How much energy is contained in the mass of a 60-kilogram person?

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

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest