3 years ago

A single point on a distance time graph tells the

Physics

1 answer:

Sonbull [250]3 years ago

4 0

Answer: Instantaneous speed.

Explanation:

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vesna_86 [32]

80 meters should be it

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4 years ago

What happens when the moon travels between the earth and the sun, causing the sun to become obscured from view?

nadya68 [22]

<span>This is known as a "solar eclipse." The Moon partially or completely covers the Sun, leading to a rapidly moving shadow across the sunlit face of the Earth.</span>

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4 years ago

Are we really real or are we all an allusion?Do you believe in past lives?How do you think you died in past life?

OLEGan [10]

Answer:

I don't even know

Explanation:

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3 years ago

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A ball whirls around in a vertical circle at the end of a string. The other end of the string is fixed at the center of the circ

never [62]

Answer:

$T_b=m(g+\frac{v_b^2}{R})$

Explanation:

At the bottom the tension would be upwards and the weight downwards, their difference being the centripetal force. Taking the upwards direction as positive we then have:

$T_b-mg=F_{cp}=ma_{cp}=m\frac{v_b^2}{R}$

where we have used the equation for centripetal acceleration. Thus we have:

$T_b=m(g+\frac{v_b^2}{R})$

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3 years ago

What is the pH of a solution with a hydrogen ion concentration of 2.0x10^3.(Use 3 digits)

Luba_88 [7]

Answer:

2.70

Explanation:

pH = -log[H+]

pH = -log[2.0x10^-3]

pH = 2.70

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3 years ago