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In a physics lab, a cube slides down a frictionless incline and elastically strikes another cube at the bottom that is only 1/10 it's mass. If the incline is 30 centimeter high and the table is 90 centimeter off the floor, determine where does each cube land? [Hint: Both leave the incline moving horizontally.]
The ground reaction force actin gon the long jumper is 4500N acting forward and upward at an angle of 78 degrees from horizontal. What is the vertical component of the ground reaction force
250.0 gram industrial mold absorbs 5,575 calories of heat when it is filled with an alloy. If the specific heat of the mold is 0.275 calories per gram degree Celsius, explain by how much does its temperature rise?
A 4.5m long, non uniform beam weighing 750N, supported by two weighing cables, is at rest in horizonal position as shown . The cable on the right has a tension of T1=650 N.
A 1.5 kg object initially at rest is raised to a height of 10 m by a force of 40 N. What is the velocity of the object at this height What time is needed for this motion
A 107-kg horizontal platform is a uniform disk of radius 1.85 m and can rotate about the vertical axis through its center. Find the moment of inertia of this system, consisting of the platform and its population, with respect to the axis
Suppose the asteroid starts from rest at a great distance (effectively infinity), falling toward Earth. How much work would have to be done on the asteroid by friction
If an amount of heat equal to magnitude of the work done by friction is absorbed by the crate of fruit and the fruit reaches a uniform final temperature, what is its temperature change DeltaT.
a 60.0-kg person rides in an elevator while standing on a scale. the scale reads 400 n. what is the acceleration of the
A storage tank contains 21.6 kg of nitrogetn (N2) at an absolute pressure of 3.65 atm, What is the volume of the tank
find out the magnitude of the gravitational force exerted by one on the other.
Three moles of a monatomic ideal gas are heated at a constantvolume of 2.40 m3. Theamount of heat added is 4.72 103 J. What is the change in the temperature of the gas
Two identical long wires of radius a = 2.90 millimeter are parallel and carry identical currents of i = 14.0 A in opposite directions. Find the inductance per unit length of the wires
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