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One rectangle is twice as long as it is wide. The second rectangle is 3cm longer than the first one, and 1cm narrower than the
1. 1 answer
2. 545 views
A student uses spring balance of range 500gwt. He records the weight of a small iron cube of mass 100g in air, in tap water and
1. 1 answer
2. 786 views
a particle starts from rest and travels a distance x with uniform acceleration, then it travels a distance 2x with uniform speed
1. 0 answers
2. 705 views
a body of mass 2kg starting from origin t=0,has an initial velocity of 5m/s along x-axis and it subjected to constant force of
1. 0 answers
2. 733 views
a carnot engine is designed to operate between 480K and 300K.if the engine actually produces 1.4j of mechanical energy per
1. 0 answers
2. 671 views
Consider a c-Si solar cell whose fingers have a resistance R=0.1Ω. What would be the finger's resistance (in Ω) if the
1. 4 answers
2. 1,847 views
how to Calculate the molarity of a solution if sulphuric acid contains 13%H2SO4 by mass and density is 1.02 gm per cm3.
1. 1 answer
2. 779 views
how to Calculate the molarity of a solution if sulphuric acid contains 13%H2SO4 by mass and density is 1.02 gm per cm3.
1. 0 answers
2. 596 views

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