Glassy and metallic are terms that describe what mineral property? A. luster B. color C. shape D. hardness

A ball is moving across a level platform 1.6m above the floor. After rolling off the ball hits the floor 20 from the base of the platform.

Which of the following best describes the electromagnetic spectrum? A. includes a small band of visible radiation B. involves only high frequency waves C. consists mostly of wavelengths of colored light D. travels in a pattern of particle motion

1. Michelle's mass is 25 kg. Stacy's mass is 36 kg. They have the same scooters which have the mass of 1.36 kg. They both rode the scooters on a stretch of flat road measuring 15.24 meters. They did so in 6 seconds.

The wavelength of light mainly affects our perception of

Which of the following correctly sequences the stages of engine operation? A. Intake, power, compression, exhaust B. Exhaust, compression, intake, power C. Power, intake, compression, exhaust D. Intake, compression, power, exhaust

How much time does it take a power drill accelerating at 64.3 rad/s2 to achieve 1500. rotations per minute (rpm) ?

When the only force is affecting an object is gravity that object is in

A small car meshes with a large truck in a head-on collision. Which of the following statements concerning the magnitude of the momentum change during the collision is correct?

Which best describes the surface of a concave mirror?

Which geochemical cycle involves mantle convection