Bumper car A ( 281 kg) moving + 2.82 m/s makes an elastic collision with bumper car B ( 209 kg) moving j + 1.72 m/s . What is the velocity of car B after the collision?

Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.

Organelles are 1. responsible for producing power for the cell 2. tiny structures in the cell that carry out the cell's activities 3. responsible for digestion in the cell 4. found outside of the membrane

What does si stand for,when referring to a system of measurement