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sveta [45]
3 years ago
11

Three taxi cabs make a complete trip from downtown to the airport and back in 15 , 33 and 55 minutes, respectively. If all three

cabs leave at the same time, what is the shortest time that must pass before they are all together again?
Physics
1 answer:
ludmilkaskok [199]3 years ago
3 0

Answer:

165 minutes

Explanation:

We can break the numbers into prime numbers

15 = 3 * 5

33 = 3 * 11

55 = 5 * 11

The shortest time that must pass before they are all together again would be the least multiple that is divisible by all 3 number, which is

3 * 5 * 11 = 165

Hence after 165 minutes the 3 cars should all meet together again.

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A student who takes a multiple-choice test by reading the stem of each item, generating the correct response before looking at t
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5 0
3 years ago
How much heat is lost by 2.0 grams of water if the temperature drops from 31 °C to 29 °C? The specific heat of water is 4.184 J/
Elanso [62]

Given :

Mass of water, m = 2 grams.

The temperature of water drops from 31 °C to 29 °C .

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Amount of heat lost in this process.

Solution :

We know, heat lost is given by :

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