Question
Question: The displacement of a particle is given by \(y = a + bt + ct^{2} - dt^{4}\). The initial velocity a...
The displacement of a particle is given by
y=a+bt+ct2−dt4. The initial velocity and acceleration are respectively
A
b,−4d
B
−b,2c
C
b,2c
D
2c,−4d
Answer
b,2c
Explanation
Solution
y=a+bt+ct2−dt4
∴6muv=dtdy=b+2ct−4dt3 and a=dtdv=2c−12dt2
Hence, at t = 0, vinitial = b and ainitial = 2c.