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you launch a small rocket up into the air. the rocket has a constant total acceleration of 12m/s^2 and burns for 10 seconds. ignoring air resistance:
a) find the velocity of the rocket when it burns out?
b) what is the maximum height of the rocket?
c) what is the velocity of the rocket when it hits the ground?
A mass is attached to a spring stretched 2.5 cm from equilibrium. What is the angular frequency of the oscillation
For a temperature increase of ?T1, a certain amount of an ideal gas requires 30 J when heated at constant volume, How much work is done by the gas in the second situation
What is the advantage of the new crumple zone design in new car's today when they are in a car crash, explain answer from a physics standpoint?
A professor's office door is 0.9 wide, 2.0 high, and 4 thick; has a mass of 25; and pivots on frictionless hinges. A "door closer" is attached to door and top of the door frame.
Two packages at UPS start sliding down the 20 degree ramp, How long does it take package A to reach the bottom
A human wearing cloths has about 1.0 m^2 of exposed skin. How much power does a typical human loose due to radiation
A single atom of cesium-133 has a mass, in atomic mass units, of 132.90545193 u. Determine the average binding energy per nucleon
Sam pushes a 10.0-kg sack of bread flour on a frictionless horizontal surface with a constant horizontal force of 4.0 N starting from rest. What is the speed of the sack after Sam has pushed it a distance of 20 cm
A proton moves at a speed of 870 m/s in a direction perpendicular to a magnetic field with a magnitude of 0.70 T
The electric field points radially outward at all points within the sphere (and outside too, for that matter). What is the strength of the electric field at a distance r from the center, inside sphere.
An electron with 184eV of kinetic energy in free space passes over a finite potential well 72eV deep that stretches from x=0 to \(x = 0.5\) nm. What is the electron's wavelength in free space
A certain pipe has resonant frequencies of 385 Hz, 495 Hz, and 605 Hz, with no other resonant frequencies between these values. How long is this pipe
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