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A bullet of mass 0.012 kg traveling horizontally at a high speed of 280 m/s embeds itself in a block of mass 3 kg that is sitting at rest on a nearly frictionless surface.
(a) What is the speed of the block after the bullet embeds itself in the block ?
Vf =
(b) Calculate the total translational kinetic energy before and after the collision?
A power plant burns coal and generates an average of 645.0 MW of electrical power while discharging 1044.90 MW as waste heat. Find the total electrical energy generated by the plant
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What is the propotion of the mass of these excess electrons to the mass of the penny.
A father and a daughter balance a teeter totter
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Earth has a mass of 5.98 × 1024 kg. The average mass of the atoms that make up Earth is 40 u. How many atoms are there in Earth
The Potential in a region of space is given by V = (100 V)[(x2 - y2)/z2], where x, y, and z are in meters. Find the Electric Field vector at a point (x, y, z) = (1.0 m, 2.0 m, 3.0 m)
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A 1.5kg weight hangs from a 8.0kg, solid wheel with a 20 cm circumfrence by a thin string wrapped several times around the circumfrence. How fast (in radians/second) is the wheel turning just before the weight hits the floor
An elvator can carry a max load of 1600kg is moving up with a constant speed of 2 m/s. The frictional force opposing the motion is 3320N. Determine the max power delivered by the motor to the elvator in HP.
A solenoid 1.63 m long and 2.23 cm in diameter carries a current of 24.9 A. The magnetic field inside the solenoid is 30.7 mT. Find the length of the wire forming the solenoid
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