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Mariana [72]
2 years ago
15

Sam travels west for 30 kilometers, then turns south and travels another 45 kilometers. What is Sam's displacement from his orig

inal position? Round to the nearest whole number. *
a)54 kilometers b)45 kilometers c)75 kilometers d)15 kilometers​
Physics
1 answer:
Gre4nikov [31]2 years ago
7 0

Answer: C ) 75 kilometers

Explanation: 30 + 45 = 75

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Amanda [17]

Answer:

The correct choice is A. Yes, the more exercise the better.

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2 years ago
Find the ratio of the new/old periods of a pendulum if the pendulum were transported from earth to the moon, where the accelerat
vichka [17]
The period of a pendulum is given by
T=2 \pi  \sqrt{ \frac{L}{g} }
where L is the pendulum length and g is the gravitational acceleration.

We can write down the ratio between the period of the pendulum on the Moon and on Earth by using this formula, and we find:
\frac{T_m}{T_e} =  \frac{2 \pi  \sqrt{ \frac{L}{g_m} } }{2 \pi  \sqrt{ \frac{L}{g_e} } }=    \sqrt{ \frac{g_e}{g_m} }
where the labels m and e refer to "Moon" and "Earth".

Since the gravitational acceleration on Earth is g_e = 9.81 m/s^2 while on the Moon is g_m=1.63 m/s^2, the ratio between the period on the Moon and on Earth is
\frac{T_m}{T_e}= \sqrt{ \frac{g_e}{g_m} }= \sqrt{ \frac{9.81 m/s^2}{1.63 m/s^2} }=2.45

3 0
3 years ago
I NEED HELP ASAP
34kurt
I think it’s gonna be b.
4 0
3 years ago
The table represents the speed of a car in a northern direction over several seconds. Column 1 would be on the x-axis, and Colum
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"The table represents the speed of a car in a northern direction over several seconds. Column 1 would be on the x-axis, and Column 2 would be on the y-axis."


typical plot is speed or velocity on the y-axis n time on the x-axis so the ans is Column 1 should be titled “Time,” and Column 2 should be titled “Velocity.”

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A.The swimmer pushes the water
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