A ball of mass 0.450 kg and a velocity of + 8.00 m/s collides head-on with a ball of mass 1.00 kg that is initially at rest. No external forces act on the balls. After the collision, the velocity of the ball which was originally at rest is + 3.38 m/s. What is the velocity of the 0.450 kg ball?

Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options: