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Two loudspeakers are separated by 1.00 meters and are excited in phase by a 1,200 Hz sine wave. At what points on a line between the speakers will there be constructive inerference? At what points will there be destructive interference?
Two coins rotate on a turntable. Coin B is three times as far from the axis as coin A. The mass of coin A is twice the mass of B. The acceleration of A is A. 3 times that of B B. one third of B C. equal to B D. two-third of B E. three-half of B
a series lr circuit includes a 9.0. v battery a resistance of 0.500 ? and an inductance of 0.800 h. what is the
A luge and its rider, with a total mass of 81 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 30 m/s. If a force slows them to a stop at a constant rate of 3.9 m/s2, (a) what magnitude F is required for the ..
Two college students having the same mass M roll toward each other on roller blades, each moving at the same speed v. What is the combined momentum of the two skaters?
a 1270-kg car travels 1.19 km up an incline at constant velocity. the incline has an angle of 2.19deg with respect to
Consider a volume of 4.8 cubic meters of gas initially at STP (0 degrees C and 1 atm pressure). what is the volume (in cubic meters) of the gas
three forces are applied to a bracket as shown. the directions of the two 30 n forces may vary but the angle between
A 150g copper bowl contains 220 g of water, both at 20.0degrees C. What is theoriginal temperature of the cylinder
Two cylinders each contain 0.20mol of a diatomic gas at 340K and a pressure of 3.0 atm. What is the final temperature of the gas in the cylinder A
A body is released from rest a long way from the centre of theearth. With what velocity will it hit the earth. Describe htevelocity
the electric field 24 cm from a long wire carrying a uniform line charge density is 2.3 knc. what will be the field
A woman of massm=50.1kg sits on the left end of a seesaw-a plank of lengthL=3.99m-pivoted in the middle, Find the normal force exerted by the pivot if the plank has a mass ofmpl=10.2kg
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