What is the mass of an object if a net force of 18 N causes it to accelerate at 15 m/s^2?

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.

Which branches of natural science include the study of an organism that lived 10 million years ago