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Musya8 [376]
2 years ago
5

How much energy is required to lift a 9 kg (20 lb) bag of rice from the floor to the trunk of your car located 0.9 meters above

the ground? What kind of energy does the rice have when it is sitting in your trunk? To receive full credit, show all of your work in the space below.
Mathematics
1 answer:
kramer2 years ago
4 0
Potential energy = mass X acceleration due to gravity X height
= 9 X 10(or 9.8) X 0.9
= 81 J (Joule)
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AYUDAAA porfavorrrr primera urna 6 bolas verdes y 3 rojas segunda urna 3 verdes, 3 blancas y 3 rojas tercera urna 6 verdes, 1 bl
marin [14]

We have the following information:

first urn: 6 green balls and 3 red ones

total: 6 + 3 = 9

second urn: 3 green, 3 white and 3 red

total: 3 + 3 + 3 = 9

third urn: 6 green, 1 white and 2 red

total: 6 + 1 + 2 = 9

a) A green ball is more likely to be obtained, since there are more green balls than red balls, which makes the probability higher.

b) probability of drawing a green, red and white ball.

first urn:

green = 6/9 = 66.66%

red = 3/9 = 33.33%

white = 0/9 = 0%

second urn:

green = 3/9 = 33.33%

red = 3/9 = 33.33%

white = 3/9 = 33.33%

third urn:

green = 6/9 = 66.66%

red = 2/9 = 22.22%

white = 1/9 = 11.11%

c) it would be chosen where the probability of drawing green would be the highest, which means that it would be possible both in the first and in the third ballot box, the probability is equal 66.66%

d) without a green ball, the third ballot box would look like this:

5 green balls, 2 red balls and 1 white ball, with a total of 8.

The probability of drawing would be:

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2 years ago
19/92 written as a percentage
Solnce55 [7]

Answer:

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4 0
3 years ago
A triangular prism has a volume of 832m3. The area of the base is 64m2. What is the height of the prism?
dolphi86 [110]

Answer:

13 m

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volume=1/2(b×h)×length/height

height =volume÷base area(1/2b×h)

832÷64=13m

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2 years ago
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