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NikAS [45]
3 years ago
10

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

n 2 would be on the y-axis. Which best lists the titles of each column? Column 1 should be titled “Time,” and Column 2 should be titled “Velocity.” Column 1 should be titled “Velocity,” and Column 2 should be titled “Time.” Column 1 should be titled “Time,” and Column 2 should be titled “Acceleration.” Column 1 should be titled “Acceleration,” and Column 2 should be titled “Time.”
Physics
2 answers:
MAVERICK [17]3 years ago
8 0

The question said "The table represents the speed of a car in a northern direction..." Speed plus direction (north) means it is the velocity of a car. So the table shows velocity at different times.

As Column 1 would be on the x-axis, the time is at Column 1.


The answer is  Column 1 should be titled “Time,” and Column 2 should be titled “Velocity.”

TEA [102]3 years ago
7 0

"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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mamaluj [8]

Answer: 3217.79 hours.

Explanation:

Given, A 140 lb. climber saved her potential energy as she descended from Mt. Everest (Elev. 29,029 ft) to Kathmandu (Elev. 4,600 ft).

Power = 0.4 watt

Mass of climber = 140 lb

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Let h_1=29,029\ ft= 8848.04\ m\ \ \ \  [ 1 ft=0.3048\ m ] and h_2= 4,600 ft = 1402.08\ m

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\text{Power}=\dfrac{\text{energy}}{\text{time}}\\\\\Rightarrow 0.4=\dfrac{4633620.91}{\text{time}}\\\\\Rightarrow\ \text{time}=\dfrac{4633620.91}{0.4}\approx11584052.28\text{ seconds}\\\\=\dfrac{11584052.28}{3600}\text{ hours}\ \ \ [\text{1 hour = 3600 seconds}]\\\\=3217.79\text{ hours}

Hence, she can power her 0.4 watt flashlight for 3217.79 hours.

5 0
3 years ago
A bag of sugar weighs 5.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixt
gizmo_the_mogwai [7]

Answer:

Earth: 22.246 N

Moon: 3.71 N

Jupiter: 58.72 N

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The mass of an object will remain constant in any location, its weight however, can fluctuate depending on its location. For example, a golf ball will weigh less on the moon, but its mass will not be different if it was on earth.

To calculate anything, we need to convert to standard measurements.

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On earth, gravity is measured to be 9.8 m/s², so the weight in Newtons on Earth would be: (2.27 kg) x (9.8 m/s²) = 22.246 N

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Repeated on Jupiter where gravity is (9.8 m/s²) x (2.64) = 25.87 m/s², so the wight in Newtons on Jupiter would be: (2.27 kg) x (25.87 m/s²) = 58.72 N

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3 years ago
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