A sequence of star colors from hottest to coolest is

What phenomena provides evidence of electric fields in the atmosphere

In what direction does heat flow between two objects

If the period of the pendulum is tripled, what is the length of the string increased by?

The charge on a parallel plate capacitor is 7.68 C, and the plate is connected to a 9.0 V battery. What is the capacitance of the capacitor? A. 8.5x10^-7 pF B. 1.1x10^-6 pF C. 8.5x10^5 pF D. 6.9x10^7 pF

What is the work done by gravity when a 2.0kg ball falls to the floor from the height of 1.50m? Is it positive or negative? Explain

During melting, the forces of attraction between the molecules A) become weaker. B) remain the same. C) become stronger. D) become stronger and then weaker.

What law states that when matter undergoes a physical or chemical change, no atoms are created or destroyed?

If the moon disapared what affect would this have on earths tides

Newtons first law states that no force is required to maintain motion in a straight line at a constant speed. If newtons first law is true, why must we continue to pedal a bicycle on a level surface to keep moving?

A box is lowered using a rope. If the acceleration of the box, is 3.3 m/s2 (downward) and its mass is 29.1 kg, what is the magnitude of the tension in the rope?