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Mademuasel [1]
3 years ago
15

If a sprinter has an average acceleration of 9.5 m/s2, how long does it take for the person to go from rest to 10 m/s

Physics
1 answer:
mojhsa [17]3 years ago
8 0

Answer:bruh Brandon I’m trying to get the answer I look it up on google and I see this I’m dead see you in 4th hour

Explanation:

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The pupil of your eye
Sav [38]

Answer:

What is the question?

Explanation:

If you tell me the question I can help.

3 0
3 years ago
A penny is dropped from the top of a building 290 m high. Ignoring air resistance, if
Kryger [21]

Answer:

1. Velocity = 75.39 m/s

2. Air resistance

3. Mass of the coin

Explanation:

1. Given that the height of the building is 290 m. From Newton's third law of motion,

V^{2} = U^{2} + 2gh

where: V is the final velocity of the coin, U is the initial velocity, g is the force of gravity and h is the height.

Since the coin was dropped from a height, its initial velocity is zero. The force of gravity is taken as 9.8 m/s^{2}, so that:

V^{2} = 0 + 2 x 9.8 x 290

   = 5684

V   = \sqrt{5684}

    = 75.3923

The velocity with which the coin hits the ground is 75.39 m/s.

2. Air resistance: During the free fall of the coin, the direction of wind flow could either cause an increase or decrease the value predicted.

ii. Mass of the coin: This can also affect the predicted value.

5 0
3 years ago
What is the formula of acceleration?
kobusy [5.1K]

Answer:

\overline{a} = \frac{v - v_0}{t} = \frac{\Delta v}{\Delta t}

\overline{a} = average acceleration

v = final velocity

v_0 = starting velocity

t = elapsed time

Explanation:

Please give me brainliest :)

5 0
2 years ago
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In Act III, Scene 1, who hears these words from Titania?
Firlakuza [10]
C. Bottom

Titania speaks these words as she is under the enchantment of the magic flower, it makes her fall in love with the first thing she sees. It's comedic because Bottom is also enchanted to have the head of a donkey, so she's claiming that this peasant with a donkey head is both wise and beautiful. The reality being that he is as wise as he is beautiful, in that he is neither beautiful nor wise.
4 0
3 years ago
Which statement is true about a polarized object?
8090 [49]

Answer: Option C: The number of positive and negative charges can be same.

A substance is said to be polarized when there is non-uniform distribution of electric charge. When there gain or loss of electrons, ions are formed. It is not necessary that polarized object is metal. For example, Water is polarized. The oxygen atoms have partial negative charge and hydrogen atoms have partial positive charge.

5 0
3 years ago
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