Physics, 13.02.2022 17:50, mdaniella522

The children realise that if they move the plank to the left, it will eventually be capable of supporting the child at the very right-hand edge of the plank.
Calculate how far they will need to move the plank.
(4 mark)

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 20:00, johnLavender8262

The chemical effect of the endocrine system is longer lasting than the chemical effect of the nervous system. select the best answer from the choices provided t f

Answers: 3

continue

Physics, 22.06.2019 00:00, cookies1164

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Answers: 1

continue

Physics, 22.06.2019 11:20, kendallnowell18

If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t − 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12−3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s

Answers: 1

continue

Physics, 22.06.2019 12:30, lanaasad7733

An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg. how much energy e must be supplied to the device? express your answer in joules.

Answers: 1

continue

Do you know the correct answer?

The children realise that if they move the plank to the left, it will eventually be capable of sup...