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The pressure of air in your home can stay constant during the day if the temperature rises. Let the temperatures be 300 K during the day, and 288 K at night and volume of the house is 900 m3.
Compute the number of moles of air that leave the house during the daytime.
A sled slides down a small ice- covered hill(no friction). If thesled starts from rest at the top of the hill, What is the height of the hill
What assumptions can be made about the radiation per unit areaof a blackbody? Is there a standard area of black body? What value for emissivity
Two charged, parallel, flat conducting surfaces are spacedd=2.00cm apart, What is the initial speed of the electron if it stops just at the second surface
Block 1, of mass = 9.70 , moves along a frictionless air track with speed = 19.0 . It collides with block 2, of mass = 15.0 , which was initially at rest. The blocks stick together after the collision. Find the magnitude of the total initial momentum..
question1a 30-kg girl is bouncing on a trampoline. throughout a certain interval after leaving surface of the
A sled starts from rest at the top of a frictionless (ice-covered), semi-spherical hill. At what angle theta max does it 'fly off' the hill
An alien race has evolved such that their eyes work exactly like ours except their eyes can be modeled with a biconcave lens. WHen they come to visit us, what kind of glasses would you prescribe
q1. two blocks of the same mass m joined by a spring of negligible mass and with spring constant k are being lowered at
an elastic collision occurs between a 300g cart moving at 2m/s to the right and a 500 g cart moving at 6m/s to the left, find the velocity of each cart after the collision
Nitrogen and oxygen in their liquid states have densities only 0.80 and 0.90 that of water. Atmospheric pressure is due primarily to weight of nitrogen and oxygen gas in the air. If atmosphere liquefied would its depth be greater or less than 10.30 m..
Traveling at a speed of 19.5 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.560. What is the speed of the automobile after 1.29 s have e..
A mass is at rest on a spring in a liquid with density = 1500kg/m^3. The spring has a force constant of 200N/m, determine the density of the mass
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