raise the temperature to 31 degree Celsius
29.0g of copper pellets are removed from a 300?Coven and immediately dropped into 110mL of water at 23.0?C in an insulated cup. What will the new water temperature be
A ball is thrown with a speed of 15 m/s at a 78 degree angle. will it make it over a 10 m wall? How far from the wall does the ball need to be thrown
the official record for the lowest temperature ever recorded on earth was set at Vostok, Antarctica, on July 21, 1983. what is this temperature in degree fahrenheit
An underwater diver sees the sun 58{rm ^circ} above horizontal. How high is the sun above the horizon to a fisherman in the boat above the diver.
A flint glass plate (n = 1.66) rests on the bottom of an aquarium tank. Calculate the apparent thickness of the plate as viewed from above the water
A block is on a plane inclined at 75 degrees with a coefficient of static friction of 0.1. what is the minimum necessary magnitude of the force to keep it stationary
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