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A man observes snow falling vertically when he is at rest, but when he runs through the falling snow at a speed of 5.50 m/s, it appears to be falling at an angle of 27.5° relative to the vertical. Find the speed of the snow relative to the earth.
A ball is thrown straight upward. At 5.50 m above its launch point, the ball's speed is one-half its launch speed. What maximum height above its launch point does the ball attain?
Find the weight of the hanging mass when the spring, with spring constant 15.5 kN/m , has been stretched 15.1cm
A small earthquake starts a lamppost vibrating back and forth. What is the time constant for the damping of the oscillation
A catapult on a cliff launches a large round rock towards a ship on the ocean below. calculate the speed at which the rock is launched
Determine the force (in N) of the car on truck all through the impact. Call this force positive if it points to the east, and negative if it points to the west.
A volume of 2000 cm^3 of carbon dioxide gas at normal pressure and 20 C is compressed isothermally into a 2 cm^3 container, what is the final pressure inside the container
A pilot wants to fly due north a distance of 125 km. The wind is blowing out of the west at a constant 35 km/h. If the plane travel at 175 km/h, how long would the trip take.
We accelerate electrons between two parallel plates a few cm apart. We apply 2.05 MV across the plates. Find the momentum of the electron
A car travelling in a large circle passes by the motorcycle that is travelling in a straight line from North to South. Both of their speedometers read 10m/s.
A satellite is in a circular orbit very close to the surface of a spherical planet. The period of the orbit is 2.54 hours. What is density of the planet
Students in a fraternity house want to be able to spray water 25 m across their neighbor's yard onto a patio. What size nozzle do they need
Two lightbulbs operate on the same potential difference. What is the ratio of the current in bulb A to the current in bulb B
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