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A copper pot with mass 0.500 kg contains 0.170 kg of water ata temperature of 20.0ºC. A 0.250-kg block of iron at85.0ºC is dropped into the pot. Find the final temperature, assuming no heat loss to the surroundings
According to Rutherford's experiment when a sample of radioactive substance is place in a lead box and permit the emission of radiation by a small hole only. When the radiation ent
Two travelling sinusoidal waves are described by the wave functions Y1 = 55.00 sin[π(4.00x - 1200t)] Y2 =55.00 sin[π(4.00x - 1200t - 0.250)] where x, Y1 , and Y2 are in meter
A commuter train blows its horn as it passes a passenger platform at a constant speed of 40.0m/s. The train horn sounds at a frequency of 305 Hz when the train is at rest. (a) W
What is the principle of generating ultrasonic waves? The general principle comprised in generating ultrasonic waves is to reasons some dense material to vibrate very quickly.
Complementarity principle (N. Bohr) The principle which a given system cannot exhibit wave-like and particle-like both behaviors at the similar time. i.e., certain experiments
Do you know about optical rotation?
What is half wave plate? Explain its action on polarized light incident on it with its electric vector E making an angle with the optic axis of the half wave plate.
Sliding friction Lock the rollers of a roller skate by criss-crossing rubber bands more than them on both sides. Place the roller skate on a sloping board and reminder how the
A disc of mass m and radius R is attached to a rectangular plate of the similar mass breadth R and length 2R . Find moment of inertia of this system about diameter of disc. They ar
A merry-go-round in the park has a radius of 2.6 m and a moment of inertia of 1773 kg.m 2 What is the mass of the merry-go-round?
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