Aprojectile proton with a speed of 500 m/s collides elastically with a target proton initially at rest. the two protons thenmove along perpendicular paths, with the projectile path at 60 from the original direction. after the collision, what are the speedsof (a) the target proton and (b) the projectile proton
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Physics, 21.06.2019 20:30
When you drop a pebble from height a it reaches the ground with speed v if there is no air resistance. from what height should you drop it so it will reach the ground with three times the speed? (a) 9m (b) 3m (c) 6m (d) 18m
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Physics, 21.06.2019 23:30
Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?
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Physics, 22.06.2019 12:30
Consider a 1000 w iron whose base plate is made of 0.5 cm thick aluminum alloy 2024-t6 (ρ = 2770 kg/m3 and cp = 875 j/kg°c). the base plate has a surface area of 0.03 m2. initially, the iron is in thermal equilibrium with the ambient air at 22°c. assuming 90% of the heat generated in the resistance wires is transferred to the plate, determine the minimum time needed for the plate temperature to reach 200°c.
Answers: 1
Physics, 23.06.2019 03:30
Explain how a step-down transformer makes electricity safe for use in homes
Answers: 2
Aprojectile proton with a speed of 500 m/s collides elastically with a target proton initially at re...
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