Equations of Motion (by Graphical Method) MCQs
Practice Equations of Motion (by Graphical Method) multiple-choice questions from Motion (Class 9 Science) - tap an answer for instant feedback and a step-by-step solution. Practice the full set free on the RankByte app.
Equations of Motion (by Graphical Method)Quiz - Solve & Score
Q1. Pulling away from a kerb, a tram already moving at 7 m/s picks up speed at a steady 1.4 m/s^2; what reading does its speedometer show 5 s later?
- A.42 m/s
- B.8.4 m/s
- C.7 m/s
- D.14 m/s
Answer: D. 14 m/s
v = u + at = 7 + 1.4*5 = 14 m/s.
Q2. A go-kart, gliding at 6 m/s, is given a constant push that adds 3 m/s^2 every second; after 4 s what is its speed?
- A.9 m/s
- B.18 m/s
- C.54 m/s
- D.12 m/s
Answer: B. 18 m/s
v = u + at = 6 + 3*4 = 18 m/s.
Q3. Set rolling at 3 m/s, a barge gains velocity uniformly at 0.8 m/s^2; what velocity has it built up by the end of 10 s?
- A.8 m/s
- B.3.8 m/s
- C.83 m/s
- D.11 m/s
Answer: D. 11 m/s
v = u + at = 3 + 0.8*10 = 11 m/s.
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