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Two people carry a heavy electric motor by placing it on a light board 2.05m long. One person lifts at one end with a force of 405N , and the other lifts at the opposite end with a force of 605N.
A. What is the weight of the motor?
B. Where along the board is its center of gravity located?
_____m
Oasis B is located 25 km east from oasis A. A camel starts from oasis A and travels 19.6 km in the direction 14.7 degrees south of east. Then it walks 8 km directly to the north. How far is the camel from oasis B?
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Estimate the time the ball is in contact with the floor to be 0.06 seconds. Compute the average force the floor exerts on the ball.
A ship at sea has its radio transmitting antenna at a 10 m height above the surface of the water. how far from the cliff must the ship be
A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 34.0 dB. What is the intensity delivered to the eardrum
if the magnitude of the force between two identical 100. microcoulomb negative charges is 9N. How far apart are the charges
Evaluate maximum altitude?
What is the amplitude of the oscillations . Could you think of a simple method for determining the focal length of a converging lens.
A rocket is fired straight upward from rest with an acceleratrion of 5 m/s^2. It maintains acceleration until it is 1300 m above the ground, What is the Rocket's velocity, Find the total amound of time the rocket is in the air
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