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A block of mass m1 = 3 kg is sliding across a frictionless table at a speed of v1 = 3 m/s. You send a second mass, m2 = 2 kg at it such that m1 will stop. Determine the maximum energy lost in the collision.
A 20kg box is on a level surface pressed against a spring compressed 25cm and with k=1000 k/m. How far does the box go up the hill
1 the scientific method is used by scientists to understand the natural laws that the universe obeys. scientists are
The period of a pendulum is 0.215 s on Earth. The period of the same pendulum is found to be 0.467 s on planet X, whose mass is equal to that of Earth.
A negative charge of -0.525%u03BCC exerts an upward 0.205N force on an unknown charge 0.310m directly below it. What is the unknown charge in microcoulombs
In each of the following cases, the mass is 7.83 kg and the radius is 7.50 cm. What is the moment of inertia (kg m^2) of a solid cylinder rotating about an axis parallel to the symmetry axis but passing through the edge of the cylin..
A ball hangs motionless from a ceiling by a string. How many forces are acting on the ball
A heat engine operates as a reversible Carnot cycle transfers 6.0 kW of heat from a reservoir at 1000 K, Calculate the power output of this engine
A stereo speaker has a surface area of 0.043 m^2. The acoustic power output of the speaker is 1.7 W. Calculate the intensity of the speaker
Joey, whose mass is 37kg , stands at rest at the outer edge of the frictionless 250kg merry-go-round, 1.9m from its center. The merry-go-round is also at rest. What is the final angular speed of the merry-go-round
A 45 kg woman cheats on her diet and eats a 439 Calorie (439 kcal) jelly donut for breakfast. If the human body is only 28% efficient in converting chemical energy to mechanical energy, how many stairs must the woman climb to work off her breakfas..
A railroad car of mass 2.52 104 kg is moving with a speed of 4.06 m/s. It collides and couples with three other coupled railroad cars, How much mechanical energy is lost in the collision
question1if you drop a rock from a height of 7.1 m it accelerates at g and strikes ground 1.20374 s later.if you drop
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