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A copper calorimeter can with mass 0.169 kilogram contains 0.201 kilogram of water and 2.90×10-2 kilogram of ice in thermal equilibrium at atmospheric pressure. The relevant latent heats and specific heats can be found in your book. If 0.832 kilogram of lead at a temperature of 383 is dropped into the can, estimate what is the final temperature of the system if no heat is lost to the surroundings?
Calculate the magnitude of B when the force on wire. The time constant of an RC circuit is 5.5 s. How much time t is required for the capacitor (uncharged initially) to gain one-half of its full equilibrium charge.
A copper wire that is 1 m long has a radius of 0.6mm is stretched to a length of 3 m. what is the fractional change in resistance, change in R/R, as the wire is stretched?
A 1.5 kg mass is held at rest on top of a frictionless and horizontal table. A light string loops over a pulley which is in the shape of a 10 cm radius solid disk which has a mass of 1.5 kg. What is the acceleration of the falling mass
A parachute dropped from a 30 meter-high cliff falls with a constant velocity of 1.5 meters per second. How long does it take for the stone to hit the ground
An object is dropped from rest from aheight of 40 million meters above surface of the earth. If there isno air resistance, what is its speed when it strikes the earth
A beach ball filled with air is pushed about 1 m below the surface of a swimming pool and released from rest. Which of the following statements are valid, assuming the size of the ball remains the same?
A 12-V battery is connected across a device whose resistance is 24 ohms. Calculate the current in the wire. What is the power dissipated by this load
when a current flows in an aluminum wire of diameter 4.35 mm the drift speed of the conduction electrons is 2.57 times
A woman stands in a elevator that has a constant acelerationwhile the elevator travel upward a distance of 18.0 m. what is the mass of the woman
what was the speed of the bullet at impact with block.
A 965-kg satellite orbits the Earth at a constant altitude of 94-km. What is the change in the system's kinetic energy
A quarterback is asked to throw a football to a receiver that is 32.9 m away. What is the minimum speed that the football must have
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