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At a certain distance from the center of the Earth, a 4.0- object has a weight of 3.0 . If the object is now moved twice as far from the Earth, by what factor does its weight change? Express your answer using two significant figures. By what factor does its initial acceleration change? Express your answer using two significant figures.
even as Jo moves off in the opposite direction at a speed of 1.27m/s. assuming that friction is negligible, find out Al's mass.
A car is driving directly north on the freeway at a speed of 117 km/h and a truck is leaving the freeway driving 76 km/h in a direction that is 40° west of north. What is the velocity of the truck relative to the car?
What will transform in terms of the observable properties of the black hole as this process continues
The potential of a typical storm cloud can be as high as 109 volts. When lightning is produced, a typical lightning strike can produces an electric current of 20,000 amps.
A gas expands while 502 J of energy is added to it as heat. The expanding gas does 422 J of work on its surroundings.
A pendulum clock is accurate on earth, where the period of its pendulum is 1.00 s. what would be the elapsed time shown on the clock
If a capacitance meter applies a charge of 3.0 V across two plates and reads a capacitance of 30 pF, what is the charge on the plates
A rod is 0.5100 m long at 25C. At 225C the rod is loaded with a stress of 2 76 MPa and its length is found to be 0.5358 m, calculate the coefficient of thermal expansion for this material
he sun radiate a power of 3.9 x 10 ^ 26 watt in space . The earth orbits around the sun of radius of 1.5 x 10 ^11 m, What is the intensity of sun light on the noon time at the equation on the winter days
If an amount of heat equal to magnitude of the work done by friction is absorbed by the crate of fruit and the fruit reaches a uniform final temperature, what is its temperature change DeltaT.
The absorption spectrum of an atom consists of the wavelengths 200 nm, 300 nm, and 500 nm. What wavelengths are seen in the atom's emission spectrum?
A suitcase falls out of an airplane which is 400 meters above the ground. What is the time it takes for the suitcase to reach the ground
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