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Q. A glass window pane is exactly 20 cm by 36 cm at 10oC. By how much has its area increased when it temperature is 33oC, assuming that it can expand freely? Take the coefficient of thermal expansion for the glass to be exactly 9 x 10-6/Co.
Q. A thermos contains 180 cm3 of coffee at 85° C. To cool the coffee, you drop two 11-g ice cubes into the thermos. The ice cubes are initially at 0° C and melt completely. What is the final temperature of the coffee? Treat the coffee as if it were water.
What is eccentricity of the transfer ellipse
You're carrying a 3.40 m-long, 23 poles to a construction site when you decide to stop for a rest. You place one end of the pole on a fence post and hold the other end of the pole 35 from its tip.
On an amusement park ride, passengers are seated in the horizontal circle of radius 6.5 m. The seats begin from rest and are uniformly accelerated for 24 seconds to a maximum rotational speed of 1.4 rad/s.
A 110 g cube of ice at 0°C is dropped into 1 kg of water that was originally at 90°C. What is an final temperature of the water after the ice has melted.
What is the speed of crate hit ground
What is value of Earths magnetic field
A 1500 car travelling at 26 suddenly runs out of gas while approaching the valley that looks like an inverted hump. 12m at the left where the care runs out of gas and 19 m at the right were it is headed. What will be the car's speed as it coasts into..
How much energy is given to the cell during this pulse. How many years would it take the earth to move 1.0 mm at this speed.
Compute an inductance of the sensor for air gaps
Determine the position of the GPS satellite relative to and from the center of the earth and ratio of clock rates on a GPS clock in orbit and one on the surface of the earth.
A football is thrown toward a receiver with an initial speed of 20 m/s at an angle of 30.0o above the horizontal. At that instant, receiver is 20 m from the quarterback. In what direction and with what constant speed must the receiver run in order..
With what minimum speed should you toss a 140g ball straight up to hit the 11.0m-high roof of the gymnasium if you release the ball 1.30m above the ground? Resolve this problem using energy.
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