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Find the concentration of solution made by dissolving 2.50 g of sodium carbonate in 650 g of water?
What will be the final temperature if a 4 x 10⁷ J of heat is transferred to a 1 kg block of aluminum initially at 20°C
What happens to the air temperature in valley when cold air blowing from mountain top descending to the valley?
Why does the conductor nees to be isolated from earth before charging?
In a transistor, beta=45, the voltage across 5k? resistance which is connected in the collector circuit is 5volts. Find the base current.
A ship, leaving its port sails due north for 45 kilometers and then 60 kilometers in a direction
of 60 degrees east of north. Determine the location of the ship relative to its port
A mass is hung at the end of the spring length of 14 cm. The mass was pull down
and extend to the quarter of the original length of the springs and released so that
it oscillates vertically. If the mass took 0.125 s to go up and down from
equilibrium point:
a) The acceleration when the displacement is at maximum.
A pile of mass 50kg is being driven into the ground by a hammer of 400 kg. If the hammer is dropped through a height of 3.5m, there is no observable rebound, and the average resistive force of the ground on the pile is 50kN, calculate the distance the pile sinks into the ground.?
describe the life condition on the planet mars
what is definition of modern physics?
