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kari74 [83]
3 years ago
12

Which of the following are equivalent units?

Physics
1 answer:
ratelena [41]3 years ago
5 0

Answer:

B is the correct answer

Explanation:

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A water balloon is dropped out of a fifth floor window and hits an unsuspecting person below 4.0 seconds later. The window is ap
andrew11 [14]

Answer:

80 meters high

Explanation:

The velocity of the balloon would be g*t (I won't calculate, but will us this later)

We know that the kinetic energy at the bottom equals the potential at the top.

KE = PE

1/2 * m * v^2 = m * g * h

1/2 * m * (g * t)^2 = m * g * h (substitution)

1/2 * m * g^2 * t^2 = m * g * h

1/2 * g * t^2 = h (simplification by dividing the commons between both sides)

h = 1/2 * 9.81 * 4^2

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3 years ago
Which of the following most likely happens when the temperature of a chemical reaction is increased?
Diano4ka-milaya [45]
Molecules Speed Up because the other three options only occur when the temperature is decreased.
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Trong máy phát điện xoay chiều ba pha khi tổng điện áp tức thời của cuộn 1,2 là e1+e2=120V thì điện áp tức thời của cuộn 3 là
NARA [144]

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I just noticd i dont speak this launguage

Explanation:

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