A red car with a mass of 3.0 kg traveling at 8 m/s collided with a blue car with a mass of 2.0 kg, which is at rest. The velocity of the blue car after the elastic collision is 9.6 m/s. What is the velocity of the red car?

In preparation for an electrophoresis procedure, enzymes are added to DNA in order to 1.) Convert the DNA into gel 2.) Cut the DNA into fragments 3.) Change the color of the DNA or 4.) Produce longer sections of DNA

An object is dropped near the earth's surface. At the end of 4.0 s, how fast is it falling in m/s? (Ignore air resistance.)

What is the largest category in the periodic table? A) metals B) Metalloids C) Nonmetals D) Noble Gases

The mass of the container holding this table salt is 3G. What is the mass of the table salt

The largest asteroid, ceres, has a radius 0.073 times the radius of earth and a mass of 0.0002 earth masses. how much would a 72 kg astronaut weigh on ceres in pounds?

If a negatively charged particle enters a region of uniform magnetic field which is perpendicular to the particle's velocity, will the kinetic energy of the particle increase, decrease, or stay the same?

The horizon moon appears to shrink in size if it is viewed through a narrow tube that eliminates the perception of distance cues. This best illustrates the importance of: a) convergence b) closer, farther away c) context effects d) none of thses

A bow is pulled back with 89.0N of force a distance of. 600m and shoots a 300kg arrow straight up. What is the work done on the arrow? 0.00J 53.4J 26.7J 16.0J

A stationary rock is pushed off a very high cliff. Which graph correctly represents the acceleration due to gravity as the rock undergoes free fall to the ground?

What do you think would happen to the mass if the reaction took place inside a sealed plastic bag?