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Two blocks M1=120kg and M2=100kg 1m above the ground. Both blocks are connected by a mass less pulley.
a) Find how long does it take for that to happen?
b) Estimate the velocity that the heavier mass M1 hits the ground.
c) Find the maximum height that the second block M1 reaches. How long does it take for that to happen?
consider the earth/atmosphere/ionosphere as an equivalent RC circuit with a total resistance of 230 ohm and a total capacitance of 2.9F. how long does this amount of discharge take in hours
An electron is in the ground state of an infinite square well. The energy of the ground state is E1 = 0.72 eV. What is the width of the square well
a 4.64 kg block is on a plane inclined at 18.5 degrees with respects to the horizontal. How many forces are acting on the block
If a diverging lens of focal length -69.0 cm is then placed 29.0cm from the first lens on the opposite side of the lens from theobject, what is the location of the new image
A 4·cm tall candle is placed 300·cm from a lens with a focal length of +60·cm. Note: enter the absolute value of your answers for all distances and heights, How far from the lens will the image be
An athlete at a gymnasium holds a 3.0kg steel ball in his hand. His arm is 70cm long and has a mass of 4.0kg. Calculate the magnitude of the torque about his shoulder if he holds his arm
an x-ray photon with wavelength 15.0 pm is scattered at 84.0 degrees by an electron. What is the resulting kinetic energy of the electron
Three resistors, 2.57ohm, 2.51ohm, and 4.45ohm, are connected in series across a 24.4-V battery
During a particular thunderstorm, the electric potential between acloud and the ground is Vcloud -Vground = 2.2 x 108 V, with thecloud being at the higher potential. What is the change in anelectron's potential energy when the electron moves from th..
The electric field within the membrane separating the inside and outside of a biological cell is approximately 7.5 MV/m and is essentially uniform. what is the potential difference across the membrane
The total translational kinetic energy of the molecules of a sample of gas at 447 K is 1.33 x 10^4 J, Find the average translational kinetic energy of a single molecule
a globular cluster at its farthest point from the galactic center is at a distance of 104 pc.what is its period of
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