Com Flashcards
1
Q
C.O.M of Semi circular ring is
A
2R/pi
2
Q
C.O.M of Semi circular disc
A
4R/3pi
3
Q
Centre of mass of hemispherical shell
A
R/2
4
Q
Centre of mass of solid cone
A
H/4
5
Q
Centre of mass of hollow cone
A
H/3
6
Q
Centre of mass of circular arc
A
Rsinθ/θ
7
Q
Centre of mass of sector of circle plate
A
2Rsinθ/3θ
8
Q
Centre of mass of solid hemisphere
A
3R/8
9
Q
Height attained by the ball after the nth rebound.
A
e²ⁿh
10
Q
Time Taken for the nth rebound
A
eⁿt
11
Q
Total time taken for bouncing of ball
A
T = t(1+e/1-e)
12
Q
Total distance travelled by a bouncing ball
A
S = h(1+e²/1-e²)
13
Q
Velocity immediately after the nth rebound
A
eⁿv
