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Questions (15)
1.Give examples of a one-dimensional motion where
(a) the particle moving along positive x-direction comes to rest periodically
0 answers
616 views
1.In one dimensional motion, instantaneous speed v satisfies
0 ≤ v < v0. (a) The displacement in time T must always take
3 answers
1,125 views
show that cos2x=1-tan^ 2 x /1+tan^2x=2cos^2x-1
1 answer
464 views
can you help me with this?
cos2A=cossquareA-sinsquareA/cossquareA+sinsquareA=cossquareA(1-tansquareA)/cossquareA(1+tansquareA) I
0 answers
316 views
A car accelerates from rest at a constant rate A for some time after which it s at a constant rate B to come to rest. If the
1 answer
456 views
A car accelerates from rest at a constant rate A for some time after which it s at a constant rate B to come to rest. If the
1 answer
456 views
Is g = {(1, 1), (2, 3), (3, 5), (4, 7)} a function? Justify. If this is described by the
relation, g (x) = αx + β, then what
2 answers
1,194 views
Measure of two quantities along with the precision of respective
measuring instrument is A = 2.5 m s–1 ± 0.5 m s–1 B = 0.10
0 answers
469 views
The length and breadth of a rectangular sheet are 16.2 cm and
10.1cm, respectively. The area of the sheet in appropriate
1 answer
1,462 views
1.The potiential energy of a particle varies with distance x from a fixed origin as v=A√x/x+B where A and B are constants.Find
1 answer
523 views
what is the need for vertebrates to evolve from oviparity to viviparity?
1 answer
342 views
A farmer buys a land.There were lots of insectivorous plants in it.He was unaware of this,but when he came to know this he
2 answers
421 views
D,E,F are the midpoints of a triangle ABC then what is the area of triangle DEF?
1 answer
606 views
If a-b=3,ab=7,then(a+b)is _______
2 answers
273 views
a hemispherical bowl of radius r cm is filled with water.a sphere of radius r/2 cm is immersed in it.show that the volume of
1 answer
912 views
