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A 0.302-m-thick sheet of ice covers a lake. The air temperature at the ice surface is -16.0 °C. In 5.90 minutes, the ice thickens by a small amount. Assume that no heat flows from the ground below into the water and that the added ice is very thin compared to 0.302 m. Calculate the number of millimeters by which the ice thickens.
The school bus picks up Brian in front of his house and takes him on a straight-line 3.6 km bus ride to school in the positive direction. what is his displacement on the walk home
Two equal forces act on the two different objects, one of which has a mass ten times as large as the other. Will the more massive object have the larger acceleration, an equal accelearation, or a smaller acceleration.
The ideal gas model is valid if?
Helium forms a solid at low temperatures and high pressures. To maintain the order present in a solid, each atom must remain at its assigned position, Find the uncertainty in momentum of the helium atom
A 181.99 kg car that stopped at a traffic light is struck from the rear by a 419.72 kg car. find the velocity of the entangled cars after the collision
The winning time for the 2005 annual race up 86 floors of the Empire State Building was 10 min and 49 s. What was the winner's metabolic power in watts during the race up the stairs
A surveyor is using a magnetic compass 7.7 m below a power line in which there is a steady current of 100 A. What is the magnetic field in microteslas
A solenoid with a cross-sectional area of 1.70*10^-3 is 0.735m long and has 485 turns per meter. Find the magnitude of induced emf in this solenoid
A(n) 716 kg elevator starts from rest. It moves upward for 4.36 s with a constant acceleration until it reaches its cruising speed of 2.14 m/s. Find the average power delivered by the elevator motor
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 60.0?. Dog A exerts a force of 272N , and dog B exerts a force of 346N. Find the magnitude of the resultant force
500 mL of a liquid with a coefficient of volume expansion of 205x10-6/oC fills to the brim a container that has a coefficient of volume expansion of 105x10-6/oC. how much of the liquid will overflow the container
Two of Angie's friends are talking to each other at a distance of 3.0 m from where Angie stands. What sound intensity does he measure for the two talkers
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