Will mark as BRAINLIEST What is the work done by the person whose carrying a box of weight 20 kg on his head when he travels a distance of 50 m?

a) in the vertical direction.

b) in the horizontal direction.

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.

Convection currents are caused by differences in what two things?

Avector a⃗ has a length of 8.6 m and points in the negative x direction. find the x component of the vector −3.7a⃗ .