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Two balls on a pool table collide. The balls have each a mass of 35grs and the collision can be considered elastic and in 1 dimension.
a) If ball 1 is moving at 3 m/s to the right while ball 2 is moving at 1 m/s to the left, what are the final velocities of both balls.
b) If ball 1 is moving at 4 m/s to the right while ball 2 is at rest, what is now the velocity of the balls after collision?
The gauge pressure at the bottom of a pint of beer, at a depth of 14.6 cm, is 1450 Pa. What is the density of the beer
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = -28.0 cm). How far is the object from the converging lens
An air-track glider attached to a spring oscillates between the 16.31 cm mark and the 51.41 cm mark on the track. What is the maximum speed of the glider
A CD rotating at 1200 rpm starts slowing down at a constant rate such that, after the first two seconds, it has made 10 rotations. Find the time needed for the CD to come to rest
A rescue helicopter lifts a 60 kg person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s2, How much work is done by the person's weight
A box of books weighing 397 N is shoved across the floor by a force of 543 N exerted downward at an angle of 37 degrees below the horizontal.
A river ?ows at a speed vr = 5.85 km/hr with respect to the shoreline. A boat needs to go perpendicular to the shoreline to reach a pier on the river's other side, determine the width of the river
A single atom of cesium-133 has a mass, in atomic mass units, of 132.90545193 u. Determine the average binding energy per nucleon
In a double-slit experiment, slits separated by 1.240e-4 m are illuminated by a coherent 571 nm light source. What is the angular position of the first bright fringe
A certain toaster has a heating element made of Nichrome resistance wire, What is the final temperature of the heating element
Compute the force exerted on the palm of your hand by the beam of a 1.0W flashlight (a) if your hand absorbs the light and (b) if the light reflects off your hand
A 300 kg piano slides 4.50 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40.
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