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Paraphin [41]
3 years ago
8

A car is moving South at a constant speed of 60 miles per hour. The force of the

Physics
1 answer:
Anastaziya [24]3 years ago
6 0

Answer: 750 N

Explanation:

The net force is 1200 - 450 = 750 N

As we are told the speed is constant, then this force must be increasing the car's potential energy by climbing a hill.

F = mgsinθ

If we knew the car mass, we could find the hill slope angle.

If we knew the hill slope angle, we could find the car mass.

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Tabitha knows the redshift value of a particular celestial object. What can she use this information most directly to find out?
AlekseyPX

She can use the information of redshift of a celestial body is to find the age and distance of the object.

<h3>What is red shift?</h3>

'Red shift' is a critical idea for astronomers. The frequency of the light is increased, so the light is observed as moving towards the red side of the range.

Tabitha knows the redshift value of a particular celestial object. She uses this information to observe the consequence of the redshift.

Thus, the red shift value is used to determine the age and distance of the object.

Learn more about red shift.

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2 years ago
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Answer:

the lever in which the fulcrum lies in middle is first

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4 years ago
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How many neutrons does element X have if its atomic number is 48 and its mass number is 167?
Black_prince [1.1K]
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4 years ago
These show how something works that can't be seen
Wewaii [24]
The answer is cells.
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3 years ago
What is the speed of a car going v=1.000mph in SI units? Notice that you will need to change from miles to meters and from hours
Paha777 [63]

Answer: speed = 446.4m/s

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5 0
3 years ago
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