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35 votes
35 votes
An object has an initial velocity of 15 m/s. How long must it accelerate at a constant rate of 3. 0 m/s² before its final velocity is equal 30 m/s?.

User Shakira
by
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1 Answer

9 votes
9 votes

Answer: 5 sec

Step-by-step explanation:

30 = 15 + (3*t)

so, t=(30-15)÷3

= 5 sec

User Yaroslav Rogoza
by
3.4k points