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Distance covered by car = 3500 km, Time = 60 hrs. Speed of a car = Distance/time = 3500/60 = 58.33 km/hr Average speed of a bus = (6/7) of 58.33 = 50 km/hr
What was invented by 'Zacharias Janssen'?
If lift is going up with acceleration, the apparent weight of a body is -
Charges +q and –q are placed at (–d, 0) and (+d, 0). A third charge Q is placed at (0, x). For what value of x will the force on Q be maximum?
What does the slope of a velocity-time graph represent?
An object of mass ‘m’ be made to fall freely from a height ‘h’. At the start the potential energy is _____ and kinetic energy is ______.
...A body of mass 2 kg is moving with velocity 3 m/s. What is its kinetic energy?
A car moving at 72 km/h is brought to rest in 10 seconds. What is its acceleration?
Going from fluorine to chlorine, to bromine and then to iodine, the electro negativity:
Which part of a plant is responsible for photosynthesis?
