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mamaluj [8]
3 years ago
5

a car traveling at 30m/s notices an accident about 65m up the road. The car's brakes are capable of decelerating at a rate of 6.

4m/s2. Can the car stop before hitting the accident?
Physics
1 answer:
uysha [10]3 years ago
4 0
Yes because you would have at least 3 car spaces
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A football is thrown horizontally with an initial velocity of (16.6 m/s)x^. ignoring air resistance, the average acceleration of
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Solution:

According to the equations for 1-D kinematics. The only change to them is that instead one equation that describes general motion.

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v_f=v_o + at ……..(a)

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Now ,

Initially, there was y velocity, however gravity began to act on the football, causing it to accelerate.  

Applying this value in equation (a)  

v_yf = at = -9.81 m/s^s * 1.75 = -17.165 m/s in the y direction  

For calculating the magnitude of the equation we have to square root the given value

         (16.6i - 17.165y)  

\\ \left | V  \right |=sqrt{16.6^{2}+17.165^{2}}\\ = \sqrt{275.56+294.637225}\\= \sqrt{570.197225}\\= 23.87[/tex]

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What is the difference between melting point and boiling point?
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