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Question: It takes 7.769 days for Jovian moon to circle jupiter. Find the moons orbital speed if its obital distance is 421,700 km.
Three resistors having resistances of 1.50{\rm \Omega} , 2.30{\rm \Omega}, and 4.70{\rm \Omega} are connected in parallel to a 29.0{\rm V}battery that has negligible internal resistance
At rest, a car's horn sounds at a frequency of 480 Hz. The horn is sounded while the car is moving down the street. A bicyclist moving in the same direction with one-third the car's speed hears a frequency of 470 Hz. What is the speed of the car?
A person on a bicycle accelerates at 2.0 m/s2 for 30 seconds. If the final velocity is 10 m/s, what was the cyclist's initial velocity
A 1.80 kg rubber ball is dropped from a height of 3.50 m and bounces off the floor. find the average force exerted by the floor on the ball
Use the free electron model to estimate the gap parameter ?0 and the transition temperature Tc for (a) aluminum (1.81 x 10^29 electrons/m3 ) and (b) zinc (1.31 x 10^29 electrons/m3 ).
Over a time interval of 1.92 years, the velocity of a planet orbiting a distant star reverses direction, changing from +22.2 km/s to -20.5 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) du..
A bat at rest sends out ultrasonic sound waves at 52.3 kHz and receives them returned from an object moving directly away from it at 29.7 m/s. What is the received sound frequency
500 J of energy are transferred to a system in the form of heat while the thermal energy increases by 100 J . How much work is done by the system
Suppose you are in a high-speed boat moving at 18.0 m/s directly into approaching 1.10 m wavelength wave. What is the time interval between wave peaks hitting the boat
the speed of sound traveling through ocean water is a function of temperature salinity and pressure. it has been
the resistivity of silver at 20 degrees C is 1.59 x 10^-8 ohms*m and it temp coefficient is 0.0061/degree C. Find resitance of silver wire at 43 degree C
Which color light is the result of greater energy transition, red or blue, how much energy is needed to return an electron at ground level to the first quantum level? How can it be provided? Explain
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