Physics, 27.04.2021 16:40 milkshakegrande101
A student’s room has a TV (250 W) ,heater (1150 W) and lamp (200 W)
Electricity costs 10 fills per KWh.
Calculate how much it would cost to run these three appliances for a total of
2 hour 30 minutes ?
Answers:
240p
24p
4p
40p
Answers: 1
Physics, 22.06.2019 11:50
The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?
Answers: 3
Physics, 22.06.2019 12:30
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
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Physics, 23.06.2019 01:00
During the apollo moon missions, astronauts were concerned about the effects of newton's third law of motion when: o a. they ejected waste water, because they were concerned that it would push them off course. o b. they reentered earth's atmosphere, because they were carrying heavy moon rocks. o c. they took off from earth, because a large force was required to generate large acceleration. o d. they detected incoming space debris, because the inertia of the debris could damage their ship.
Answers: 3
A student’s room has a TV (250 W) ,heater (1150 W) and lamp (200 W)
Electricity costs 10 fills per...
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