If you equate that equation with $F=ma$ and divide both sides by $m$, you get that the car's acceleration in the forward direction is. $$a=g \sin\theta\ -\ g C_{rr}\cos\theta\ - \frac{ \rho v^2 C_D A}{2 m}\ .$$. According to that equation, if $m$ increases, so does $a$.share | cite | improve this answer.f you equate that equation with $F=ma$ and divide both sides by $m$, you get that the car's acceleration in the forward direction is. $$a=g \sin\theta\ -\ g C_{rr}\cos\theta\ - \frac{ \rho v^2 C_D A}{2 m}\ .$$. According to that equation, if $m$ increases, so does $a$. share | cite | improve this answer.
A typical migraine headache lasts less than 24 hours. Less commonly, a migraine can be as brief as 20 minutes or last for weeks. Generally, a migraine sufferer has headache-free periods between attacks. Tension-type headache can persist for days, weeks, or sometimes years. Cluster headaches are very intense but brief, usually lasting 30-90 minutes and repeating two to six times a day during a cluster episode.
Tension-type headaches are usually felt as a band or across the forehead. They can last for several days. They can be uncomfortable and tiring, but they do not usually disturb sleep. Most people can carry on working with a tension-type headache.