I’m gonna take a break for a few hours, possibly the whole weekend because I feel sick and uncomfortable: my stomache is a bother. Perhaps when I feel better I will come back. I hope everyone enjoys their weekend! <3

Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1

The speed of light can be used to measure the

As seen in a us weather map, the h (or high) and l (or low) symbols indicate regions where surface air pressures are high or low, respectively, compared to surrounding areas. an h is plotted where the air pressure is highest and an l is plotted where the air pressure is lowest. proceeding outward and away from the center of a high pressure system, the air pressure "