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3241004551 [841]
3 years ago
15

How fast is a car going if its mass is 1000 kg and the force acting on it is 154 N?

Mathematics
1 answer:
Phoenix [80]3 years ago
3 0

Answer:

Only external forces affect the motion of a system, according to Newton's first law. ... force applied to a car produces a much smaller acceleration than when ... Newton's second law states that a net force on an object is responsible for its ... A 1.0-kg mass thus has a weight of 9.8 N on Earth and only about 1.7 N on the Moon.

Step-by-step explanation:

Only external forces affect the motion of a system, according to Newton's first law. ... force applied to a car produces a much smaller acceleration than when ... Newton's second law states that a net force on an object is responsible for its ... A 1.0-kg mass thus has a weight of 9.8 N on Earth and only about 1.7 N on the Moon.

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About how far does the flag have to travel to complete full rotation?1. 37.68 ft2. 75.36 ft3. 150.72 ft4. 452.16 ftPlease explai
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Due to the circular shape, one complete rotation of the flag is equal to the circumference of a circle with radius 12 ft.

Then, use the following formula for the cirumference:

C = 2π·r

where r is the radius. In this case, r = 12 ft and π = 3.14. Replace the previous values into the formula for C:

C = 2(3.14)(12 ft)

C = 75.36 ft

Hence, the flag has to travel 75.36 ft to complete a full rotation

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Rhianna is building a rectangular pyramid for a science fair project.
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3 years ago
1. The hypotenuse of a right triangle measures 2 sqrt 15 centimeters and its shorter leg measures 2 sqrt 6
Dominik [7]

Answer:

<h2>50.8°</h2>

Step-by-step explanation:

First, we need to use the Pythagorean Theorem to find the third side. We will then use the law of cosines to find the angle.

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Now, that we have all three sides, we will use the law of cosines to figure out the angle.

c² = a² + b² - 2abCosC°

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Subtract 84

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0.63241106719 = CosC°

Arccos (0.63241106719) = 50.77176844°

The largest acute angle is approximately 50.8°

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