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A small crack occurs at the base of a 13.5 m high dam. The effective crack area through which water leaves is 1.55 10-3 m2.
(a) Ignoring viscous losses, what is the speed of water flowing through the crack?
The femur is a bone in the leg whose minimum cross-sectional area is about 3.60 multiply.gif 10-4 m2. Find the maximum stress that this bone can withstand
A satellite is in orbit about Earth. Its orbital radius is1.99 × 107 meter. Find what is the orbital speed of the satellite in mi/s. 1 mi/s = 1609 m/s
A golfer drives a 0.046kg golf ball from an elevated tee, giving the ball an initial horizontal velocity of 45 m/s. (a) what is the magnitude of the average force exerted by the club on the ball if the contact time for the golf club on the ball du..
Two very long uniform lines of charge are parallel and are separated by 0.240m. Each line of charge has charge per unit length 5.10 C/m. What magnitude of force does one line of charge exert on a 5.00×102 m section of the other line of charge
A daredevil is shot out of cannon at 41.1o to the horizontal with an initial speed of 26.1 m/s. Find at what height above cannon should the net be placed
A diver completes somersaults during a 2.1 sec dive. What was the diver's average angular speed during the dive
Charge is a property of matter and has a unit known as a Coulomb. What instrument is used to measure charge and what is the instrument used to measure current
A satellite of mass320kg is in a circular orbit around the Earth at an altitude equal to the Earth's mean radius. Calculate the gravitational force acting on it
What is the acceleration in m/s of a 0.001kg bullet if the force of recoil gives an acceleration of 4.390 m/s? The gun has mass of 0.20 kg.
Cyclotron's accelerate particles around a circular track during the use of electric and magnetic fields. The TRIUMF is one such cyclotron and is able to accelerate particles to a few percent the speed of light (We'll say 3%).
The longest "string" (a thick metal wire) on a particular piano is 3.0 m long and has a tension of 300.0 N. It vibrates with a fundamental frequency of 27.4 Hz. What is the total mass of the wire
a golfer imparts a speed of 26.7 ms to a ball and it travels the maximum possible distance before landing on the green.
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