Question
A cyclist was moving with a speed 20 km/hr. Behind the
cyclist at a distance of 100 km was a biker moving in the same direction with a speed of 40km/hr. After what time will the biker over take the cyclist?Solution
ATQ,
A body is said to be in equilibrium when:
Which polymer is used in the production of bullet-proof materials?
Which one among the following statements is not true for Mammals?
Which of the following is a chemical change?
Which vitamin is also known as Vitamin-B2?
If the root mean square speed of gas molecules is doubled, the absolute temperature of the gas:
Which vitamin helps in improving night vision?
Which vitamin is essential for RBC formation?
Which of the following statements for the given chemical reaction is true?
Fe₂ O₃ + 2Al → Al₂ O₃  + 2Fe
The force which opposes the relative motion between different layers of liquid or gases is called –