a force of 20n acts on a body whose weight is 9.8. what is the mass of the body and how much is its acceleration.

Tungsten-filament lightbulb emits light based on the temperature of the filament. which phenomenon does this demonstrate?

=force × distance a. work b. velocity c. pressure d. momentum

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.