A man is supplying a power of 500 W at an instant on a massless string as shown in figure. If at that instant speed of block is 10 m/s and increasing at the rate of 10 m/s2. Then the mas
A man is supplying a power of 500 W at an instant on a massless string as shown in figure. If at that instant speed of block is 10 m/s and increasing at the rate of 10 m/s2. Then the mass of block is