How long would it take to disappear from vision if it burn
The distance from the Earth to Polaris is approximately 5.35 10^18 m. How long would it take to disappear from our vision if it were to burn out today? Answer in units of years.
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What is the terminal speed for an 77.0 skier going down a 45.0 snow-covered slope on wooden skis = 0.060? Assume that the skier is 1.70 tall and 0.500 wide
A 60 turn coil of radius 4.8 cm rotates in a uniform magnetic field having a magnitude of 0.51 T. If the coil carries a current of 35 mA, find the magnitude of the maximum torque exerted on the coil
The temperature of the hot reservoir remains the same, what must be the temperature of the cold reservoir in order to increase the efficiency to 29.0%?
A loop of area 0.07 m2 is rotating at 70 rev/s with the axis of rotation perpendicular to a 0.08 T magnetic ?eld. If there are 731 turns on the loop, what is the maximum voltage induced in it?
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Calculate the temperature rise. The heat capacity of 1 mol water( which weighs 0.018 kg) is 80 J/K. The acceleration due to gravity is 9.8 m/s^2.
What is the displacement of a particle at position x = 2.7 m at time t = 5.8 s? Note: Remember that the argument of the sine function in the wave equation is expressed in radians.
In a parallel plate capacitor, two plates are being discharged by a constant current. Each plate has a radius of 4.00 cm. During the discharging, at a point between the plates at radial distance 2.00 cm from the central axis, the magnetic field ha
A 152 g sample of ice at -37oC is heated until it turns into liquid water at 0oC. Find the change in heat content of the system.
A 114g puck is traveling at an initial speed of 6.7m/s and stops in 18 m due to friction of the ice. What is the magnitude of the friction force? What is the coefficeint of kinetic friction between the puck and the ice?
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