A package is dropped from a helicopter that is moving upward at 15 m/s If it takes before the package strikes the ground, how high above the ground was the package when it was released? Neglect air resistance
What will be an ideal response?
190 m
Physics & Space Science
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A machine gun, of mass 35. kg, fires 50. gram bullets, with a muzzle velocity of 750. m/s, at the rate of 300. rounds per minute. What is the average force exerted on the machine gun mount?
What will be an ideal response?
Physics & Space Science
RLC Circuits: A 120-V rms signal at 60.0 Hz is applied across a series combination of a 30.0-mH inductor and a 100-? resistor. What is the rms value of the voltage across the inductor?
A. 0.700 V B. 119 V C. 100 V D. 13.5 V E. 120 V
Physics & Space Science
The altimeter in an aircraft is an aneroid barometer
a. True b. False Indicate whether the statement is true or false
Physics & Space Science
Heat is simply another word for
A) temperature. B) thermal energy. C) both of these D) none of the above
Physics & Space Science