A horse pulls a cart harder during the first few steps because.

The first seed plant appeared during

Explain why:- a horse cannot pull a cart and run in empty space.

How do polar solvents help in the first step in S_N1 mechanism ?

The decomposition of phosphine (PH_3) on tungsten at low pressure is a first order reaction. It is because

A mass of 2 kg is suspended with thread AB. Thread CD of the same type is attached to the other end of 2 kg mass. Lower thread is pulled gradually. harder and harder in the downward direction so as to apply force on AB. In the above given problem if the lower thread is pulled with a jerk, what happens?

Ten horses are running a race. In how many ways can these horses come in the first, second and third place, assuming no ties ?

A mass of 2 kg is suspended with thread AB. Thread CD of the same type is attached to the other end of 2 kg mass. Lower thread is pulled gradually. harder and harder in the downward direction so as to apply force on AB. Which of the threds will break and why?