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Damm [24]
4 years ago
12

A centripetal force is a _____ force.

Physics
2 answers:
zepelin [54]4 years ago
7 0
I think C nuclear force but not sure though
aliina [53]4 years ago
4 0
I'd Say the answer is B)
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How many newtons does a 5-kg backpack weigh on Earth?
zvonat [6]
A 5kg backpack will weigh 49 newtons on earth
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3 years ago
An ant is crawling along a yardstick that is pointed with the 0-inch mark to the east and the 36-inch mark to the west. It start
drek231 [11]

The total distance that is traveled is 12 inches.

<h3>What is the distance?</h3>

We know that distance is a scalar quantity. The term distance only has to do with the difference between two points. The direction is not taken into cognizance when we are discussing the distance that has been covered.

As we have said that distance is a scalar quantity, it the follows that the process of obtaining the total distance can only be algebraic given that we could directly add all the distance covered by the ant in order to obtain the total distance of the ant.

Now, we can see that the ant starts at the 17-inch mark, crawls to the 21-inch mark, then moves to the 8-inch mark. The total distance covered is obtained from; (21 - 17) + 8 = 12 inches.

Learn more about distance:brainly.com/question/15172156

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6 0
2 years ago
A satellite orbits the Earth in the same direction it rotates in a circular orbit above the equator a distance of 250 km from th
UkoKoshka [18]

Answer:

Clock on the satellite is slower than the one present on the earth = 29.376 s

Given:

Distance of satellite from the surface, d = 250 km

Explanation:

Here, the satellite orbits the earth in circular motion, thus the necessary centripetal force is provided by the gravitation force and is given by:

\frac{mv^{2}}{R} = \frac{GMm}{R^{2}}

where

v =  velocity of the satellite

R = radius of the earth = 6350 km = 6350000 m

G = gravitational constant = 6.674\times 10^{- 11} m^{3}/ks-s^{2}

M = mass of earth = 5.972\times 10^{24} kg

Therefore, the above eqn can be written as:

v = \sqrt{\frac{GM}{R}}

Now, for relativistic effects:

\frac{v}{c} = \sqrt{\frac{GM}{Rc^{2}}} = 26.41\times 10^{- 6}

Now,

r = R + 250

\frac{v_{surface}}{c} = {\frac{1}{c}\frac{2\pi R}{24} = 1.54\times 10^{-6}

Ratio of rate of satellite clock to surface clock:

\frac{\sqrt{1 - \frac{v^{2}}{c^{2}}}}{\sqrt{1 - \frac{v_{surface}^{2}}{c^{2}}}} = 3.43\times 10^{-10}

Clock on the satellite is slower than the one present on the earth:

3.43\times 10^{-10}\times 24\times 3600 = 29.376 s

4 0
3 years ago
Based on molecular orbital theory, the only molecule in the list below that has unpaired electrons is ________.
xenn [34]
The answer is Radicals.
6 0
2 years ago
A parallel combination of resistors is better than series combination of resistors'. Justify the statement with an example.​
kati45 [8]

Answer:

Parallel connection is better

Explanation:

Because the voltage across each appliance connected in parallel is same that means if a number of bulbs are connected in parallel then irrespective of the number no bulb will get dim, but in series as the number of bulbs increase the resistance increase voltage

4 0
3 years ago
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