A sample of iron has the dimensions of 2cm times 3cm times 2cm. if the mass of this rectangular-shaped object is 94g, what is the density of iron?

When a star goes from the main sequence to the red giant phase, it becomes larger rather than smaller. This is true because gravity is getting temporarily overpowered by A) Antigravity B) Electron Degeneracy C) Energy of Fusion D) Energy of Fission

A brick is dropped from 100m up. Find it's impact velocity and air time.

Which of the following is not a type of system? Biomedical Ecological Social Biological (not sure if this is physics but it doesn't give me the option to pick science for subject)

A pure musical torte causes a thin wooden panel to vibrate. This is an example of: A. An overtone B. Harmonics C. Resonance D. Interference

How does current change for resistors in series? what is the equivalent resistance for resistors in series? answers?

What can result if an earthquake causes a sudden vertical change in the sea floor? A. a tsunami B. liquefaction C. soil creep D. sheet erosion

Suppose gene A on the left chromosome is damaged and no longer functions. what form of the trait would show? Why?

I'm completely lost in physics, the Kinematics and dynamics units ... My exam is coming up ... If a biker travelling at 6.4m/s sees biker B 34m ahead on the road travelling 4.7m/s. How far will biker B get before biker A catches him?

When scientists record the volume of a gas, why do they also record the temperature and the pressure

Why is velocity most important in space launch?