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Skg|siddharth Mithra
Subject: Physics
, asked on 19/3/23
please show how sign changed over here
Answer
1
Tiyasha Ghosh
Subject: Physics
, asked on 18/3/23
Amplitude of an oscillation is reduced due to
i. restoring force
ii. friction
iii. neither restoring nor friction
iv. Both restoring and friction
Answer
1
Tiyasha Ghosh
Subject: Physics
, asked on 18/3/23
In an elastic collision what is conserved--
i.kinetic energy
ii.momentum
iii.both kinetic energy and momentum
iv.neither kinetic energy nor momentum
Answer
1
Skg|siddharth Mithra
Subject: Physics
, asked on 18/3/23
Please answer this question with pqoaowpalkaiansnnsjsjsjsj
Answer
1
Tiyasha Ghosh
Subject: Physics
, asked on 16/3/23
A boy carrying a box on his head walking on an inclined road from one place to another is doing no work. this statement is
a.corret
b.incorrect
c.paritially correct
d.none of these
Answer
1
Tiyasha Ghosh
Subject: Physics
, asked on 16/3/23
angle of contact of tap water with clean glass/
a.zero degrees
b.90 degrees
c.8 degrees
d.110 degrees
Answer
1
Tiyasha Ghosh
Subject: Physics
, asked on 14/3/23
What happens when a capillary tube of insufficient height is dipped in a liquid?
Answer
1
Tiyasha Ghosh
Subject: Physics
, asked on 14/3/23
the equation of progressive wave is y=5sin 2 pi[(t/0.004)-(x/136)] cm calculate wavelength,frequency,wave velocity and maximum particle velocity
Answer
1
Tiyasha Ghosh
Subject: Physics
, asked on 14/3/23
A body is projected with a velocity u in a direction making angle θ with the horizontal. Show that path of the projectile is a parabola. Find the maximum height reached, time for maximum height,the time of flight and horizontal range.
Answer
2
Tiyasha Ghosh
Subject: Physics
, asked on 14/3/23
a mass of 4kg is suspended by a rope of length 30m from ceiling.A force of 30N in the horizontal direction is applied at the midpoint of the rope.whhat is the angle , the rope makes with the vertical in equilibrium? take G=10m/s^2 and neglect the mass of rope
Answer
1
Tiyasha Ghosh
Subject: Physics
, asked on 14/3/23
A ball is thrown vertically upward with a velocity of 20 ms-1. It takes 4 seconds to return to its original position. Draw a velocity-time graph for the motion of the ball...
Answer
1
Tiyasha Ghosh
Subject: Physics
, asked on 13/3/23
the velocity of an object in m/s moving along a straight line is given by v=10+3t^2.find
(a)change in velocity in th interval when t=2s and 5s
(b) instantaneous aceleration at t=4s
Answer
1
Tiyasha Ghosh
Subject: Physics
, asked on 13/3/23
Consider a simple pendulum having a bob attached to a string that oscillates under the action of a force of gracity. Suppose that the period of oscillation of the simple pendulum depends on its length (I), mass of the bob (m) and acceleration due to gravity (g),angular diplacement.
Dimensionally show which o the above factors here an influence upon the period and in what way?
Answer
1
Tiyasha Ghosh
Subject: Physics
, asked on 13/3/23
Consider a simple pendulum having a bob attached to a string that oscillates under the action of a force of gracity. Suppose that the period of oscillation of the simple pendulum depends on its length (I), mass of the bob (m) and acc. Due to gravity (g). Derive the expression for its time period using method of dimensions.
Answer
1
Tiyasha Ghosh
Subject: Physics
, asked on 13/3/23
If a body is rotating about an axis, passing through its centre of mass then its angular momentum is directed along its
a.Radius
b.Tangent
c.Circumference
d.Axis of rotation
Answer
1
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Next
What are you looking for?

i. restoring force

ii. friction

iii. neither restoring nor friction

iv. Both restoring and friction

i.kinetic energy

ii.momentum

iii.both kinetic energy and momentum

iv.neither kinetic energy nor momentum

a.corret

b.incorrect

c.paritially correct

d.none of these

a.zero degrees

b.90 degrees

c.8 degrees

d.110 degrees

a mass of 4kg is suspended by a rope of length 30m from ceiling.A force of 30N in the horizontal direction is applied at the midpoint of the rope.whhat is the angle , the rope makes with the vertical in equilibrium? take G=10m/s^2 and neglect the mass of rope

(a)change in velocity in th interval when t=2s and 5s

(b) instantaneous aceleration at t=4s

Dimensionally show which o the above factors here an influence upon the period and in what way?

Consider a simple pendulum having a bob attached to a string that oscillates under the action of a force of gracity. Suppose that the period of oscillation of the simple pendulum depends on its length (I), mass of the bob (m) and acc. Due to gravity (g). Derive the expression for its time period using method of dimensions.

## If a body is rotating about an axis, passing through its centre of mass then its angular momentum is directed along its

a.Radius

b.Tangent

c.Circumference

d.Axis of rotation