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A cylindrical tank with a large diameter is filled with water to a depth D = 0.310 m. A hole of cross-sectional area A = 7.51 cm2 in the bottom of the tank allows water to drain out.
(a) What is the rate at which water flows out, in cubic meters per second?
(b) At what distance below the bottom of the tank is the cross-sectional area of the stream equal to one-half the area of the hole?
A cat runs along a straight line (the x-axis) from point A to point B to point C. The distance between points A and C is 5.00 m, distance between points B and C is 10.0 m, and the positive direction of x axis points to the right. The time to run f..
An electric field of 120000 N/C points due west at a certain spot. What is the magnitude of force that acts on a charge of -7.8C at this spot.
Two large identical flat metal plates are placed parallel to one another, seperated by a small distance compared to their linear size. One plate is given a charge per unit area 1.80E-5 C/m2 and the other a charge per unit area -1.80E-5 C/m2. Using..
A track athlete running at fast pace had an instantaneous resultant force of 2800 N acting through the heel during heel strike, what were the horizontal and vertical forces acting on the heel
You are driving a car that weighs 1500 kg at 50 km/h, How much force would you need to apply on the wheels of your car through the breaks in order to be able to stop short of hitting the cat
A 0.30 kg softball has a velocity of 12 m/s at an angle of 35° below the horizontal just before making contact with the bat. The ball leaves the bat 2.0 ms later with a vertical velocity of magnitude 10 m/s. What is the magnitude of the average f..
A 42 kg pole vaulter running at 11 m/s vaults over the bar. Her speed while she is above the bar is 0.7 m/s. Avoid air resistance, as well as any energy absorbed by pole, and determine her altitude as she crosses the bar.
An ideal, monatomic gas is allowed to expand quasi-statically and adiabatically, What is the work done by the gas and What is the change in the internal energy of the gas?
A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 49.2 J and a maximum displacement from equilibrium of 0.280 m.
A 38.0 kg child swings in a swing supported by two chains, each 3.04m long. The tension in each chain at the lowest point is 429N. Find out the child's speeds at the lowest point.
The Beretta Model 92S (the standard-issue U.S. army pistol) has a barrel 127 long. The bullets leave this barrel with a muzzle velocity of 334 .What is the acceleration of the bullet while it is in the barrel, assuming it to be constant?
A resistor is connected across the terminals of a 9 V battery, which delivers 1.27E+5 J of energy to the resistor in 8.00 hours
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