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3 years ago

9

Gravitational force between two objects depends on:

2 answers:

Katarina [22]3 years ago

5 0

Answer:

mass and the distance between them

Explanation:

The force of gravity between two objects depends on mass and distance between them.

Ulleksa [173]3 years ago

4 0

The strength of the gravitational force between two objects depends on two<span> factors, mass and distance. the </span>force<span> of </span>gravity<span> the masses exert on each other. If one of the masses is doubled, the </span>force<span> of </span>gravity between<span> the </span>objects<span> is doubled. thats what i got..</span>

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The answer is D.An ice cube melts when a person holds it in his hand
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3 years ago

Read 2 more answers

A bead slides without friction around a loopthe-loop. The bead is released from a height 21.9 m from the bottom of the loop-the-

wariber [46]

Answer:

Part a)

$v = 12.45 m/s$

Part B)

$F_n = 0.05 N$

Explanation:

Part A)

As we know that the point A lies on the top of the loop

so we will have by energy conservation

$mgH = \frac{1}{2}mv^2 + mg(2R)$

so the speed at point A is given as

$mg(H - 2R) = \frac{1}{2}mv^2$

$v = \sqrt{2g(H - 2R)}$

$v = \sqrt{2(9.81)(21.9 - 2\times 7)}$

$v = 12.45 m/s$

Part B)

Now the force equation at point A is given as

$F_n + mg = \frac{mv^2}{R}$

$F_n = \frac{mv^2}{R} - mg$ [/tex]

$F_n = 0.004(\frac{12.45^2}{7} - 9.81)$

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3 years ago

A car is traveling at 20 km in 15 minutes. What is its average velocity

yarga [219]

The velocity is 4374.45 m/s.
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2 years ago

300,000,000m/s × 2 = —— m

nekit [7.7K]

Answer:

6 x 10⁸ m

Explanation:

300,000,000 m/s x 2 s

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2 years ago

Shane is riding his bike at a speed of 10m/s. He isn't watching carefully where he is going and almost hit a tree. He abruptl

Rom4ik [11]

Answer:

2.5m/s²

Explanation:

a = v/t

Where;

V = velocity (m/s)

a = acceleration (m/s²)

t = time (s).

According to the information provided in this question,

a = ?

v = 10m/s

t = 4

a = 10/4

a = 2.5m/s²

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2 years ago