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diamong [38]
2 years ago
8

Which of the following statements are safety guidelines that must be followed during this lab? Check all that apply.

Biology
2 answers:
Ymorist [56]2 years ago
6 0

Answer:

The first three are the correct choices. The last is wrong

Explanation:

Hope this helped Mark BRAINLEST!

iris [78.8K]2 years ago
4 0

Answer:

correct answer below

Explanation:

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Scilla [17]

Answer:

ME = 20 * m, where m is the mass of the pendulum

Explanation:

As we know that mechanical energy is the sum of kinetic energy and potential energy.

Since the Pendulum at its highest point has zero velocity, its kinetic energy at this point is equal to zero.

Thus, here in this mechanical energy will be equal to the potential energy only.

Potential energy is equal to the product of gravity constant, mass of the body and the height of the pendulum

Thus,

ME = PE\\

PE = m * g* h\\PE = 10 * 2* m\\

PE= 20m

Hence,

ME = 20 * m

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