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Making an observation nest for ants
An observation nest for the study of the life story of ants can simply be made as follows.
Make a wooden U from three 30 cm lengths of wood 1.5 cm square. Mount this vertically in a suitable wooden base. Now cut rectangles of glass 30 cm x 33 cm and clamp them on every side of the U with rubber bands or some sort of metal clip
defferent between work and heat
It is the need of elastic strength of a substance when subjected to repeated stresses and strain. If the substance is reserved undisturbed for some time, the previous properties ar
A bubble, located 0.200m beneath the surface of a beer, rises to the top. The air pressure at the top is 1.01 x 10^5pa.Assume that at the density of beer is that same as that fresh
Neutron possesses: (1)Positive charge (2)Negative charge (3)No charge (4)All are correct Ans: (3)No charge
Resistors in dc circuits: Components are said to be in series when they are connected end-to-end providing only one path for the current. Thus the same current passes through
1) A pot such made by Revere Copper ("Revereware") has two different metals composing the bottom of the pan- a stainless steel pan "body" with a copper base formed to the pan on th
A particle is projected from ground with velocity 40sqrt2m/s.find- a)velocity and b)displacement of particle after 2sec .Take g=10m/s^2 Ans) velocity v=u+at a=-g v=40√2-10*2
Respected Sir, I am only knowing about material name that can be sink heat much longer area, it can be possible or not? if it possible, how to its work to sink.? Please..
how to transform series to parallel
A body of mass m1 , moving with velocity u1 collides head on with a body of mass m2 moving with a velocity u2 the two bodies stick together after the collision the loss of kinetic
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