Q1:
|
If x = a cos(nt + α) and particle starts at centre O then α equals:
|
A. 0
B. 2π
C. π
D. π/ 2
|
Answer 1: |
|
Q2:
|
If x = 4 cos(πt + π/3)
The period is:
|
A. 2
B. π/ 3
C. 1
D. π
|
Answer 2: |
|
Q3:
|
The simple harmonic motion
x = a cos(nt + α)
has a frequency of 10. The value of n is:
|
A. 0.1
B. 20π
C. 20/ π
D. π/ 20
|
Answer 3: |
|
Q4:
|
The simple harmonic motion
x = 17cos(nt + α)
has a velocity of 150 m/s when x = 8 metres.
Then n =
|
A. 0.52
B.100
C.10
D. 0.27
|
Answer 4: |
|
Q5:
|
The maximum speed of a simple harmonic motion is 10 m/s and its frequency is 5.
Then the amplitude is:>
|
A. 1/ π
B. 25/ π
C.1
D. π
|
Answer 5: |
|