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Two spaceships are traveling, one in front of the other, in the same direction, at the same speed of 1.46 108 m/s relative to the earth. A laser pulse is emitted by one of the ships and is reflected back by a mirror on the other ship. The total round trip time for the laser pulse is 4.12 10-3 s. How long would it take for a small landing module to travel between the ships if its speed, relative to the ships, is 1.11 103 m/s?(answer in min please)
A tightrope walker is practicing. She isbalanced on a rope at the exact midpoint of the rope. What angle with the horizontal does it make
For the pressure-depth relationship for a fluid (p = ρgh), which of the following is assumed? (Select all that apply.) The pressure decreases with depth pressure dissimilarity depends on the reference point the fluid density is constant the relations..
A system does 136 J of work on its environment and gains 66 J of heat in the process. compute the change in the internal energy of the system
A 107 ball is tied to a string. It is pulled to an angle of 4.20 and released to swing as a pendulum. How long is the string
a 5.0 kg object is supported by an aluminum wire of length 2.6m and diameter 2.2mm. How much will the wire stretch
q1. a 1000 kg car travelling at a speed of 20 ms skids to a halt on wet concrete where fk 0.50. how long is the cars
In outer space a rock of mass 12 kg is acted on by a constant net force ‹ 30, ?14, 49 › N during a 3 s time interval. What was the rock's velocity at the beginning of the time interval
A ball rolls off a table with an initial velocity of 20/ms. The height of the table is 2 meters to the ground. How long does it take the ball to reach the ground
A 6.50%u03BCF capacitor that is initially uncharged is connected in series with a 4700%u03A9 resistor, Just after the circuit is completed, what is the voltage drop across the capacitor
question a pickup truck has a width of 78.9 in. if it is traveling north at 38 ms through a magnetic field with
q1. a stone thrown upward from the top of a 108 ft cliff at 132 ftsec eventually falls to the beach below. for this
The wavelength of visible light ranges from 400 {\rm nm} to 700 {\rm nm}. Find the ranges of this light's angular frequency
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