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marusya05 [52]
3 years ago
12

An 1800-kg car has an acceleration of 3.8 m/s2. What is the force acting on the car?

Physics
2 answers:
Elina [12.6K]3 years ago
4 0

Answer:

F = ma

F = (1800 kg)(3.8 m/s2 )

F = 6840 kg m/s2 = 6800 N

Scorpion4ik [409]3 years ago
4 0

given

mass = 1800 kg

acceleration = 3.8m/s.s

force = m × a

= 1800 × 3.8

= 6840 N

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You are in Paris, 60 m up in the Eiffel Tower. If you throw a euro downward at a velocity of 2.0 m/s, how long would it take the
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Answer:

t = 3.29 seconds

Explanation:

It is given that,

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It will move under the action of gravity in the downward direction. Firstly, we can find the final velocity as follows :

v^2-u^2=2ad\\\\v=\sqrt{u^2+2ad} \\\\v=\sqrt{(2)^2+2\times 9.81\times 60} \\\\v=34.36\ m/s

Let t is the time taken by the euro to hit the ground. It can be calculated as :

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3 years ago
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Answer:

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Explanation:

<u>Temperature Units Conversion </u>

The conversion formula between Celsius and Fahrenheit temperature scales is well-known. But we'll use the provided data to derive the formula. Let's model the relationship between Fahrenheit (F) and Celsius (C) as a linear function like

F=mC+b

Where m and b must be computed according to the pair of conditions given. The values for each temperature scale are (C,F)=(0,32) and (100,212). Replacing the first value

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It means that  

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By using the second point

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Simplifying

\displaystyle m=\frac{9}{5}

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\displaystyle F=\frac{9}{5}C+32

Which is the widely known formula for temperature conversion

Solving for C, we get the inverse relation

\boxed{\displaystyle C=\frac{5}{9}(F-32)}

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