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Determine what is the absolute pressure on the bottom of a swimming pool 24 meter by 7.20 meter whose uniform depth is 2.24 meter?
Find the total force on the bottom of that swimming pool?
Find the pressure against the side of the pool near the bottom?
a 9.5-uC charge is at x = 15 cm, y = 5.0 cm and a -3.2-uC charge is at x = 4.4 cm, y = 11 cm. Find the force on the negative charge
A 50 g bullet is fired from a gun into a 10,000 g block of woodsuspended on a string, causing the block to swing upwards 20 cm. what is the initial velocity of the bullet
Since it is a known fact that light transmits energy and that bright lights transmits more energy than dim light, do interference effects violate conservation of energy and why?
An outside loudspeaker (considered a small source) emits soundwaves with a power output of 90 W. Find the intensity level in decibels at that distance
a 5.20 x 102 kg hot-air balloon takes off from rest at the surface of the earth. the nonconservative wind and lift
what is its potential energy relative to the bottom of the shaft? how fast will the payload be traveling when it reaches the bottom of the shaft? convert your answer to mph for a comparison to highway speeds.
bowler uses a 5-kg bowling ball. What is the weight of the bowling ball, What is the momentum of the ball
To avoid a rear-end collision with a slow moving vehicle ahead, you step on the accelerator and increase your angular speed to 13.4 x 10-2 rads/s in a time of 8 s. What is the tangential acceleration of the car
Albert stands on a frictionless turntable, holding a bike wheel. Both Albert and the wheel are initially stationary. find the final angular momentum had by the rest of the system
The desired overall magnification of a compound microscope is 150X. The objective alone produces a lateral magnification of 10.0X. Decide the required focal length of the eyepiece.
The gravitational force exerted on a baseball is 2.25 N down. A pitcher throws the ball horizontally with velocity 15.5 m/s by uniformly accelerating it along a straight horizontal line for a time interval of 154 ms. Through what distance does it ..
You are trying to lose weight by working out on a rowing machine. Each time you pull the rowing bar (which simulates the "oars") toward you, What is the magnitude of the force that you exert on the handle
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