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A satellite is in a circular orbit just above the surface of themoon. The radius of the moon is 1738 km. What is the period of the satellite orbit?
5 kg of water at 60 degrees are put in contact with 1 kg of ice at 0 degrees and are thermally isolated from everything else. What is the change in entropy of the universe while the ice melts
The ball loses contact with the spring and leaves the gun when the spring is still compressed by 12 cm. Elucidate what is the speed of the ball when it hits the ground, 1.4 m below the spring gun?
The centers of a 11kg lead ball and a 100g lead ball are separated by 9 cm. what is the ratio of this gravitational force to the weight of the 100 g ball.
One component of a metal sculpture consists of a solid cube with an edge of length 0.277 m. Find the cube's mass
Several people are riding in a hot air balloon. The combined mass of the balloon and the people totals 355 kg. how much mass should be dropped overboard so that the system acquires a net upward acceleration of .150 m/s2
A rod of length 5m with miss per unit length=x^1/2 extends in the x-direction. Find the mass and the center of mass of the rod
Two sleds are hooked together in tandem . The front sled is is twice as massive as the rear sled. Determine the ratio of the magnitude of the two forces.
A car alarm is emitting sound waves of frequency 520Hz. How fast must you be traveling if you detect a frequency of 490 Hz?Enter your speed as a positive number. Take the speed of sound to be 344
The objective focal length is 2.00 cm and they eye piece focal length is 4 cm. Calculate the location of the final image and determine lateral magnification
on the apollo 14 mission to the moon astronaut alan shepard hit a golf ball with a 6 iron. the acceleration due to
A portable electric heater is powered by a 45 V battery. Ithas four identical heating elements inside, wired in series. If acurrent of 14 A runs through them when the heateris turned on, what is the resistance of each heating element?
When its coil rotates at a frequency of 230 Hz, a certain generatorhas a peak emf of 86 V. (a) What is the peak emfof the generator when its coil rotates at a frequency of 34 Hz?(b) Determine the frequency of the coil's rotation when the peak emf of ..
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