Which of the following substances will show the smallest change in temperature when equal amounts of energy are absorbed?

water

air

sand

concrete

Which of the following is the cause of acceleration? Speed Inertia Force Velocity

Which condition describes an object having terminal velocity? a. gravity > air resistance b. gravity < air resistance c. gravity = air resistance

A source charge of 5.0 µC generates an electric field of 3.93 * 105 at the location of a test charge. How far is the test charge from the source charge?

A fire hose is turned on the door of a burning building in order to knock the door down. This requires a force of 1000 N.

Two objects that have different sizes, masses, and temperatures come into close contact with each other. 1) Thermal energy is transferred from the larger object to the smaller object. a.

the half-life of carbon - 14 is 5730 years. What fraction of carbon-14 would remain after 11,460 years?

An object with a mass of 10.9 kg experiences a force of 18.53 N. What is the acceleration of the object? A. 2.2 m/s2 B. 1.7 m/s2 C. 16.83 m/s2 D. 1.3 m/s2

A proton, starting from rest, accelerates through a potential difference of 1.0 kV and then moves into a magnetic field of 0.040 T at a right angle to the field. What is the radius of the proton's resulting orbit

Which of the following terms are needed to completely describe speed? Check all that apply. A. Units B. Direction C. Number D. Mass

Drivers are able to see objects ahead of them because light travels through windshields.