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liq [111]
3 years ago
9

What is the name of Newton's first law of motion? A. law of inertia B. law of acceleration C. law of objects at rest D. law of o

pposing forces
Physics
2 answers:
Ghella [55]3 years ago
8 0

the answer would be law of inertia

givi [52]3 years ago
3 0
The answer is a.......
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When an electric drill is used to bore a hole into a wooden beam, the user notices that the drill bit gets very hot.
Bess [88]
Wood is a bad conductor of heat. The drilling process involve heat generation between the drill and the wooden material that can not be dissipated away easily. With deep drilling the drill may get so hot that the chips come out in a state of smoking coal.<span>
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3 years ago
The atmosphere of earth does not escape into the space but remains attached to earth's surface why??
Alexeev081 [22]

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7 0
3 years ago
A force of 10 N causes a spring to extend by 20 mm. Find a) the spring constant of the spring in N/m b) the extension of the spr
suter [353]

(a) The spring constant is 500 N/m.

(b) The extension of the spring when 25 N force is applied is 0.05 m.

(c) The applied force to cause an extension of 5 mm is 2.5 N.

The given parameters:

  • Applied force, F = 10 N
  • Extension of the spring, x = 20 mm

The spring constant is calculated as follows;

F = kx\\\\k = \frac{F}{x} \\\\k = \frac{10}{20 \times 10^{-3}} \\\\k = 500 \ N/m

The extension of the spring when 25 N force is applied is calculated as follows;

F = kx\\\\x = \frac{F}{k} \\\\x = \frac{25}{500} \\\\x = 0.05 \ m

The applied force to cause an extension of 5 mm is calculated as follows;

F = kx\\\\F = 500 \times 5 \times 10^{-3}\\\\F = 2.5 \ N

Learn more about Hook's law here: brainly.com/question/12253978

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2 years ago
1. A pendulum is 0.25 m long. What is the frequency of its oscillations?<br> How do you solve this
lidiya [134]

Answer:

hi

Explanation:

hi

4 0
2 years ago
What is the difference between regional metamorphism and contact metamorphism?
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Contact metamorphism<span> is a type of </span>metamorphism<span> where rock minerals and texture are changed, mainly by heat, due to </span>contact<span> with magma. </span>Regional metamorphism<span> is a type of </span>metamorphism<span> where rock minerals and texture are changed by heat and pressure over a wide area or region.</span>
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