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A stone thrown horizontally from a height of 6.22 m hits the ground at a distance of 14.30 m. Calculate the initial speed of the stone. Neglect air resistance. Calculate the speed of the stone as it hits the ground. Neglect air resistance.
The wavelength of a spectral line measured to he lambda on I Earth is found to increase by 50% on a far distant galaxy. What is the speed of the galaxy relative to earth?
A string that is under 47.0N of tension has linear density 5.80g/m. What is the maximum velocity of a particle on the string
A superball with a mass m = 61.6 g is dropped from a height h = 2.24 m. What is the momentum change of the ball during its collision with the floor
A pulley with a radius of 10.0 cm is mounted on an axle that passes through the center of the pulley. calculate the number of revolutions the pulley has made
q1. a weight with a mass of 57 kg is suspended from a point near the right hand end of a uniform boom with a mass of 60
A cat stands on a board of wood in a frozen frictionless pond. The mass of the cat is 4.0 kg, and the mass of the board is 3.0 kg. how far does the cat move in relation to the pond
A cannon fires a cannon ball at 999.16 m/s in a straight line that passes directly over an observer's head. how far is the cannon from the observer
A rock is thrown downward into a well that is 8.90 deep. If the splash is heard 1.20 seconds later, what was the initial speed of the rock? Take the speed of sound in the air to be 343 m/s.
At a steady state, a well-insulated compressor takes in air at 60 degrees Fahrenheit, 14.2 lbf/in^2, Determine the compressor power
A projectile is fired horizontally from a gun that is 48.0 m above flat ground, emerging from the gun with a speed of 280 m/s. How long does the projectile remain in the air
While a hybrid car brakes to come to a stop at a traffic light, describe the energy transfer and materials used to transfer of this energy
Radiation of intensity 1.00 kW/m2 is incident on an area perpendicular to the incoming light. What is the resulting power per unit area now reaching the surface
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