Question

An iron sphere of 1 kg is moving with a velocity of 20 m/s on a cemented floor. It comes to rest after travelling a distance of 50m. Find the force of friction between the sphere and the floor

Answer 1

Answer:

Nelson Mandela was born in Mvezo, South Africa on 18 July 1918. He was in the forefront anti-apartheid movement in South Africa. In 1964 he was sentenced to life imprisonment and sent to Robben Island and released from the prison in 1990 after 26 years.