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Q. A balloon of volume 3.6 m3 contains argon gas at a pressure of 6.6 x10^5 Pa and room temperature (200 C). What is the total internal energy of gas?
Q. When the air temperature is below 0, the water at the surface of a lake freezes to form a sheet of ice. If the upper surface of an ice sheet 24.60 cm thick is at -10.30 Celsius and the bottom surface is at 0.00 Celsius, compute the time it will take to add 2.20 mm to the thickness of this sheet.
What is velocity curve between two times
A 10.60 weather rocket generates a thrust of 220. The rocket, pointing upward, is clamped to the top of the vertical spring. The bottom of the spring, whose spring constant is 450, is anchored to the ground.
A rocket blasts off from a platform on a space station. An identical rocket blast off from free space. Considering that everything else is equal, will the two rockets have the same acceleration? define.
At t = 0, a particle leaves the origin with the velocity of 9 m/ s in the positively direction and moves in the x y plane with a constant acceleration of (2.0i - 4.0j) m/ s2. At the instant the x coordinate of the particle is 15m, what is the spee..
At what angle should the road bank on the curve so that no frictional force is required by a vehicle travelling around the curve at the speed limit.
Reading glasses of what power are needed for a person whose near point is 110cm, so that he can read a computer screen at 52cm? suppose a lens-eye distance of 2cm.
A horizontal vinyl record of mass 0.10kg and radius 0.10 m rotates freely about a vertical axis through its center with a rotational speed of 5.10 rad/s.
What vertical height does block reach above its starting point. What speed does it have when it slides back down to its starting point.
A 1600 kg car starts from rest at A, coasts 180m through a dip and comes to stop at B after coasting a distance d on level ground. If the rolling resistance is a constant force of 280N, conclude the distance d.
A pair of oppositely charged parallel plates are separated by a distance of 5 cm with a potential difference of 550 V between the plates. A proton is released from rest at the positive plate at the equal time that an electron is released from rest..
Care for the coffee as though it were pure water and neglect energy exchanges with environment.
An explosion breaks an object into two pieces, one of which has 1.80 times the mass of the other. If 10000 J were released in explosion, how much kinetic energy did each piece acquire.
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