Question

10. What is the acceleration of the object at 2

seconds?
a. O m/s2
b. 2 m/s2
C. 4 m/s2
d. 8 m/s2

Answer 1

As we know,

• 
  `a = (v - u)/(t)`
• 
  `a = (4 - 2)/(2 - 1)`
• 
  `(2)/(1)`
• 
  `2 \: \: m {s}^( - 2)`

Answer 2

Answer: B

Explanation: Becuase 2 seconds= 2ms a 2 mitler second delay!