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Alexus [3.1K]
4 years ago
9

A car, starting from rest, travels 420 m. If the car takes 9.0 s

Physics
1 answer:
natka813 [3]4 years ago
8 0
Yea cs no lol B and B and B and
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Answer:

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You have two springs that are identical except that spring 1 is stiffer than spring 2, (k1 > k2). On which spring is more wor
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Answer:

Explanation:

Given

Two springs with spring constant k_1 and k_2

(a)If they are stretched using the same force

Force F=k_1x_1=k_2x_2

where x_1 and x_2 are the extension in the spring

so \frac{k_1}{k_2}=\frac{x_2}{x_1}

therefore x_2 > x_1

Work done is given by

W=F\cdot x

W_1=F\cdot x_1

W_2=F\cdot x_2

thus W_2 > W_1

(b)If they are stretched the same distance

\frac{F_1}{F_2}=\frac{k_1}{k_2}

Thus F_1 > F_2

For same extension, work done by Force 1 is more

W_1 > W_2    

6 0
4 years ago
Which of the following are likely to form a covalent bond?
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The pages of a book are numbered 1 to 200 and each
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