Q27) A racing car can be slowed with a deceleration of - 11 m/s?. If it is moving with 55 m/s how for

will it travel to stop, express your answer in scientific notation?

a) 2.4 x10 m

b) 4.1 x10 m

C) 1.4

102 m

d) 3.2 10m

Question

Harris

Physics

20 December, 19:08

Q27) A racing car can be slowed with a deceleration of - 11 m/s?. If it is moving with 55 m/s how for

will it travel to stop, express your answer in scientific notation?

a) 2.4 x10 m

b) 4.1 x10 m

C) 1.4

102 m

d) 3.2 10m

+1

Answers (1)

Know the Answer?

Trinity Decker · Answer 1

C

Explanation:

We know, v^2 = u^2 + 2as

Putting in the values, we get,

0^2 = 55^2 + (2 * (-11) * s)

22s = 3025

s = 137.5 = 1.375 * 10^2 ≈ 1.4 * 10^2

Q27) A racing car can be slowed with a deceleration of - 11 m/s?. If it is moving with 55 m/s how forwill it travel to stop, express your answer in scientific notation?a) 2.4 x10 mb) 4.1 x10 mC) 1.4102 md) 3.2 10m

Q27) A racing car can be slowed with a deceleration of - 11 m/s?. If it is moving with 55 m/s how for

will it travel to stop, express your answer in scientific notation?

a) 2.4 x10 m

b) 4.1 x10 m

C) 1.4

102 m

d) 3.2 10m