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mario62 [17]
3 years ago
12

A contestant in a winter games event pushes a rock across a frozen lake (frictionless) with a force of 25 N at 60° below the hor

izontal as shown in Figure (a) below. It moves with an acceleration of 0.5 m/s2 to the right. Calculate the mass of the rock in kg. Ignore Figure (b). b)​

Physics
1 answer:
Orlov [11]3 years ago
8 0
Text me! My number is (856)449-5259
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NEED HELP NOW!!! I WILL BRAINLIEST.
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Answer:

1. Carbon-12

2. Nitrogen-13

3. Carbon-13

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3 years ago
Perform the following mathematical operation and report answer to the correct number of significant figures 143.6 divided by 21.
Svetllana [295]

The answer to the correct number of significant figures is 6.774.

<h3>What is quotient?</h3>

When a number(big) divided smaller number, the answer obtained greater than zero is called a quotient.

Divide 143.6 ÷ 21.2

143.6/21.2 = 1436/212

                  =6.77358

The quotient is rounded to three significant figures after decimal

143.6 ÷ 21.2 = 6.774

Thus, the answer to the correct number of significant figures is 6.774

Learn more about quotient

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120Km. They are the same
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A box has a length of 18.1 cm and a width of 19.2cm tall ?
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