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A rocket is projected upward from the earth's surface (r = RE) with an initial speed v0 that carries it to a distance r = 1.2 RE from the center of the earth. What is the launch speed v0? Assume that air friction can be ignored.
Calculate the gauge pressure of the gas in a container
A 1800 kg car traveling to the right at28 m/s is chasing a second car of the samemass that is traveling to the right at 10 m/s. If the two cars collide and stick together, what is their speed just after the collision
Three forces. one of 40.0 N directed due north, the second of 65.0 N due east and a third of 100 N at 35.0 degrees west of south act on an object of 15.0 kg. What is the object's acceleration?
Calculate the compressor power (kW), on the assumption that the compression process is isentropic. Determine the COP of the system
two identical charged objectsare hanging from 26.8 cm threads from the same point on the cieling. what is the charge on each object
The moon's diameter is 3.48 x 106 m, and its mean distance from the earth is 3.85 x 108 m. The moon is being photographed by a camera whose lens has a focal length of 60.0 mm.
A rock is thrown vertically upward with a speed of 15.0m/s from the roof of a building that is 40.0m above the ground, What is the speed of the rock just before it strikes the ground
The masses of the earth and moon are 5.98*1024 and 7.35*1022 kg, respectively. Identical amounts ofcharge are placed on each body, such that the net force(gravitational plus electrical) on each is zero. What is the magnitude of the charge placed on..
It serves as a .500 Amp full-scale ammeter when a .220 ohm resistor is connected in parallel with it. Find the internal resistance of the galvanometer and the current required to produce full-scale deflection
question1an airplane is flying with a velocity of 82.0 at an angle of 18.0 above horizontal. while the plane is a
Two masses of 4.00 kg each, connected by a string, slide down a ramp making an angle of 45° with the horizontal. The coefficient of kinetic friction between m1 and the ramp is 0.33. The coefficient of kinetic friction between m2 and the ramp is 0...
A horizontal circular platform rotates counterclockwise about its axis at the rate of 0.887 rad/s. You, with a mass of 70.5 kilogram, Estimate the total angular momentum of the system
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