A car accelerates at a rate of 2.0 m/s2. If its original speed is 8.0 m/s, how many seconds will it take the car to reach a final speed of 28.0 m/s?

Explanation:

Given:

Initial Velocity = = 8.0 m/s

Final Speed = = 28.0 m/s

Acceleration = a = ?

Required:

Time = t = ?

Formula:

Solution:

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find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

distance = 150m

displ = root (50 ^2 + 100^2)

root(2500+10000)

root 125000