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Two bodies oscillate in SHM with the same amplitude (7.90 cm) and frequency but out of phase so that body A always has a lead in phase angle of 60° over body B. Find the displacement of A when the displacement of B is 7.90 cm.
A balloon carrying a basket is descending at a constant velocity of 20.0m/s. At the instant the rock hits the ground, how far is it from the basket
A ball of radius 0.200 m rolls with a constant linear speed of 3.22 m/s along a horizontal table. What is the angular displacement of the ball while the ball is in the air
Mars has an orbital period of 1.881 Earth years, Develop the relation between semimajor axis and inclination for a Mars circular sun-synchronous orbit
At its highest temperature, a space heater has a resistance of 31.5 ? when it is plugged into a wall outlet supplying a peak voltage of 169.7 V sinusoidally at 60 Hz
A rocket that starts at rest with mass M ejects exhaust at a given speed u. What is the mass when its energy is maximum
A 900N crate slides 12m down a ramp that makes an angle of 40 ? with the horizontal. how much thermal energy is created
A 48.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 1.44 102 m/s from the top of a cliff 152 m above level ground, How much work has been done on the projectile by air friction
The orbital speed of a planet about its star is 2.8 104 m/s and its distance from the star is 1.6 1011 m. What is the magnitude of the force exerted by the star on the planet
Coherent light with wavelength 609nm passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3- {rm m} from the slits. The first-order bright fringe is a distance of 4.84 {rm mm} from the center of ..
A charge of 27.0nC is placed in a uniform electric field that is directed vertically upward and that has a magnitude of 4.00×104 N/C. What work is done by the electric force
A bottle has a mass of 35.00 g when empty and 98.44 g when filled with water. When filled with another fluid, the mass is 88.78 g. What is the specific gravity of this other fluid
A 1.5kg- block of ice is initially at a temperature of -7.0C a)If 2.6×10^5J of heat are added to the ice, what is the final temperature of the system? b)Find the amount of ice, if any, that remains.
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