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Mars period (its year) was first noted by kepler to be about 1.88earth years. Obtain the distance of mars from the sun if the earth-sun distance d = 1.5 1011 m.
Find the electric energy density between the plates of a 225 μF parallel-plate capacitor. The potentialdifference between the plates is 345 V, and the plate separation is0.300 mm.
A 620 g basketball is pushed up a 30° ramp. The ball starts from rest and the length of the surface of the ramp is 5 m. What was the magnitude of the pushing force (in N)
The heating element of a simple heater consists of a 2.0--long, 0.70--diameter nichrome wire. The heating element of a simple heater consists of a 2.0--long, 0.70--diameter nichrome wire.
A freight train has a mass of 2 multiplied by 107-kg. If the locomotive can exert a constant pull of 12.50 multiplied by 105-N, how long would it take to enhancement the speed of the train from rest to 85.00 km/h.
Explain how will the acceleration due to gravity at the surface of planet X compare to the acceleration due to gravity at the surface of earth?
A television tube needs a high voltage to work properly, and uses 80 Watt of power when it's running. Find what must be the voltage in the secondary
Two slits separated by 0.0520 mm and located 1.80 m from a viewing screen are illuminated by monochromatic light. The third-order bright fringe is 5.50 cm from the zeroth-order bright fringe.
Objective questions based on work, energy, power.
A simple harmonic oscillator is constructed from a spring which is connected to a mass of 0.6 kg. What is the maximum velocity of the mass
A helium atom (mass 4.0 u) moving at 600m/s to the right collides with an oxygen molecule (mass 32 u)moving in the same direction at 403 m/s.After the collision, the oxygen molecule moves at 447 m/s to the right. What is the velocity of the helium at..
The displacement of a standing wave on a string is given by D = 9.9 sin(0.55x)cos(56t), where x and D are in centimeters and t is in seconds. What is the distance (cm) between nodes
Consider a series RC circuit for which C =4.0 µF, R = 2.2 x 106 Ω, and ε = 23 Volt. Determine the maximum charge on the capacitor after a switch in the circuit is closed
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