The average mass of an automobile is about 1.440 x 10^6g. express the mass in kilograms

If the speed of a particle triples ,by what factor does its kinetic energy increase?

Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward

The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?