neupanek434 neupanek434

13-06-2022
Chemistry

contestada

help me please urgently needed

help me please urgently needed class=

Respuesta :

13-06-2022

Answer:

(i)

(ii) 10s

Explanation:

u=144km/h=(144× 5/18) m/s=40m/s

v=0

s=200m

By third equation of motion, v ²= u²+ 2as

0=(40)²+ 2a(200)

−1600=400a

a=−4m/s²

Now, by first equation of motion, v=u+at

0=40+(−4)(t)

−40=−4t

t=10sec

Answer Link

Otras preguntas

what is .4444444 in fraction form?

What are the Quack Reformers?

what is the distance between (5,10) and (5,2)?

the capacity of a container is 2060 milliliters. convert this to liters

for every 14 ice-cream cones you buy, you get 2 free. how many free ice-cream cones will you get if you buy 56 cones?

how did great britain respond to the boston tea party?

Based on the assumptions described in the Background why might the mark and recapture method of population estimation be more accurate in the lake setting that

Write a paragraph describing a holiday you invent that can be celebrated with your family and friends. Identify the reasons for the holiday and why it is import

Fossil evidence, rocks, and the shape of continents provide support for the theory of earthquakes plate tectonics mountain range formation continental shape

select a topic that is relevant to the colonial era and the age of reason