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Using a lever Determine that the longer end of a lever travels farther and faster than the shorter end when the fulcrum is not in the centre. A baseball or cricket bat makes us
A child's toy train moves at a constant speed of 2.0 cm/s. a. Illustrate the position-time graph showing the position of the toy for 1.0 min. b. What is the slope of the lin
Q When calculate Planck's constant, a student's calculations produce values of 5.78 × 10 -34 J·s and 7.29 × 10 -34 J·s. If the accepted value is 6.63 × 10 -34 J·s, what is
It having of a Cu plate coated with a thin layer of cuprous oxide (Cu2O). On this plate is laid a semi transparent thin film of silver. When light fall, the electrons emitt
(Assume the metallic ball is spherical with a diameter d = 2.5 cm. Let''s also assume it is made out of nickel, which has a density of roughly 9 g/cm 3 .) After it first touches
Kelvin : Kelvin is the fundamental unit of temperature. It has quantity of zero where the molecular activity of gases ceases. Mole : Mole is the fundamental unit of quantity of
A microphone is attached to a spring that is suspended from the ceiling. Directly below on the floor is a stationary 440 Hzsource of sound. The microphone vibrates up and down in s
Define Ohm's Law Ohm's Law: Relationship among the potential difference across an electric device and the current that runs by it. V= I.R
Voltmeter: An electromechanical instrument which is used to calculate potential difference among two points is known as voltmeter. Voltmeter is a modified form of a galvanom
Compound microscope principal.
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