7millereli 7millereli

14-01-2020
Physics

contestada

A car traveling at a speed of 30.0 m/s encounters an emergency and comes to a complete stop. how much time will it take for the car to stop if it decelerates at -4.0 m/s2

Respuesta :

Chelboy Chelboy

14-01-2020

Answer:7.5seconds

Explanation:

V=0 u=30m/s a=-4m/s^2

t=(v-u)/a

t=(0-30)/-4=-30/-4

t=7.5second

Answer Link

Otras preguntas

About 6/8 of the earths surface is covered by water. About what fraction of the earths surface is not covered by water?

name 3 characteristics of sexual reproduction and 3 characteristics of asexual reproduction

What division problem gets you the answer of PI?

Why is the equation incorrect? Mg₃ + N₂ → Mg₃N₂ (A) Some of the subscripts are incorrectly used. (B) The equation is not balanced. (C) The valence of the n

What Is a biotic factor?

how do I round 5.673839 to the nearest 100th

5a+2a(5+—b)= please i need help

Write an equivalent expression for 60 + 45

Which structural adaptation would help a plant survive better in a shady environment? A. thorns B. small leaves C. large leaves D. brightly colored flowers

A 15 cm3 block of gold weighs 2.8 N. It is carefully submerged in a tank of mercury. One cm3 of mercury weighs 0.13 N. a. Will the mercury be displaced by the g