3 years ago

Which two factors affect the size of the gravitational field?

Physics

1 answer:

aliina [53]3 years ago

8 0

Answer:

Explanation:

mass and distance

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A(n) 93 kg clock initially at rest on a horizontal floor requires a(n) 617 N horizontal force to set it in motion. After the clo

Viefleur [7K]

Answer:

$\mu_s = 0.676$

Explanation:

As we know that the force required to move the clock from rest position must be equal to the maximum limiting friction

So we will have

$F = F_f$

now we know that

$F_f = \mu_s Mg$

here we will have

$F = 617 N$

$m = 93 kg$

now from above formula we will have

$617 = \mu_s (93)(9.81)$

$\mu_s = 0.676$

5 0

3 years ago

A block of 1 kg with a speed 1 m/s hits a spring placed horizontally as shown in the figure. If spring constant is 1000 N/m, fin

Evgen [1.6K]

Answer:

0.0316 m

Explanation:

Wok done = Energy change

Work done on the spring = Energy change of the block

Elastic Potential stored = Kinetic energy of the block

$\frac{1}{2} kx^{2} = \frac{1}{2} mv^{2}$

x = $\sqrt{v^{2}\frac{m}{k} }$

x = $\sqrt{1^{2}\frac{1}{1000} }$

x = 0.0316 m

k = spring constant

m = mass of block

v = velocity of the block

x = compression of spring

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3 years ago

Identify solar, wind, nuclear, and tidal power as nonrenewable or renewable energy

Nostrana [21]

Answer:

Renewable energy: Tidal, solar and wind

Non renewable energy: nuclear power

Explanation:

Renewable energy is any energy in which its source is always replenished or renewed.

While non renewable energy sources cannot be replenished or renewed immediately because of its limited availability of resources.

Most renewable energy sources are natural sources.

Solar, tidal and wind energy are renewable energy known as clean energy. While nuclear energy is a non renewable energy in which its source of energy is fuel ( uranium e.t.c)

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3 years ago

Find the vector parallel to the resultant of the vector A=i +4j-2k and B=3i-5j+k

Zinaida [17]

Answer:

2008

Explanation:

2000+3+5======2008

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3 years ago

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What r photons? <br> ........................,........,..........

AVprozaik [17]

Answer:

in physics, a photon is a bundle of electromagnetic energy. It is the basic unit that makes up all light

Explanation:

6 0

3 years ago

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