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A particle P is sliding down a frictionless hemisphere bowl. it passes the point A at t=0. At this instant of time, the horizontal component of its velocity is v. A bead Q of the same mass as P is ejected from A at t=0 along horizontal spring AB with the speed v. Friction between bead and the string may be neglected. Let t(p) and t(q) be the respective times taken by P and Q tp reach the point B then
A. t(p)=t(q)
B. t(p)>t(q)
C. t(p)

```
6 years ago

Sudheesh Singanamalla
114 Points
```										the mass of the particle P and the bead Q is the same and it is also given that they have the same velocity.
the object is a hemispherical bowl .
Let D1 be distance travelled by the particle P with mass m and velocity v.
D1 = vt
and D2 be the distance travelled by the bead Q with mass m and velocity v
since D2 is actually the displacement of Particle P and distance of bead B
we know displacement <= distance
displacement of P < distance travelled by P
==> distance travelled by bead Q < distance travelled by P
since velocity is the same.
time taken to travel a smaller distance is less than time taken to travel a larger distance.
therefore time taken by Particle P > time taken by bead Q
option B t(P) > t(Q) is the final answer

```
6 years ago
8 Points
```										SINCE THE VELOCITY COMPONENT IN THE HORIZONTAL DIRECTION IS SAME FOR BOTH THE BEADS AND THERE IS NO FRICTION IN BOTH THE PATHS . THEREFORE T(P)=T(Q).
```
6 years ago
shikhar
18 Points
```										question option are wrong
```
2 years ago
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