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A glass windowpane in a home is 0.62 cm thick and has dimensions of 0.8 m 1.9 m. On a certain day, the indoor temperature is 22°C and the outdoor temperature is 0°C.
(a) What is the rate at which energy is transferred by heat through the glass? .
(b) How much energy is lost through the window in one day, assuming the temperatures inside and outside remain constant?
A storage tank 30 m high is filled with gasoline. Find the gauge pressure at the bottom of the tank
At t = 0, a rectangular coil of resistance R = 1.6 ? and dimensions w = 3 cm and L = 8 cm enters a region of constant magnetic field B = 1.7 T directed into the screen, find the force required at time t = 0.8 sec to maintain this velocity
The work done by an engine equals one-half the energy it expels to a cooler at 0C. what is the temperature of the heater
Indicate the negative x direction by including a negative sign in the answer, but omit a sign for the positive x direction.
A jet airplane is in level flight. The mass of the airplane is m = 8830 kg. What is the magnitude of the lift force acting on the plane
A catapult on a cliff launches a large round rock towards a ship on the ocean below. The rock leaves the catapult from a height H of 33.0 m above sea level, To what height above sea level does the rock rise
A 416 kg car moving at 17.8 m/s hits from behind another car moving at 11.3 m/s in the same direction. If the second car has a mass of 757 kg and a new speed of 13.0 m/s, what is the velocity of the first car after the collision?
Two radio antennas operating at 6.00 Mhz are separated by 120.0m along a North-South line. Find the directions on the compass in which no radiation is sent out
The 75 kg man is falling at 15 m/s! In an attempt to stop his fall, the brake shoe is pressed against the spinning pulley with a force of 1000 N. how long does it take to stop the man's fall
You find an unlabeled box of fine needles, and want to determine how thick they are. What is the diameter of the needle
A person who weighs 616 N is riding a 108-N mountain bike. find the area of contact between each tire and the ground
A standard interior staircase has steps each with a rise (height) of 20 cm and a run (horizontal depth) of 25 cm. Research suggests that the stairs would be safer for descent if the run were, instead, 31 cm.
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