- Could a light sail be used to propel ground vehicles?

Discover Questions

If you're given 2 system of equations that are planes, and you are given a point, how to find equation of line perpendicular to given? Outside my house theres thunder but theres no sound.I seen a bolt in the sky but no rain.(Dont know if the bolt hit the ground) Explanation? Given that y=0 when x=1, solve the differential equation
xyδy/δx=y²+4,
obtaining an expression for y² in terms of x.? Need help answering this math problem.? What dose the pb butter on keyboard do?