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A device for training astronauts and jet fighter pilots is designed to rotate a trainee in a horizontal circle of radius 12.0 .If the force felt by the trainee on her back is 7.45 times her own weight, how fast is she rotating? Express your answer in . Express your answer (29.6) in rev/s.
How do you figure out a carnot engine cycle problem having temperature range from 4000k to 400k, pressure range from 1atm to 1000atm, max volume = 500 liters.and 20.31 moles of working fluid(monatomic gas). Please show steps.
A 57-kg water skier is being pulled by a nylon tow rope that is attached to a boat. The unstretched length of the rope is 11 m, What is the change in the length of the rope when the skier has an acceleration whose magnitude is 0.90 m/s2
Three capacitors (3.81, 5.89, and 11.3 ?F) are connected in series across a 45.0 V battery. Calculate the voltage across the 3.81 F capacitor?
A fireman d = 59.0 m away from a burning building directs a stream of water from a ground- level fire hose at an angle of ?i = 29.0° above the horizontal, at what speed will the water strike the building
A golf ball is dropped from rest from a height of 9.70 m. It hits the pavement, then bounces back up, rising just 6.00 m before falling back down again. calculate the total amount of time that the ball is in the air
A block with a mass of 2.45kg is pushed up an incline plane that makes an angle of 34.2o with respect to the horizon. How much work did the frictional force do on the block
A solenoid contains 780 coils of very thin wire evenly wrapped over a length of 17.5cm . Each coil is 2.50cm in diameter. what is the magnetic field at its center
A tennis ball of mass 57 g travels with velocity m/s toward a wall. After bouncing off the wall, the tennis ball is observed to be traveling with velocity m/s.
An unknown material has a normal melting/freezing point of -26.3° C, and the liquid phase has a specific heat capacity of 160 J/(kg · C°). What is the latent heat of fusion of the unknown material
Light from an argon laser strikes a diffraction grating that has 5365 grooves per centimeter. The central and first-order principal maxima are separated by 0.488 m on a wall 1.7 m from the grating. Determine the wavelength of the laser light. nm
On a certain planet, a 10 kg rock has a gravitational potential energy of 1,056 J when it is resting on a cliff 12 m above the surface
A ball of circumference 73.6 cm and mass 600 g is forced to the bottom of a swimming pool and then released. After initially accelerating upward, Calculate the buoyant force on the ball
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