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(a) What is the total force and the absolute pressure on the bottom of a swimming pool 22m by 8.5 m whose uniform depth is 2 m?
(b) What will be the pressure against the SIDE of the pool near the bottom? Show all work and formulas for best rating.
A suspicious-looking man runs as fast as he can along a moving sidewalk from one end to the other, taking 4.00 s. find the ratio of the man's running speed to the sidewalk's speed
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 certain orthodontist uses a wire brace to align a patient's crooked tooth as in the figure below, Find the magnitude of the net force exerted by the wire on the crooked tooth
Calculate the speed of block at the instant the dielectric leaves the capacitor assuming it starts at rest and that the voltage across capacitor after the dielectric is removed is measured to be 200 V.
Starting from rest, two skaters "push off" against each other on smooth level ice, where friction is negligible. find the recoil velocity of the man relative to the ice
Two curves on a highway have the same radii. However, one is unbanked and the other is banked at an angle ?. Find the angle of the banked curve
A uniform plank of length 4.3 m and weight 201 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x could a person who weighs 449 N walk on the overhanging part of the p..
A horizontal spring-mass system oscillates on a frictionless table. If the mass is 3.8 kg, the spring constant is 100 N/m, find the maximum extension of the spring
A 33.2 m steel wire and a 25.6 m copper wire both with 1.00 mm diameters, are connected end to end and are stretched to a tension of 120 N. How long does it take the transverse wave to travel the entire length of the two wires.
When a thin slab of semiconducting material is illuminated with monochromatic electromagnetic radiation, Determine the energy gap of the semiconductor
A 210 g, 49 bcm diameter turntable rotates on frictionless bearings at 54 rpm . A 25 g block sits at the center of the turntable. A compressed spring shoots block radically outward along a frictionless groove in the surface of the turntable.
0.100kg stone rests on a frictionless, horizontal surface. A bullet of mass 9.00g , find the magnitude of Daniel's velocity after the collision
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