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A large water tank springs a leak in its side whcih is 10 m above the ground. The spraying water hits the ground a distance 13 m from a point directly underneath the leak.
A) What is the velocity of the water as it leaves the hole in the tank's side?
B) How far above the leak is the water level in the tank?
C) If the hole in the tank's side is 2 cm in diameter, what is the rate at which water is being lost in the water tank in liters/s?
A 800 kg rocket sled can be accelerated at a constant rate from rest to 1300 km/h in 2.4 s. What is the magnitude of the required net force
An 80.0-kg man jumps from a height of 2.50 m onto a platform mounted on springs, What is the man's speed at the instant he depresses the platform 0.120 m
A ball is thrown horizontally from the top of a 75 m building and lands 130 m from the base of the building, What is the vertical component of the velocity just before the ball hits the ground in m/s
The two upper front teeth of a person exert a total force of 30N on a piece of steak. If the biting edge of each tooth measures 10 mm x 1 mm, find out the pressure on the steak.
A gymnast of mass 56.0 {rm kg} hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value 9.81 {rm m/s^2} for the acceleration of gravity.
What is the height h of the CM of the can and contents (d) If x is the height of the remaining soda at any given instant, find out x when com reaches its lowest point.
Two particles with masses 4m and 3m are moving toward each other along the x axis with the same initial speeds vi. Find the final speeds of the particles
Find out how fast a GPS satellite is moving relative to someone on the ground and from that how much slower time runs where it is in orbit relative to someone on the ground.
A boy shoves his stuffed toy zebra down a frictionless chute, starting at a height of 1.67 m above the bottom of the chute and with an initial speed of 1.97 m/s. The toy animal emerges horizontally from the bottom of the chute and continues sliding a..
The rocket moves for 3.00 s along its initial line of motion with an acceleration of 31.0 m/s2. At this time, its engines fail and the rocket proceeds to move as a projectile. Find out the maximum altitude reached by the rocket.
A train is travelling up a 5.0 degree incline at a speed of 2.25m/s when the last car breaks free and begins to coast without friction. a) How long does it take for last car to come to rest momentarily? b) How far did the last car travel before mo..
A 0.347-nm photon collides with a stationary electron. After the collision, the electron moves forward and the photon recoils backwards. Find the momentum of the electron
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