[" 9.A body atarts alipping down an incline and moves half "],[" meter in half aecond.How long will it take to move the "],[" next half meter? "]

A body starts slipping down an incline and moves half meter in half second. How ling will it take to move the next half meter?

A body starts slipping down an incline and moves half meter in half second. How ling will it take to move the next half meter?

The half-life of iodine-131 is 8.02 days. How long will it take for 80% of the sample to decay?

The half life a first order reaction is1.7hr.How long will it take for 20% of the reactant to react?

A radioactive sample has a half life of 30 minute. How long will it take for (5)/(6)th of the sample to disintegrate?

Half life .^87Ga is 78 h.How long will it take to decay 21% of sample of Ga?

A body of mass m starts sliding down an incline of 30^(@) from rest. The body comes to rest just when it reaches the bottom. If the top half of the plane is perfectly smooth and the lower half is rough, find the force of friction :