Charlene has two closed containers. One holds 8 fluid ounces, and the other holds 16 fluid ounces. She puts 20 grams of room temperature helium in each container. Which of the gas's properties is different from one container to the next? A. mass
B. weight
C. viscosity
D. density

If a balloon is taken outside on a very cold day, what will occur?

Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.

By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?