A student is standing on a bridge which is 11 feet above the water, and a small boat passes underneath, travelling perpendicular to the bridge at a rate of 16 feet per second. At what rate is the distance between the student's feet and the rear of the boat (at the water level) changing, 2 seconds after the boat passes under the bridge? Answer with an exact value and also rounded to 2 decimal places.
Answers: 3
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Acricket ball of 70g moving with a velocity of 0.5 m/s is stopped by a player in 0.5s what is the force applied to stop the ball
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Acoil formed by wrapping 80 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 28.0° with the direction of the field. when the magnetic field is increased uniformly from 200 µt to 600 µt in 0.400 as, an emf of magnitude 80.0 mv is induced in the coil. what is the total length of the wire?
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Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers
Answers: 1
A student is standing on a bridge which is 11 feet above the water, and a small boat passes undernea...
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