2 years ago

1. What are the characteristics of winds?

Physics

1 answer:

goldenfox [79]2 years ago

8 0

Answer:

wind has two important things that is direction and speed.

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2 years ago

4) A racing car undergoing constant acceleration covers 140 m in 3.6 s. (a) If it’s moving at 53 m/s at the end of this interval

Scorpion4ik [409]

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given,

distance = 140 m

time, t = 3.6 s

moving speed = 53 m/s

a) distance = (average velocity) x time

$D = \dfrac{v_0 + v_1}{2}\times t$

$140 = \dfrac{v_0 + 53}{2}\times 3.6$

v₀ + 53 = 77.78

v₀ = 24.78 m/s or 25 m/s

b) $a = \dfrac{v-u}{t}$

$a = \dfrac{53-25}{3.6}$

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53² = 0²+ 2 x 7.8 x s

s = 180 m

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2 years ago