How fast must a 3000-kg elephant move to have the same kinetic energy as a 65.0-kg sprinter running at 10.0 m/s?

Q: A solid cylinder with a rotational inertia of (1/2)MR2 is released from rest and rolls without…

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Q: Problem 4 Consider the vectors A and B, with magnitudes given by A = 6 and B = 3. Their directions,…

A: Given, A→=6B→=3θA=45°θB=115° Note : According to our guidelines we'll answer the first 3 subparts of…

Q: and A college pro fessor had major surgery needed to exercise to regain his pre-surgeny health…

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Q: Find the position function r(t) from the given velocity function r'(t) = 4ti + (3t2 – 1)j, r(1) =…

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Q: (a) What is the momentum in kg · m/s of a garbage truck that is 1.20 x 104 kg and is moving at 30.0…

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Q: A soccer player kicks a soccer ball of mass 0.45 kg that is initially at rest. The player's foot is…

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Q: FES Reconsider Prob. 1-62. Using EES (or other) software, plot the rate at which ice melts as a…

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Q: An evacuated tube uses a voltage of 9.00 kV to accelerate electrons from rest to hit a phosphor…

A: The voltage used is 9.00 kV.  The kinetic energy of electron will be given by  K=eV where e is the…

Q: In a partially evacuated container, the particle density of air at 273.15 K is level is 0.19*…

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Q: Water flowing out of a horizontal pipe emerges through a nozzle. The radius of the pipe is 1.9 cm,…

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Q: Spherical refracting surfaces. When an object is placed 9.4 cm in front of a spherical refracting…

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Q: Find the angle between the vectors a = 2i + 3j + 5k and b=i-2j + 3k.

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Q: A 8.82 kg particle with velocity = (5.84 m/s ) - (9.49 m/s ) is at x = 1.64 m, y = 8.10 m. It is…

A: m = 8.82 kg= x = 1.64 my = 8.10 mF = 5.59 N in negative x direction