Question

Box3.3 Mark's
Long Answer type Questions
The or botol Velocity v oF a Satellite may depend on its mass medioborer
From the Centre of earth and Acceleration due to gravity 3 klein an
expression for the orbital Velocity
2. In an experimert, the value of Refractive index of glass was found to be
154, 153, 144su, i 56 and lus in Successive measurements Calolote
c) Mean Value of Refractive index (1) Absolute errori cach Measurement
GI) Mean Absolute eruciv) Relative error) Percentage error
3. A ball is allowed to Fall From the top of a tower 200 m high At the
Some instant, another ball is--thrown opwards from the bottom of the lower
with a Velocity of Uom/swhen and where the two ball meets
4 Derve the expression Vu-zas by Calculus Method
5. An Aeroplane takes off at an Angle of 30 to the horizontal. If the
Component of Hs Velocity a long-the horizontal is 26 km/hr, what is its
Actual Velocity ? Also And the Vertical component oFita Velocity
CA Crickeler Can throw a ball to a Marimun horizontal distance of
loom How much high above the ground con- the cricketer-throws the
Same ball?
A stone of mass 3 Kg tied to the end of string in a horizontal Plane
is whirled round in a Cucle of radius Im with Frequenty of Lorpo
what is the tension in the sking? what is the moumun Speed with skich he
stone con be who led around, if the string can withstand a maximuntension
of ZooN
The blocks, each having mass 2014, restona.
Frictionless Surfure Assuming the galleys to
belight and frictionless, Cakulele lis Accelerati
of the System (i) tension in the string
9. A body of mass 5kg is moved along a straight line and its displacemento
+1. Read the work done
varies with time (+) according to the Relation +
in moving the body for Arst los.
Determine the Centre of Mass CCORD OFathia Red
in​

Answer 1

Answer:

tr is the curret answer