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If a 600 kg car is moving with a speed of 25 m/s, that what is its kinetic energy? State your answer in Joules. What is its momentum? What are the correct units of measurement for momentum?
1. suppose a room is divided into the front one fifth the middle two fifths and the back two fifths. what is the ratio
Two frictionless carts are pulled (horizontally to the left) by a force of F1=24N. m1=2.0kg and m2=4.0kg, find the tension in the connecting cord
1 mole of cu at temp. 0 celsius is placed in thermal contact with a second mole of cu at 100 celsius. pressure in the
Europa, one of the moons of Jupiter, was discovered by Galileo in 1610. Europa has a circular orbit of radius 6.708 105 km and period 3.551 days. Find the mass of Jupiter
a uniform rectangular plate is hanging vertically downward from a hinge that passes along its left edge. by blowing air
Imagine two blocks before and after colision. Initially the left hand block of mass m1 = 2 kg is moving towards the right at v = 1 m/s. Determine whether the collision is elastic or inelastic
if 3.25 x 10-3 kg of gold is deposited on the negative electrode of an electrolytic cell in a period of 2.78 hours what
q1. an airplane is flying horizontally with the speed of 1300kmh while an engine falls off. neglecting air resistance
a cyclotron is sometimes used for carbon dating. carbon -14 and carbon -12 ions are obtained from a sample of the
To help prevent frost damage, fruit growers sometimes protecttheir crop by spraying it with water when overnight temperaturesare expected to go below the freezing mark. How much heat is released by the water when it freezes
A projectile is shot from the ground at an angle of 55 degrees with respect to the horizontal,find the horizontal component and the vertical component of initial velocity
if a hot reservoir of an engine is 300k and cold reservoir 200k, what is the carnot efficiency of this engine
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