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The mass of a certain planet is 3.00 multiply.gif 1026 kg.
(a) The planet has a moon whose mean orbital radius is 2.80 multiply.gif 108 m. What is the period of this moon?
s
(b) The planet has a second moon whose period is 2.45 multiply.gif 106 s. What is the mean orbital radius of this second moon?
m
Two boats start together and race across a 56km wide lake and back. Boat A goes across at 56 km/h and returns at 56km/h. Boat B goes across at 28km/h, and its crew, realize how far behind it is getting.
I put a packing peanut on top of it, and it only took one rotation--or crank--to knock the material off from the machine and onto the ground. mass of the peanut=.001 kg, distance from the machine to the peanut=.0005m.
Two coils have the same number of circular turns and carry the same current. Each rotates in a magnetic field acting perpendicularly to its axis of rotation, What is the radius (in cm) of coil 2
The leg and cast weigh 290 -N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w2 weighs 120 N. Determine the weight w1 and angle α needed in order that there is no force exerted on the hip joint by the le..
Define a lie in the strict or formal sense and explain what is meant by communication - what is the principal purpose of communication?
A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 35.00m/s. At the equal time, it has the horizontal velocity of 55 m/s
What is the horizontal component of superhero's displacement.
A 2.0 kg mass (mA) and a 5.50 kg mass (mB) are connected to a lightweight cord that passes over a frictionless pulley. The pulley only changes the direction of the force exerted by the rope.
find the highest distance throughout which his center of gravity can fall without his breaking a bone.
Two nonconservative forces are present: friction does -2.00 104 J of work on the car, and a chain mechanism does +3.00 104 J of work to help the car up a long climb. Illustrate what is the change in the car's kinetic energy, ΔKE = KEf - KE0, fro..
A solid sphere of mass 6.0 kg is mounted on a vertical axis and can rotate freely without friction, What is the speed of the block after it has fallen 80 cm
Consider a balloon being filled up with oxygen. You have approximately 30 moles of oxygen gas in this balloon with volume 1.3 m^3. compute the temperature of the molecules
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