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A tank whose volume is unknown is divided into two parts by a partition. One side of the tank contains 0.01 m3 of refrigerant-134a that is a saturated liquid at 0.8 MPa, while the other side is evacuated. The partition is now removed, and the refrigerant fills the entire tank. If the final state of the refrigerant is 20°C and 400 kPa, determine the volume of the tank.
Squaw Valley ski area in California claims that its lifts can move 45800 persons per hour. calculate the maximum total power needed
two narrow slits 50 microns apart are illuminated with light of wavelength 500nm. what is the angle of the m 2 bright
We did this lab where we needed to see how velocity is related to centripetal force. What we did is we had a hanging mass held by a string that goes through a glass tube. Obtain in what ways did you control your variables
A 400 g baseball thrown by a velocity of 40 m/s is hit straight back at the pitcher with a velocity of -50m/s. What is the change in momentum of the ball? What is the impulse exerted on the ball with the bat?
When a softball player swings a bat, she accelerates it from rest to an angular velocity of 10 rad/s in a time of 0.26792 seconds. What is the magnitude of the torque she applies to the end of the bat? Model the bat as a uniform rod of length 0.90 m ..
Illustrate what is the absolute pressure at a point that is 9.82 cm below the ethyl alcohol-mercury interface?
A 2.90-kg block starts from rest at the top of a 30.0° incline and slides a distance of 2.10 m down the incline in 1.20 s. Find the friction force acting on the block
An 18.7 cm screwdriver is used to pry open a can of paint. If the axis of rotation is 3.07 cm from the end of the screwdriver blade, what force is applied to the lid
A research submarine has a 40.0cm -diameter window 8.30cm thick. The manufacturer says the window can withstand forces up to 1.10×106N
a uniform line charge extends from x - 2.7 cm to x 2.7 cm and has a linear charge density of 5.9 ncm.a find the
A 54.00 kg pole vaulter running at 10 m/s vaults over the bar. Her speed while she is above the bar is 1.0 m/s. Avoid air resistance, in addition to any energy absorbed by the pole, and determine her altitude as she crosses the bar.
A flat go-kart track consists of two straight ways 100 m long with semicircular ends which have a radius of 25.0 m. Determine the magnitude of the total acceleration
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