James dissolves 20 g of table salt in 100 mL of water at 20°C. What prediction

can you make about what will happen if all 100 mL of water are boiled away?

A car accelerates from rest at 4 m/s^2. What is the velocity of the car after 4 seconds?

You drop a rock off of a building. It takes 4.5s to hit the ground. How tall is the building?

A balloon has a volume of 18.0-L at a pressure of 87.6 kPa. What will be the new volume when the pressure is 48.2 kPa?

What can a transistor do in order to fulfill its function in a circuit? Check all that apply. control which layer is the emitter control its own semiconductance change the dopants in the transistor act like an insulator act like a conductor

How many minutes will it take you to finish a 5 km race at an average speed of 7.0m/s?

When sugar is poured from the box into the sugar bowl, the rubbing of sugar grains creates a static electric charge that repels the grains, and causes sugar to go flying out in all directions. If each of two sugar grains acquires a charge of 1.

You rub a clear plastic pen with wool, and observe that a strip of invisible tape is attacted to the pen. Assuming that the pen has a negative charge, which of the following could be true? Select all that apply.: A.

Magnet a has twice the magnetic field strength of magnet b and at a certain distance pulls on magnet b with a force of 100 n. the amount of force that magnet a exerts on magnet b is

A heavy sled and a light sled, both moving horizontally with the same speed, suddenly slide onto a rough patch of snow and eventually come to a stop.

How does the force of attraction change? A) The force becomes twice as much. B) The force becomes one-half as much. C) The force becomes four times as much. D) The force becomes one-quarter as much.