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A ball is thrown vertically downwards from a height of 20 m with an initial velocity v02. It collides with the ground, loses 50 percent of its energy in collision and rebounds to the same height. The initial velocity v0 is (Take g = 10 ms-2)
Suppose your bathroom scale reads your mass as 85 kg, with an 8% uncertainty. What is the uncertainty in your mass? (Note that uncertainties should be reported to one significant figure.)
Let the pivot point for the beam be at 50 centimeter. If an unknown mass is added to a 20 gram hanger at 25 centimeter, evaluate what is the unknown mass
a wire along the z-axis carries a current of 6.2 a in the z direction. find the magnitude and direction of the force
Q 1 : Molar mass of water is 18g/ mole. What is the mass of 0.1 mole of water?a) What is the term which is used to represent the mass of 1 mole of atoms of a substance?b) What is the term which is used to represent the mass of 1 mole of molecules of ..
Since there is no accommodation and the implant allows for correct distance vision, a corrective lens for close work or reading must be used. calculate the power of the lens in the reading glasses
A 2.03 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.602 and the coefficient of kinetic friction is 0.327. How much force is needed to begin moving the book
A simple harmonic oscillator takes 17 seconds to undergo 17 complete oscillations. What is the frequency of the oscillator
A critically damped simple harmonic oscillator starts at the origin at rest, and is subject to an additional force Fext = Fto/t. Find the subsequent motion
a ball is thrown horizontally from the roof of a building 45m tall and lands 24.m from the base. what was the ball's initial speed
a child and sled with a combined mass of 48.6 kg slide down a frictionless hill that is 8.94 m high. if the sled starts
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 26.5 m/s. find the airplane\'s acceleration
a sample of blood is placed in a centrifuge of radius 13.0 cm. the mass of a red blood cell is 3.0 multiplied by 10-16
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