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A 63.0 kg astronaut is ona spacewalk when the tether line to the shuttle breaks. the astronaut is able to throw a 10.0 kg oxygen tank in a direction away from the shuttle with a speed of 12m/s, propelling the astronaut back to the shuttle. Determine the maximum distance the astronaut can be from the craft when the line breaks in order to return to the craft within 60.0 s.
Charge A and Charge B are 5.00m apart, A is +3.00 C and charge B is +7.00C, How far from charge A is charge C
A candle 4.30 cm tall is 39.1 cm to the left of a plane mirror. Where is the image formed by the mirror
A proton travels with a speed of 3.00 106 m/s at an angle of 24.0° with the direction of a magnetic field of 0.430 T in the +y direction. (a) What is the magnitude of the magnetic force on the proton? N (b) What is its acceleration? m/s2
Two boats start together and race across a 56km wide lake and back. Boat A goes across at 56 km/h and returns at 56km/h. Boat B goes across at 28km/h, and its crew, realize how far behind it is getting.
A small object begins a free-fall from a height of H = 82.5 m at t0 = 0 s. After ? = 2.85 s, a second small object is launched vertically up from the ground with the initial velocity v0 = 40.2 m/s. At what height from the ground will the two objec..
A mechanic pushes a 2.80 103-kg car from rest to a speed of v, doing 4,650 J of work in the process. During this time, the car moves 26.0 m. calculate the horizontal force exerted on the car
a metal rod is forced to move with constant velocity along two parallel metal rails, connected with a strip of metal at one end. what is the current in amperes in the rod
A 1200 kg car carrying four 77 kg people travels over a rough "washboard" dirt road with corrugations 4.0 m apart which causes the car to bounce on its spring suspension. By how much does the car body rise on its suspension owing to this decrease i..
A certain lightbulb has a tungsten filament with a resistance of 20.5 ? when at 20.0°C and 136 ? when hot. Find the temperature of the hot filament
If a index card is 3inx5in and another is 5in x7in find the conversion factor by dividing the value in cm/in. Calculate the area of both index cards
An X-ray photon with a wavelength of 0.260 nm scatters from a free electron at rest. Find the final momentum of the photon
Derive the algebraic equations for the coordinate curves and coordinate surfaces in pherical polar coordinate systems
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