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marta [7]
4 years ago
9

Calculate time period of a simple pendulum if it takes 72 seconds to complete 24 oscillations

Physics
1 answer:
kipiarov [429]4 years ago
8 0

72s for 24 complete oscillations.

Thus, a complete oscillation takes 72/24=3s

Answer: period T=3s

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Write a main idea statement about the nervous system.
Alisiya [41]

Answer:

The nervous system is the major controlling, regulatory, and communicating system in the body. It is the center of all mental activity including thought, learning, and memory. Together with the endocrine system, the nervous system is responsible for regulating and maintaining homeostasis.

Explanation:

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3 years ago
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A runaway railroad car, with mass 30x10^4 kg, coasts across a level track at 2.0 m/s when it collides with a spring loaded bumpe
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Answer:

0.775 m

Explanation:

As the car collides with the bumper, all the kinetic energy of the car (K) is converted into elastic potential energy of the bumper (U):

U=K\\frac{1}{2}kx^2 = \frac{1}{2}mv^2

where we have

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Solving for x, we find the maximum compression of the spring:

x=\sqrt{\frac{mv^2}{k}}=\sqrt{\frac{(30\cdot 10^4 kg)(2.0 m/s)^2}{2\cdot 10^6 N/m}}=0.775 m

8 0
3 years ago
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A cyclist turns a corner with a radius of 50m at a speed of 10m/s. What is the cyclist's acceleration?
garri49 [273]

Answer:

2 m/s^2

Explanation:

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Leave a like and mark brainliest if this helped

Leave a like and mark brainliest if this helped

5 0
3 years ago
Which famous scientist is credited as the founder of the scientific method?
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Aristotle created and it’s credited as the creator.
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3 years ago
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Answer:

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F = ma

40 = 7.44 * a         a = 5.38 m/s^2

6 0
2 years ago
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