Physics, 23.02.2021 14:00, hellothere69
1) what is the power output in watts of an incandescent light bulb which puts out 100 joules of energy every 1 second 2) why does a 100 watt light bulb look brighter than a 60 watt light bulb ?
Answers: 3
Physics, 21.06.2019 19:30, sariyamcgregor66321
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.
Answers: 3
Physics, 22.06.2019 18:30, breiajr
Aballoon is rising vertically upwards at a velocity of 10m/s. when it is at a height of 45m from the ground, a parachute bails out from it. after 3s he opens his parachute and decelerates ata a constant rate 5m/s. when. (a) what was the height of the parachutist above the ground when he opened his parachute? (b)how far is the parachutist from the balloon at t=3s? (c)with what velocity does the parachutist hit the ground? (d)after how long does the parachutist hit the ground after his exist from the balloon?
Answers: 3
Physics, 22.06.2019 23:00, sagereagin
Which type of reaction is shown in this energy diagram ?
Answers: 1
Physics, 23.06.2019 17:00, tomboyswagge2887
Ajetliner flies east 2000 miles from san francisco to chicago. it has an average air speed of 600 mph relative to the air. what is the velocity of the jetliner relative to the earth if the wind is blowing at 150 mph from the west to east
Answers: 1
1) what is the power output in watts of an incandescent light bulb which puts out 100 joules of ener...
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