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Synchronous communication satellites are put into orbit at a distance of 42300 kilometer from earth. If two adjacent satellites are separated by an angle of 2o when viewed from earth, determine the arc length that separates the two satellites in orbit?
Two particles with charges +6e and -2e are initially very far apart (effectively an infinite distance apart). They are then fixed at positions that are 4.92 x 10-10 m apart. What is EPEfinal - EPEinitial, which is the change in the electric potent..
In 2010, the men's record for the 26.22 miles Boston Marathon was 2 hours 5 minutes and 52 seconds. What was the average speed of the runner in units of m/s
A 5 gram bullet is fired horizontally into a 15 kg block of wood suspended by a rope from the ceiling. What is the kinetic energy of the bullet just before it hits the block
A bullet with mass 4.85 g is fired horizontally into a 2.040-kg block attached to a horizontal spring, Find the initial speed of the bullet-block system
A spring with an unstrained length of 0.069 m and a spring constant of 2.7 N/m hangs vertically downward from the ceiling. A uniform electric field directed vertically upward fills the region containing the spring.
A 28.0-kg block is connected to an empty 2.46-kgbucket by a cord running over a frictionless pulley. Calculate the mass of sand added to the bucket
A cube of ice is taken from the freezer at -7.7°C and placed in a99g aluminum calorimeter filled with297g of water at room temperature of 20°C. What was the mass of the ice cube
if a solid cylinder has a mass of 15.0 kg radius of 1.50m and is rolling with out slipping on rough surface what is the
A 53-kg woman contestant on a reality television show is at rest at thesouth end of a horizontal 149-kgraft that is floating in crocodile-infested waters. She and theraft are initially at rest. She needs to jump from the raft to aplatform that is ..
A particle oscillates with S.H.M. The maximum displacement from its mean position is 0.5 meter and frequency of motion is 10 Hz. at time t=0, particle is located at 0.15 meter and has the velocity of 24.0 m/s towards the negative x-axis.
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.13 x 104 m/s, and the radius of the orbit is 3.77 x 106 m. What is the orbital speed of the second satellite
A diving board of length 3{rm m} is supported at a point 1 {rm m} from the end, and a diver weighing 550 {rm N} stands at the free end. The diving board is of uniform cross section and weighs 295 {rm N}. Find out the magnitude of the force at the ..
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