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Bumek [7]
3 years ago
9

Newton's universal law of gravitation says that every object exerts a force on another object. The shuttle has a gravitational f

orce with Earth, the moon, and whatever planet it is near. This force prevents the shuttle from drifting.
Question 1 options:
True
False
Physics
1 answer:
Gemiola [76]3 years ago
7 0
The correct answer is true
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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
A car accelerates from 30 m/s to 50 m/s in 2 seconds. Calculate the cars acceleration
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Answer:

applying 1st eq of motion vf=vi+at we have to find a=vf-vi/t here a=50-30/2=10 so we got a=10m/s²

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HEELLPPPP All of the following are major parts of the earth's interior except? core asthenosphere stratosphere mantle
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<span>1. 10x
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Which picture represents 2NO2?
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A book is pushed across the table by a student. The student stops pushing on the book and the book slows down and stops. The for
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A. inertia 

Because it has to do with the motion of something, especially if it changes its pace. In this example, the book's motion, when sliding on the table, decreased because of less force being given off from the student. 
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