What was the mass of the ice cube taken from the freezer
A cube of ice is taken from the freezer at -6.3 and placed in a 106 aluminum calorimeter filled with 304 of water at room temperature of 20.0 . The final situation is observed to be all water at 17.0. What was the mass of the ice cube?
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Focal length lens that is positioned .505 m in front of the film. What distance in front of the lens will the screen be placed in order for the image to be focused.
A stone is thrown at a bell with a speed of 20.0 m/s. The stone strikes the bell and the sound is heard 2.60s after the stone was released. Speed of sound is 342m/s, how far is the boy from the bell?
Two small spheres spaced 20cm apart have equal charge. How many excess electrons must be present on each sphere if the magnitude of the force or repulsion between them is 4.57*10^-21 newtons.
Block of mass 3 kg that is sitting at rest on a nearly frictionless surface. What is the speed of the block after the bullet embeds itself in the block.
If the average force exerted on the arrow by the bow were doubled, all else remaining the same, with what speed would the arrow leave the bow?
During a circus performance, a 71-kg human cannonball is shot out of an 17-m-long cannon. If the human cannonball spends 1.04 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
A force of 315 N is applied horizontally to a crate in order to displace the crate 35.0 m across a level floor at a constant velocity. as a result of this work, the crate;s internal energy is increased by an amount equal to 14 percent of the crate
A 1 kg block rests against one end of a horizontal spring which is compressed by 10 $cm$. When the spring is released, the spring forces the block to slide across a table top. It stops 41 from where you released it. The spring constant k is equal
The hinges are placed at the very top and very bottom of the door. Find F, the magnitude of the horizontal force exerted by the lower hinge.
A ball with a horizontal speed of 1.25 rolls off a bench 1.00 above the floor. How long will it take the ball to hit the floor? How far from a point on the floor directly below the edge of the bench will the ball land?
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