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Which of the following statements about the speed and acceleration of the cart just before the counterweight hits the ground is true?
a) The speed is constant and acceleration is zero.
b) The speed is maximum and acceleration is zero.
c) The speed is maximum and acceleration is nonzero.
d) The speed is minimum and acceleration is nonzero.
e) The speed is minimum and acceleration is zero.
A block of ice of mass 100 g and at 00 C is dropped into 500 g of water at 800 C in a Styrofoam cup. describe the process of each heat loss or gain
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each tire on a car has a radius of 0.330 m and is rotating with an angular speed of 15.5 revolutionss. find the linear
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Starting from rest, two skaters "push off" against each other on smooth level ice, where friction is negligible. find the recoil velocity of the man relative to the ice
What is the maximum kinetic energy of electrons if the metal is illuminated by UV light of wavelength 375nm
A 66-N %u22C5 m torque acts on a wheel with a moment of inertia 175 kg %u22C5 m2. how long will it take the wheel to make one revolution?
You buy an ice cream cone. The cone you are given is filled with melted ice cream of density 1.2g/cm^3. Find the pressure at the bottom of the cone
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A 360 kg piano slides 3.1 m down a 25 degree incline and is kept from accelerating by A man who is pushing back on it parallel to the incline, Determine the work done on the piano by the man
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