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Define molar specific heat of a gas at constant volume (CV) and constant pressure (Cp). Obtain the ratio Cp/Cv for a hydrogen gas using the law of equipartition of energy.
a computer monitor accelerates electrons and directs them to the screen in order to create an image.if the accelerating
In a time of T seconds, a motorcycle can accelerate from rest to the speed v. Calculate the speed of the motorcycle (in terms of v) 7T after starting
a mass of 10 kg was hung vertically from a spring. the system obtain equilibrium with a stretched length of 30 cm.a
An aluminum cup contains 225 g of water and a 40 g copper stirrer, all at 27°C. Calculate the mass of the aluminum cup
On a banked race track, the smallest circular path on which cars can move has a radius of 111 m, while the largest has a radius 153 m, Find the smallest speed at which cars can move on this track without relying on friction
q1. a small ball of mass 62 g is suspended from a string of length 37 cm and whirled in a circle lying in the
a light with wavelength 411nm is shined on 15cm of water with 850nm of oil on top of it. the oil has an index of
n a circuit, a current of 4A is drawn from a battery. The current then divides, What is the value of the other resistor
Two solid spheres, each of mass m, are rolling without slipping with a speed v. If the spheres have radii R1 and R2 with R1/R2 = 5.5, what is the ratio of their kinetic energies
A 79 kg runner exerts 340 N of horizontal force as he pushes off the ground. The vertical ground reaction force at this time is 970 N. There are 75 N of air resistance working against his motion. What is the direction in degrees of the resultant exte..
a simple heater for a cup of water consists of an insulated resistive coil that plugs directly into a 120 v electrical
A 75 g arrow is fired from a bow whosestring exerts an average force of 95 N on the arrow over a distanceof 76 cm. What is the speed of the arrowas it leaves the bow
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