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Start learning 50% faster. Sign in nowRequired time = Sum of the lengths of trains / Relative speed Relative speed = 55 + 35 = 90 kmph = (90 × 5)/18 = 25 m/sec Required time = (175 + 125)/25 = 300/25 = 12 seconds
Two point charges +4 μC and –3 μC are placed 0.3 m apart. Find the electric potential at a point 0.2 m from the +4 μC and 0.25 m from the –3 μC....
What is the momentum of a 2 kg object moving at 3 m/s?
A body is thrown vertically upward with a velocity of 20 m/s. What will be its velocity at the highest point?
Boyle’s Law is applicable to gases under which conditions?
The moment of inertia of a thin rod of length L and mass M about an axis perpendicular to the rod and passing through a point at a distance L/4 from one...
Which law states that internal energy is a function of state and the increase in internal energy equals the sum of heat supplied to the system and work ...
Two long parallel wires 2 cm apart carry 5 A and 3 A currents in the same direction. What is the force per unit length on one wire?
When heated from 0° to 10°C volume of a given mass of water will -
The resistance of the human body (dry condition) is of the order of –
Which of the following statement is correct?
I. Magnetite is a natural magnet
II. A freely suspended magnet always aligns in N-S direction
