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A 140 kg astronaut (including space suit) acquires a speed of2.50 m/s by pushing off with his legs from an 1800 kg space capsule.
(a) What is the change in speed of the space capsule?
(b)If the push lasts 0.500 s, what is the average force exerted byeach on the other? As the reference fram, use the position of thecapsule before the push.
A loop antenna of area 2.00 cm2 and resistance 5.21 ?? is perpendicular to a uniform magnetic field of magnitude 17.0 ?T. How much thermal energy is produced in the loop by the change in field
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A piece of Nichrome wire has a radius of 6.00 10-4 m. It is used in a laboratory to make a heater that uses 4.00 102 W ofpower when connected to a voltage source of 120 V. Ignoring the effect of temperature on resistance, estimate the necessary lengt..
You have a beach ball which has a radius of 11 cm and a mass of 0.3 kg. You have a lead ball which has the same radius but has a mass of 120 kg. What is the buoyancy force felt by the beach ball
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