Imagine you have a terrible cold. You have 2 Alka-Seltzer tablets and a glass of water. What could you do to increase the rate of the chemical reaction and get the medicine into your body as soon as possible?

It is more difficult to start moving a heavy carton from rest than it is to keep pushing it with a constant velocity because

What happens when an object absorbs all the light striking it? It appears blue. It appears red. It appears black. It appears white.

What is the normal force on the box?

1. A car is 140 kg, and drove East 13.5 m/s. Car B is 157 kg and drove West at 10.9 m/s. -Which car has more momentum? -The two cars crash then stick together.

Red, green, and blue light rays each enter a drop of water from the same direction. Which rays path through the drop will bend the most, which will bend the least.

Why is it more difficult to slide a crate starting from rest?

17. (16 pts) You set up a two-slit experiment with a laser that produces light with a wavelength of 600 nm.

At a distance of 0.182 cm from the center of a charged conducting sphere with radius 0.100cm, the electric field is 465 n/c. what is the electric field 0.598 cm from the center of the sphere?

A skier on a hill has 4000J of kinetic energy and 3000J of potential energy. After sliding down the hill a ways, their potential energy is 2000J.

Three ideal polarizing filters are stacked, with the polarizing axis of the second and third filters at 21 degrees and 61 degrees, respectively, to that of the first. If unpolarized light is incident on the stack, the light has intensity 60.