1. A 2500 kg car enters a curve with a radius of 45 m If the car is moving at a speed of 35 m's, what is the

centripetal force that maintains the car's circular motion through the curve?

True or false: If an object has twice the size of another object, it has half the weight

What properties of mercury make it a good material to use in a thermostat

Which of the following is not considered to be a rock A (coal) B (sandstone) C (pumice) D (lava)

A foam material has a density of 175 g/l. what is its density in units of lb/ft3?

Identify the five categories of stressors.

Acceleration is a vector quantity. O O A. True B. False

What will happen to the brightness of a string of bulbs hooked up in series when you increase the number of bulbs in the string? A. Each light in the string will get brighter. B. Each light in the string will get dimmer. C.

What are the two factors that influence the composition of beach material

Which of the following indicates that a ChemicL change has taken place? (A) a change from liquid to a gas (B) an increase in the volume of a substance (C) a change in the color of a substance (D) a change from a solid to a liquid A precipitate is a

Which of these circuit schematics has an ammeter?