What is the magnitude of the apparent weight
What is the magnitude of the apparent weight of a 83 astronaut 4600 from the center of the Earth's Moon in a space vehicle moving at constant velocity?
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Take the magnitude of free-fall acceleration to be 9.80 . Ignore air resistance.A flea jumps straight up to a maximum height of 0.490 . What is its initial velocity as it leaves the ground?
Two submarines are underwater and approaching each other head-on. Sub A has a speed of 7 m/s and sub B has a speed of 17 m/s. Sub A sends out a 1250 Hz sonar wave that travels at a speed of 1522 m/s. (a) What is the frequency of the sound detected
A motorcycle is traveling up one side of a hill and down the other side. The crest of the hill is a circular arc with a radius of 61.0 m. Determine the maximum speed that the cycle can have while moving over the crest without losing contact with t
At a football game, a stationary spectator is watching the halftime show. A trumpet player in the band is playing a 784-Hz tone while marching directly toward the spectator at a speed of 3.50 m/s. On a day when the speed of sound is 343 m/s, what
Two stationary point charges, charge 1 of magnitude 3.45 nC and charge 2 of magnitude 1.60 nC, are separated by a distance of 41.0 cm. An electron is released from rest at the point midway between the two charges, and it moves along the line conne
Two children ride on the merry-go-round. Child 1 is 2.0 {rm m} from the axis of rotation, and child 2 is 1.5 {rm m} from the axis. If the merry-go-round completes one revolution every 5.2 s, find the angular speed and the linear speed of each chil
During a collision, an 84 kilogram driver of a car moving at 24 meters per second is brought to rest by an inflating air bag in 1.2 seconds. What is the approximate magnitude of the force exerted on the driver by the air bag?
A cardinal (Richmondena cardinalis) of mass 3.90×10-2 and a baseball of mass 0.144 have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of the baseball's momentum?
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