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At 20.0°C, a mainly silicon resistor has a resistance of 365 O, and a tungsten resistor has a resistance of 752 O. At this temperature, the silicon resistor has a temperature coefficient of resistivity of -0.070°C-1 and the tungsten resistor has a coefficient of 0.0050°C-1. At what temperature will their resistances be equal?
A satellite is in a circular orbit very close to the surface of a spherical planet. The period of the orbit is 2.54 hours. What is density of the planet
question11 the molecular mass of helium is 4 gmol boltzmannrsquos constant is 1.38066 times 10minus23 jk universal gas
A 8.68x10^5-m- long pipeline has an inside diameter of 12 in. and can be supplied with oil at 35L/s (a) what is the volume of oil in the pipeline if it is full at some instant in time? (b) How long would it take to fill the pipleline with oil if it i..
q1. determine the work done by 9.00 of water when it is all boiled to steam at 100. suppose a constant pressure of
A football punter accelerates a football from rest to a speed of 10 m/s during the time in which his toe is in contact with the ball (about 0.17 s)
What is the kinetic energy of a carbon atom moving with a speed of 500 m/s.
A 108m long train starts from rest (at t=0) and accelerates uniformly. At the same time (at t=0), a car moving with constant speed in the same direction reaches the back end of the train. find the cars speed and the trains acceleration
A woman with mass of 55 kg stands at the rim of a horizontal table having a moment of inertia of 410 kg m2 and a radius of 1.6 m. How much work does the woman do ON THE TABLE to set it into motion
In static equilibrium a spring is stretched 0.25 m by a hanging mass. If the system is initially moved up to the unstretched position and released with zero velocity, determine position of the mass (in m) after 4.2s. Take the equilibrium position ..
What should be coefficient of static friction
At the moment of ignition the mass of a rocket is 100 kg. For the first 10 s it burns fuel at the rate of 5 kg/s. find The magnitude of the force developed by its engine
a wheelchair marathoner has a speed of 5 ms after rolling down a small hill in 1.5 s. if the wheelchair underwent a
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