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A rocket cruising past earth at 0.800c shoots a bullet out the back door, opposite the rocket's motion, at 0.900c relative to the rocket.
What is the bullet's speed relative to the earth?
v/c=??
q1. sunlight shining in during the daytime is absorbed by the floor interior walls and objects in the room raising
one block has a mass M = 500 g, the other has mass m = 460 g, and the pulley, which is mounted in horizontal frictionless bearings, has a radius of 5.00 cm. What is the tension in the part of the cord that supports the lighter block
q1. a fan at a rock concert is 30 m from the stage where sound intensity level is 110 db. her eardrums have the
A 800kg car pushes a 1800kg truck that has a dead battery. When the driver steps on the accelerator, What is the magnitude of the force of the car on the truck
A 5.6 cm -thick layer of oil (n =1.46) is sandwiched between a 1.5 cm -thick sheet of glass and a 2.0 cm -thick sheet of polystyrene plastic (n = 1.59.) How long (in ns) does it take light incident perpendicular to the glass to pass through this 9..
Give a definition of "laissez faire" economics. (An economic doctrine that opposes government regulation of or interference in commerce.) Explain why do you think this was the dominant political and legal view in the 1800s and early 1900s?
A 5m-diameter garden pond holds 5.90 times 10^ {3};{rm kg} of water.
A car moving at a constant speed of 7.5 m/s, moves 25 m at a 20 degree angle above horizontal. How much time does it take the car to accomplish this movement
A Li-6 nucleus has a mass of 6.015121 u The mass of a single proton is 1.007276 u, What is the binding energy of lithium
An aluminum block (c=0.22 kcal/kgoC) of mass 1 kg and temperature 964oC is dropped into 11 liters of water at 26 oC. What is the final temperature of the water and aluminum
A rotating cylinder about 16 {rm km} long and 7.40 km in diameter is designed to be used as a space colony. With what angular speed must it rotate so that the residents on it would experience the same acceleration due to gravity as on Earth.
You are driving along a highway at 25.5 m/s when you hear a siren. You look in the rear-view mirror and see a police car approaching you from behind with a constant speed, How fast was the police car moving
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