If a 0.35kg bullet made a 3.0kg block swing to change its height 0.25 Meters. How fast was the bullet traveling? ___ m/s (Round to the tenths)

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?

Observations show that interstellar clouds can have almost any shape and

Point charges q1=+2.00μc and q2=−2.00μc are placed at adjacent corners of a square for which the length of each side is 1.50 cm . point a is at the center of the square, and point b is at the empty corner closest to q2. take the electric potential to be zero at a distance far from both charges. part a what is the electric potential at point a due to q1 and q2? express your answer with the appropriate units.