Engineering Board Exam Reviewer · Engineering Mechanics · easy

A car starts with an initial velocity of 8 m/s and accelerates uniformly at 5 m/s2 for 6 seconds. What is its final velocity?

  1. 38
  2. 240
  3. 13
  4. 30

Answer

A. 38

Solution

v = v0 + at = 8 + (5)(6) = 38 m/s.

More Engineering Mechanics questions

  1. A projectile is launched with an initial speed of 24 m/s at an angle of 35° above the horizontal. Neglecting air resistance, what is its…
  2. An object is dropped from rest from a height of 26 m. Neglecting air resistance, how long does it take to hit the ground? (g = 9.81 m/s2)
  3. A particle starts with an initial velocity of 6 m/s and a constant acceleration of 2.5 m/s2. What distance does it travel in 6 seconds?
  4. A car starts with an initial velocity of 7 m/s and accelerates uniformly at 4 m/s2 for 5 seconds. What is its final velocity?
  5. A projectile is launched with an initial speed of 22 m/s at an angle of 30° above the horizontal. Neglecting air resistance, what is its…
  6. An object is dropped from rest from a height of 23 m. Neglecting air resistance, how long does it take to hit the ground? (g = 9.81 m/s2)
  7. A particle starts with an initial velocity of 5 m/s and a constant acceleration of 2 m/s2. What distance does it travel in 5 seconds?
  8. A car starts with an initial velocity of 6 m/s and accelerates uniformly at 3 m/s2 for 4 seconds. What is its final velocity?
  9. A projectile is launched with an initial speed of 20 m/s at an angle of 25° above the horizontal. Neglecting air resistance, what is its…
  10. An object is dropped from rest from a height of 20 m. Neglecting air resistance, how long does it take to hit the ground? (g = 9.81 m/s2)

All Engineering Mechanics Reviewer questions