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Question: An object of mass m is dropped from height h above a planet of mass M and radius R. Find an expression for the object's speed as it hits the ground. Express your answer in terms of the variables m,M,h,R and appropriate constants.
What is the potential difference measured by voltmeter
The magnetic field due to a 2 Amp current flowing in a long, straight wire is 8 μT at a point P, a certain distance away from the wire. Find how far is this point from the center of the wire
An ideal gas expands at a constant total pressure of 2.5 atm from 3.45 L to 6.70 L. Heat then flows out of the gas at constant volume, and the pressure and temperature are allowed to drop until the temperature reaches its original value. Calculate..
A rocket rises vertically, from rest, with an acceleration of3.2 m/s2 until it runs outof fuel at an altitude of 1000 m. How long does it take to reach this point
"For modeling purposes specific distribution assumptions are indispensable if we need precise and sharp results. Results based on bounded moment conditions are naturally imprecise and blunt." Discuss
At the top of Earth's atmosphere, sunlight has an average intensity of 1380 W/m^2. at what rate does the Sun radiate energy
A water-skier, moving at a speed of 9.15 m/s, is being pulled by a tow rope that makes an angle of 37.0° regarding the velocity of the boat (see the Illustrating). The tow rope is parallel to the water. The skier is moving in the similar direction..
A uniform electric field with a magnitude of 450 N/C is directed parallel to the positive x-axis. If the electric potential at x = 3.00 m is 1 000 V, what is the change in potential energy of a particle
The magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 0.545m, Find the magnitude of the magnetic field inside the toroid at the following locations
in a sodium chloride molecule the equilibrium separation of the na and the cl- ions is 0.24 nm. assuming that the ions
A car approaches you at a constant speed, sounding its horn, and you hear a frequency of 76 Hz. What is the frequency o the sound emitted by the horn
What is the acceleration due to gravity + or - uncertainty. What is the precision= ?%
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