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1. The specific heat of a particular metal allow is 0.26 calories per gram per degree Celsius. Calculate the amount of heat required (in calories) to raise the temperature of 4.2kg of this material by 18 degrees.
Report your answer to 2 decimal places
2. A water wave oscillates up and down once every 1.50 seconds. The distance between waves crests is 1.95 m. The speed of the wave is ___ m/s.
Report your answers to 2 decimal places
A 200g block is pressed against a spring (K = 1400 N/m) until the block compresses the spring 10.0cm from equilibrium. The spring rests at the bottom of a frictionless incline plane of angle 60 degrees. The block is released from rest. Compute the ma..
A block of mass m = 2.0 kg is dropped from height h = 90 cm onto a spring of spring constant k = 1960 N/m. Find the maximum distance the spring is compressed
q1. what mass in grams of steam at 100degc should be mixed with 257 g of ice at its melting point in the thermally
A ball thrown straight up from the ground passes a window 5.6 m up. An observer looking out the window sees the ball pass the window again, going down, 2.6s later
Two small identical conducting spheres have charges 2.0 X10^-9 C and -0.40X10^-9 C respectively. When the spheres are placed 4.0 cm apart, what is the force among them?
A 12-V battery is connected in series with a switch, 6.0-ohms resistor and coil. What energy is stored in the coil when the current is 2.0 A
An electron and proton move in circular orbits in a plane perpendicular to a uniform magnetic field B. Find the ratio of the radius of electron to the proton
What are distinguishable and indistinguishable particles in statistical mechanics? While learning different distributions in statistical mechanics I came across this doubt.
A gasoline engine fuel burns at a temp of 500 degrees Celsius. Its radiator cools to 70 degrees celsius. What is the engines Carnot efficiency
A car and a train move together along straight, parallel paths with the same constant cruising speed v0. How much time does it take for the car to come to a full stop
A sinusoidal ac voltage source in a circuit produces a maximum voltage of 12.6V and an rms current of 7.50mA. Find voltage amplitude
A very large loop of metal wire with radius 1meter is driven with a linearly increasing current at a rate of 200amps/second. What is the separation between the loops
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