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When a pendulum with a period of 2.00000 s is moved to a new location from one where the acceleration of gravity was 9.80 m/s2, its new period becomes 1.99809 s. By how much does the acceleration of gravity differ at its new location?
m/s2
The hemisphere is placed on its flat surface, with the center directly over a 2.5 mm long line drawn on a sheet of paper. What length of line is seen by someone looking perpendicularly down on the hemisphere?
Suppose a ping-pong ball and a bowling ball are rolling toward you with the same momentum, and you exert the same average force in stopping each of them.
A Na+ ion moves from inside a cell, where the electric potential is -68 mV, to outside the cell, Does its energy increase or decrease
a film of index of refraction of 1.4 and thickness of 1.2*10^-5 m is on a lens with an index of refraction of 1.6. find the path length difference between the two reflected rays
When jumping, a flea reaches a takeoff speed of 1.0m/s over a distance of 0.48mm. how high would he go
The acceleration of a particle is given by ax(t)=? 1.90m/s2 +( 2.90m/s3 )t, Find the initial velocity v0x such that the particle will have the same x-coordinate at time t= 4.04s
A jet airplane is in level flight. The mass of the airplane is m = 8990 kg. What is the magnitude of the lift force acting on the plane
A 2.9cm --diameter parallel-plate capacitor has a 1.6mm spacing. The electric field strength inside the capacitor is 8.0×104 V/m. How much charge is on each plate
The four tires of an automobile are inflated to a gauge pressure of 2.10E+5 Pa. Each tire has an area of 0.0267 m2 in contact with the ground. Find out the weight of the automobile.
a house is heated by 24 kq electric furnace using resistance heating if 9 J are used. How long was the furnace running in an acerage Jan day
The captain of a boat wants to travel directly across a river that flows due east with a speed of 1.00 m/s. Estimate the speed of the boat relative to a person
A certain compact disc player draws a current of 340 mA at 27.0 V. How much power is required to operate the player
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