Home
Class 11
PHYSICS
The bob of a pendulum is released from a...

The bob of a pendulum is released from a horizontal position. If the length of the pendulum is 1.5m, what is the speed with which the bob arrive at the lower most point, given that, it dissipated 5% of its initial energy against air resistance?

Text Solution

Verified by Experts

`= 5.3 ms^(-1)`
Promotional Banner

Similar Questions

Explore conceptually related problems

A stone of mass 0.25 kg tied to the end of a string is whirled round in a circle of radius 1.5 m with a speed of 40 rev./min in a horizontal plane. What is the tension in the string ? What is the maximum speed with which the stone can be whirled around if the string can withstand a maximum tension of 200 N ?

A simple pendulum of length 1.5m is held horizontally and then released. If the mass of the system is 0.050 kg, then calculate the centripetal force at the bottom and maximum tension in the string ( given g= 9.8ms^(-2) )

The bob of a simple pendulum of length 1 m has mass 100g and a speed of 1.4 m/ s at the lowest point in its path. Find the tension in the string at this moment. Take g=9.8 m//sec^(2) (AS_(1))

An electrician has to repair an electric fault on a pole of height 4m. He needs to reach a point 1.3 m below the top of the pole to do the repair work. What should be the length of the ladder that he should use which when inclined at an angle of 60^(@) to the horizontal, enables him to reach the required position?

A particle stars from origin at t=0 with a velocity 5.0hatim//s and moves in x-y plane under action of a force which produces a constant acceleration of (3.0hati+2.0hatj) m//s^(2) . (a) What is the y- coordinate of the particle at the instant its x - coordinate is 84 m ? (b) What is the speed of the particle at this time ?

In an athletic-meet an athlete has to throw a shot put with mass 10 kg with an initial velocity 1 ms at an angle 45^(@) with the horizontal from a platform 1.5 m above the ground. What will be the kinetic energy of this shot put when it just strikes the ground. Assume the air resistance to be negligible and take the value of 'g' to be 10 ms?