Hector drew the diagram below to illustrate projectile motion.

how should hector correct his diagram?

he should switch the labels “gravity” and “inertia.”
he should make the arrow for “path” curve downward.
he should switch the labels “inertia” and “path.”
he should make the arrow for “inertia” curve downward.

•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?

What are the applications of electromagnetic waves

Could we see a galaxy that is 20 billion light-years away?