3. the volume of a cork stopper is 8 cm³; the density of the cork is 300 kg / m², what is the mass of the cork?

5. in a 100 m race an athlete moves for a short distance at a constant speed of 36 km / h. how long would it take to go through your classroom?

Luke and carrie are driving down a straight section of the interstate at 70 mph in luke's new convertible. carrie is drinking a soda in the passenger seat. when she is done she tosses the bottle straight up in the air, just above the height of the car. what will happen to the bottle if air resistance is neglected? a. the bottle will land in carrie's lap. b. not enough information is given. c. the bottle will land on the interstate in front of the car. d. the bottle will land on the interstate behind the car.

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Positrons are spontaneously emitted from the nuclei of