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A block slides to the right by speed V on a frictionless floor and collides with a bigger block which is initially at rest. After the collision the speed of both blocks is V/3 in opposite directions. Is the collision elastic?
the transmutation reaction 194Po -> 33Al + ___ + 31n, What is the full name of the daughter atom
A 54.1-kg ice skater is standing at rest on a frozen lake. The friction between his skates and the surface of the ice is negligible. what is the magnitude of his recoil velocity
Two identical 19.1?kg spheres of radius 12.7cm are 35.7cm apart (center-to-center distance). If they are released from rest and allowed to fall toward one another, what is their speed when they first make contact
In a period of 1.0 s, 5.01023 nitrogen molecules strike a wall of area8.0 cm2. find the pressure exerted on the wall
A raindrop of mass 3.35 10 -5 kg falls vertically at constant speed under the influence of gravity and air resistance. Model the drop as a particle. As it falls 100 m,what is the work done on the raindrop (a) by the gravitational force and (b) by air..
The mousetrap car has a mass of 100 grams and starts travelling at the speed of 1.80 m/s and after 5seconds get the rested? What force did the motor exert.
The index of refraction for red light in water is 1.331 and that for blue light is 1.340. A ray of white light enters the water at an angle of incidence of 80.4°. What is the underwater angle of refraction for the red component of the light?
Jamal pulls a 150-N sled up a 28.0° degree slope at constant speed by a force of 100 N. With what acceleration does the sled go down the hill
A motorist drives along a straight road at a constant speed of 21.5 m/s. Just as she passes a parked motorcycle police officer, the officer starts to accelerate at 4.00 m/s2 to overtake her. Assume that the officer maintains this acceleration. Decide..
Find out the magnitude and direction of the displacement
Batman (mass = 91 kg) jumps straight down the from a bridge into a boat ( mass = 510 kg ) in which a criminal is fleeing. What is the velocity of the boat after Batman lands in it
two sinusoidal waves traveling in opposite directions interfere to produce a standing wave with the following wave
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