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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 mass of .150kg is attached to a spring with a force constant of 3.58 N/m and undergoes simple harmonic oscillations. What is the period of the oscillations
The resistor has a value of 10ohms, and the capacitor is 500uF. Calculate the time constant of the circuit. What is the voltage across the capacitor after the switch has been closed for one time constant
A 4.80 kilogram ball is dropped from a height of 10 meter above one end of a uniform bar that pivots at its center. Determine how high will the other ball go after the collision
A step-down transformer is used for recharging the batteries of portable devices. calculate rms output voltage of the transformer
A ripple in a pond travels at 0.5 m/s it makes a duck bob up and down twice every second what is the frequency of the ducks bobbing ?
Assume A and B function independently. For the system to function, both components must function. If the probability that A fails is 0.05, and the prob- ability that B fails is 0.03, find the probability that the system functions.
A .22 rifle bullet, traveling at 350 m/s, strikes a block of soft wood, which it penetrates to a depth of 0.130m. How much time is required for the bullet to stop
Holding a long rope by its upper end, you lower itonto a scale. Calculate the thrust exerted by the rope as it lands on the scale
Using a highly sensitive parabolic sound collector, Amy records the frequency of a tuning fork as it drops into the Grand Canyon. She drops the vibrating tuning fork from rest at t=0. She records a frequency of 1657.0 Hz at t=6.400 s.
Light of wavelength 550. nm in air is found to travel at 1.96x10^8 m/s in a certain liquid. Determine the frequency of the light in air
four long parallel wires each carry 2.0 a in the same direction. they are parallel to the z-axis and they pass through
Two charged plates create a potential difference of 190 V. At a point halfway between the plates an electron is released from rest. What was the initial speed and direction of the proton
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