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2 years ago

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A car starts at 25 m/s and then slows down at 13 m/s in 5 seconds. What is the acceleration of the car? What does the accelerati

on indicate?

1 answer:

jek_recluse [69]2 years ago

5 0

Answer:

a=2.4m/s^2

Explanation:

Use V=vi+at

So, 13=25+a5

13-25=a5

$\frac{-12}{5}$ =a

a=2.4m/s^2

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A wire 3.22 m long and 7.32 mm in diameter has a resistance of 11.9 mΩ. A potential difference of 33.7 V is applied between the

Scorpion4ik [409]

Answer:

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Resistance $R=11.9mohm=11.9\times 10^{-3}ohm$

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$J=\frac{2831.93}{4.20\times 10^{-5}}=8.40A/m^2$

(c) Resistance is equal to

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$\rho =15.52\times 10^{-9}ohm-m$

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Let's reduce the magnitudes to the SI system

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