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Gekata [30.6K]
3 years ago
12

Which statement describes the relationship between gravitational force and strong nuclear force? (2 points) Select one: a. Stron

g nuclear force is the stronger force; it is related to weight. b. Gravity is the weaker force; it is related to mass. c. Strong nuclear force is the weaker force; it is related to size. d. Gravity is the stronger force; it is not related to weight.
Physics
2 answers:
Tamiku [17]3 years ago
6 0

Answer:

b. Gravity is the weaker force; it is related to mass.

Explanation:

Gravity is the force of gravitational attraction of earth on all objects near its surface

This force on all objects depends on the mass of the objects

This force is given by

F = \frac{GMm}{r^2}

F = mg

so here it is a weak force as it depends on mass and acceleration due to gravity while strong nuclear force is independent of mass and it only depends on the distance between the nuclei.

So as we will change the distance between the nuclei the force between them will change

So here correct answer is

b. Gravity is the weaker force; it is related to mass.

White raven [17]3 years ago
6 0

Answer:

d

Explanation:

because I am in college

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dimaraw [331]

The calculated coefficient of kinetic friction is 0.33125.'

The rate of kinetic friction the friction force to normal force ratio experienced by a body moving on a dry, uneven surface is known as k. The friction coefficient is the ratio of the normal force pressing two surfaces together to the frictional force preventing motion between them. Typically, it is represented by the Greek letter mu (). In terms of math, is equal to F/N, where F stands for frictional force and N for normal force.

given mass of the block=10 kg

spring constant k= 2250 Nm

now according to principal of conservation of energy we observe,

the energy possessed by the block initially is reduced by the friction between the points B and C and rest is used up in work done by the spring.

mgh= μ (mgl) +1/2 kx²

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μ(600) =300 - 101.25

μ = 198.75÷600

μ =0.33125

The complete question is- A 10.0−kg block is released from rest at point A in Fig The track is frictionless except for the portion between point B and C, which has a length of 6.00m the block travels down the track, hits a spring of force constant 2250N/m, and compresses the spring 0.300m form its equilibrium position before coming to rest momentarily. Determine the coefficient of kinetic friction between the block and the rough surface between point Band (C)

Learn more about kinetic friction here-

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The water tank for a block of flats is in the roof space above the tenth floor. The owner of a flat on the ground floor can only
horrorfan [7]
The Pony Express
Chapter 1
At A Nation's Crisis
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Adontic coost and the Pacific slope ten days nearer to each other.
It had a brief existence of only sixteen months and was supplanted by the transcontinental telegraph. Yet it was of the greatest importance in
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communication of news between these sections an imperative necessity.
The Pony Express marked the highest development in overland travel prior to the coming of the Pacific railroad, which it preceded nine years.
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Read this line from the Pony Express excerpt
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3 years ago
What does the dashes line represent
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3 years ago
5. What's the temperature -10°C in kelvins? ​
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Answer:

263.15

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An irregular object of mass 3 kg rotates about an axis, about which it has a radius of gyration of 0.2 m, with an angular accele
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Answer:

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