If Danica is in a mile run race with Emmalee. Emmalee runs the mile in 4 minutes. At what speed does Danica need to run to
beat Emmalee's mile run time.

When the velocity of an object is doubled, by what factor is its momentum changed? by what factor is its kinetic energy changed? a) the momentum is zero. b) the momentum is not zero. c) difficult to say.

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Find the equation for the plane through upper p 0 left parenthesis negative 4 comma negative 8 comma negative 5 right parenthesis perpendicular to the following line. xequalsnegative 4 minus t, yequalsnegative 8 plus 2 t, zequals3 t, minusinfinityless thantless thaninfinity