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A person throws a ball straight up. He releases the ball at a height of 1.75 m above the ground and with a velocity of 12.0 m/s. Ignore the effects of air resistance. (a) How long until the ball reaches its highest point? (b) How high above the ground does the ball go?
a string is 33.5 cm long and has a mass per unit length of 5.70 10-4 kgm. what tension must be applied to the string
A garden hose is attached to a water faucet on one end and a spray nozzle on the other end. Find the gauge pressure of the water
What is an adequate way to understand this simultaneously? One has the underlying assumption that matter is saturated and has the merit of being able to come up with an accurate formula for the Binding Energy (the SEMF/Bethe-Weizsäcker formula) and t..
A 200 kg bucket of cement is accelerated upward by a force of 2200 N. the acceleration continues for 5 s. the power needed at the end of this period is
how long would it take a car to return to its starting place if it traveled 180 ms average speed of 90 kmhr and
The impact with the racket gives the ball a constant acceleration over a distance of 47 cm. Illustrate what is the magnitude of the net force acting on the ball?
A 20 kilogram greased pig is at the top of a 3.2 meter high frictionless hill moving with a speed of 6.0 m/s. Determine what is the pig speed when it gets to the bottom of the hill
If you were to drink mercury (13.6g/cm^3) with a straw, what would be the maximum length of the straw
A speeder is pulling directly away and increasing his distance from a police car that is moving at 25 m/s with respect to the ground. Obtain the speeder speed with respect to the ground
The drawing shows a mercury barometer. Consider two barometers, one using mercury and another using an unknown liquid. assume that the pressure above the liquid in each tube is negligible. The height of the unknown liquid is 18.3 times greater tha..
A hill sled moves from the top of a hill at 1m/s. What is the speed of the sled at the bottom of the hill
One mole of nickel (6E23 atoms) has a mass of 54 grams, and its density is 8.9 grams per cubic centimeter. You have a long thin bar of nickel, 2.0 m long, with a square cross section, 0.12 cm on the side.
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