The displacement of a body at any time t after starting is given by s = 15t – 0.4t2. The…
Physics · JEE Main · NTA Exams — Kinematics
The displacement of a body at any time t after starting is given by s = 15t – 0.4t2. The velocity of the body will be 7 m/s–1 after time:
- 20 s
- 15s
- 10 s
- 5 s
Answer
(C) 10 s
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