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4 years ago

8

Please help 25 points and brainliest

1 answer:

GREYUIT [131]4 years ago

7 0

No. Terrance cannot move the sled. This is because, the force that he produces is 80*3 Newton’s, which is only 240 Newton’s, but since the sled needs a force of 250 Newton’s, he cannot move the sled (even though the difference is only by 10 Newton’s).

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15.0 kg mass is displaced 3.00 m south and then 4.00 m west by a 10.0 N force. What is the total work done on the object?

masha68 [24]

<h2>Answer: D. 70.0 J</h2>

Explanation:

3.00 m + 4.00 m = 7.00 m x 10.0 N = 70.0 J

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3 years ago

What does the 2 mean in the formula 5Mg3(PO4)2?

stira [4]

D. There are two phosphate ions in a molecule of magnesium phosphate

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A 6.00-m long string sustains a three-loop standing wave pattern as shown. The wave speed is 2.00 × 102 m/s.What is the lowest p

KATRIN_1 [288]

Given:

The length of the string is l = 6 m

The speed of the wave is

$v=2\times10^2\text{ m/s}$

Required: Lowest possible frequency for the standing wave.

Explanation:

The lowest possible frequency is the fundamental frequency.

The fundamental frequency can be calculated by the formula

$f=\frac{v}{2l}$

On substituting the values, the fundamental frequency will be

$\begin{gathered} f=\frac{2\times10^2}{2\times6} \\ =16.67\text{ Hz} \end{gathered}$

Final Answer: The lowest possible frequency for standing waves on this string is 16.67 Hz

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2 years ago

An 6 kg object accelerating from 17 m/s to 10 m/s. What is the change in momentum of the object?

Oksana_A [137]

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3 years ago

What is the velocity of a car if it travels east 340 meters in 10 seconds? V = d/t

Nadya [2.5K]

Answer:

The awnser is d

Explanation:

i know cause i took the test

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