Bryian

Velocity is a) is the same as speed b) has both magnitude and direction c) is a scalar quantity d) is specified by direction only I think its B, anyone can help

1) A Newton is A A unit of force B) 1kg m/s^2 C) A derived unit D) All of these I think its D, am I correct? 2) A falling raindrop has A) potential energy B) kinetic energy C) Boh A and B D) Neither A or B I think its C, am I correct?

thanks for your time and help, but I do not know what mu stands for