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A woman is 1.6 m tall and has a mass of 53 kg. She moves past anobserver with the direction of the motion parallel to her height. The observer measures her relativistic momentum to have a magnitudeof 2.7 x 1011 kg·m/s. What does the observer measure for her height?
Calculate the terminal velocity for a pollen grain falling through the air using the drag force equation. Assume the pollen grain has a diameter of 7 µm and a density of 0.7 g/cm3
Two people, one of mass 88kg and the other of mass 62kg , sit in a rowboat of mass 68kg. With the boat initially at rest, In what direction will the boat move
throw a tennis ball or baseball for distancea. standing still facing in the direction of the throw.b. standing with the
An ambulance with a siren emitting a whine at 1530 Hz overtakes and passes a cyclist pedaling a bike at 2.55 m/s. How fast is the ambulance moving
The label on a 12.0-V truck battery states that it is rated at 181.0 A·h (ampere-hours). Treat the battery as ideal. How much electric energy can the battery supply
A skateboarder shoots off a ramp with a velocity of 5.7 m/s, directed at an angle of 53° above the horizontal. how far is this point horizontally from the end of the ramp
marsha hits a tennis ball upward from the top of a 90-foot-high cliff with an initial velocity of 16 fts. marsha hit
Dan is gliding on his skateboard at 4.00m/s . He suddenly jumps backward off the skateboard, How fast is Dan going as his feet hit the ground
question1two acrobats each of 60.0 kg launch themselves together from a swing holdings hands. their velocity at launch
q1. a thermos contains 161 cm3 of coffee at 82.0 degc. to cool the coffee you drop two 10.8-g ice cubes into the
a simple harmonic oscillator of amplitude a has a total energy e. a determine the kinetic energy when the position is
When a high-power laser is used in the Earth's atmosphere, the electric field associated with the laser beam can ionize the air, At this maximum intensity, what power can be delivered in a cylindrical beam of diameter6.81mm
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