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A cube of ice is taken from the freezer at -9.4°C and placed in a 100 g aluminum calorimeter filled with 308 g of water at room temperature of 20°C. The final situation is observed to be all water at 17°C. What was the mass of the ice cube?
What is the new tension in the slinky? (assume the slinky acts as a spring that obeys Hooke's Law) 6) What is the new mass density of the slinky? 7) What is the new time it takes for a wave pulse to travel down the slinky? 8) If the new wave pu..
Billy is running on level ground with a speed of 3.5 m/s. He attempts to jump a ditch that is 1.5 meters wide. if the horizontal component of his velocity does not chance.
Estimate the maximum centrifugal and coriolis forces that you would experience on a ferris wheel in Melbourne, (Please use the earth's surface as the reference frame).
You are on a cruise ship traveling north at a speed of 13.0 m/s with respect to land. If you walk north toward the front of the ship, with a speed of 2.7 with respect to the ship, what is your velocity with respect to the land
Two speakers on stands 10 m apart are aimed directly at each other. They are emitting a pure tone at 440 Hz. Alice stands at a point exactly between the two speakers;
An outfielder throws a 0.150 kg baseball at a speed of 42.0 m/s and an initial angle of 30.0°. What is the kinetic energy of the ball
In a certain radio wave, the shortest distance between positions where the electric and magnetic fields are zero is 0.98 m. Determine the frequency of this radio wave.
a satellite orbits the earth a distance of 1.50x10^7m above the planet's surface and takes 4.89 hours for each revolution about the earth. what is the acceleration of this satellite
A car is coasting at 20 meters/sec at the top of a 100 meter high hill. The car rolls down the hill. How fast fast is the car traveling when it reaches the bottom
suppose there is significant air resistance in addition to the spring force acting on the mass as it oscillates up and down. how will the elastic potential energy change
2.90 mol of gas is at a temperature of -180 C and fills a 3.90 L container. What is the gas pressure
A faulty model rocket moves in the xy-plane (the positive y-direction is vertically upward), Calculate the velocity vector as a function of time
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