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A(n) 51.1 kg astronaut becomes separated from the shuttle, while on a space walk. She finds herself 72.4 m away from the shuttle and moving with zero speed relative to the shuttle. She has a(n) 0.909 kg camera in her hand and decides to get back to the shuttle by throwing the camera at a speed of 12 m/s in the direction away from the shuttle. How long will it take for her to reach the shuttle? Answer in minutes. Answer in units of min.
A source emits sound wavesof frequency 200 Hz, which move through still air at 340 m/s. Find the frequency heard by the listener
At what angle should the road be banked. The charge on the inner shell is 4.59 x 10- 8 C and that on the outer shell is 2.15 x 10- 8 C. Find out the electric field (in N/C) (a) at r = 12.7 cm and (b) at r = 37.3 cm.
The angular speed of an automobile engine isincreased at a constant rate from 1500rev/min to 2500 rev/min in13 s. How many revolutions does the engine make during this13 s interval
spaceman speff orbits planet x with his spaceship. to remain in orbit at 556 km from the planets center he should
q1. how does the length of a bat or racquet affect the striking motion? explain using concepts of angular motion.q2.
On a clear day at a certain location, a 100 V/m vertical electric field exists near the Earth's surface. Compute the energy density of the electric field
Throughout a nuclear reactor accident, 570 m3 of water at 20o C is pumped into the reactor core which is producing heat at the rate of 250 MW. If the water is allowed to boil at normal atmospheric pressure how long would it take to boil away all this..
A truck is traveling at 56 mi/h (25.2 m/s) down the interstatehighway where you are changing a flat tire. What frequency do you hear
q1. katie is swinging at a speed of 7.7 ms at the low point. how high will katie and the swing be atthe high point?q2.
A 5.0 kg crate is transferred to a lower level by means of an 8 m long frictionless slide. What is the crates velocity at the bottom of the slide
Two identical point charges (q = +1.50 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.570 m. Determine the speed of the test charge when it reaches the center of the square
a 5.0 -thick layer of oil n1.46 is sandwiched between a 1.5 -thick sheet of glass and a 2.3 -thick sheet of polystyrene
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