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If the pressure inside an air tank is 10 atm when the balloon is at a temperature of 25 C, what will the pressure inside be when its temperature is lowered to 0 C? Assume the volume is fixed.
A 68-kg skater moving initially at 2.4 m/s on rough horizontal surface comes to rest uniformly in 3.52 s due to friction. What force does friction exerts on the skater
A cart for hauling ore out of a gold mine has a mass of 447 kg, including its load. Calculate the work done on the cart during the process by friction
A 68.0 patient is suspended in a raised hospital bed (angle is 50 degrees). The wire is attached to a brace on the patient's neck and pulls parallel to the bed, and the coefficients of kinetic and static friction between the patient and the bed are 0..
Light of wavelength 568.0 nm is incident on a narrow slit. The diffraction pattern is viewed on a screen 62.5 cm from the slit. What is the width of the slit
What force must be applied to 50 kg object to move it downward with acceleration 10 m/s^2 ? What is the direction of the applied force
The nucleus of radioactive polonium-210, with a mass of about 3.49?10?25kg , is known to decay by emitting an alpha particle with a mass of about 6.68?10?27kg. what is the recoil speed of the remaining nucleus
suppose you are outdoors in the Boundary Water Canoe Area of Northern Minnesota. You have in your hand the empty tube from a roll of paper towel. Outline the mathematical steps you would take to help you achieve an accurate estimate of the stars i..
Runner A is initially 3.0 mi west of a flagpole and is running with a constant velocity of 3.0 mi/h due east. How far are the runners from the flagpole when they meet
A 23 kg boom of length 6 m is supported by a cable that has a breaking tension of 1200N. The cable is perpendicular to the boom and is attached 4.5m from the pivot. What is the utmost load that can be suspended from the end of the boom.
A hydraulic lift has pipes of area A1=1 cm^2, A2= 40 cm^2. If I wish to lift a weight of 2000 N at the larger end, what force must i exert at the smaller end
Two identical point charges are fixed distance from one another. If one of their charges was doubled an the other was halved, how would the electric force be affected.
determine the speed of the ball after the ball. A positive charge q is fired by a small hole in the positive plate of a capacitor.
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