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taurus [48]
3 years ago
10

1. An MR-2 starts from rest and accelerates westward to a speed of 27 m/s in

Physics
1 answer:
dangina [55]3 years ago
8 0

Answer:

a) 2.28 m/s²

b) 159.86 m

Explanation:

<u>Part A:</u>

u = 0 m/s

v = 27 m/s

t = 11.8 seconds

a = ?

<u>Formula:</u>

v = u + at

=> 27 = 0 + a(11.8)

=> 27 = a(11.8)

=> a(11.8) = 27

=> a = 27/11.8

=> a = 2.28 m/s²

<u>Part B:</u>

s = ?

<u>Formula:</u>

s = (v² - u²)/2a

s = (27² - 0²) /2(2.28)

  = 729/4.56

  = 159.86 m

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