What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

In the 1920s what did Edmund hubble notice about the galaxies

1. Because the moon rotates once for each revolution around Earth, a. you see some phases more than others. b. a different side of the moon faces Earth each day. c. you never see the far side of the moon from Earth. d. 2.

Max Planck's theory that black bodies emitted radiation only in discrete energy units proportional to their frequency avoided the so-called UV Catastrophe of classical physics that incorrectly predicted that black bodies would

What is an example of the theory that the best adapted organisms for an environment are the ones most likely to survive

What organisms only survive in the wild or nature

A pendulum bob is made from a sphere filled with water. What would happen to the frequency of vibration of this pendulum if the sphere had a hole in it that allowed the water to leak out slowly?

Elias serves a volleyball at a velocity of 16 m/s. The mass of the volleyball is 0.27 kg. What is the height of the volleyball above the gym floor when its total mechanical energy is 41.70 J? Round to the nearest number.

Which of the following is the best description of a graph? A. Equations that can be plotted B. A representation of an equation C. Independent and dependent variables D. x and y lines

Which of the following statements concerning Howard Gardner's multiple intelligences is not correct? A. Gardner is not interested in assessing levels of intelligence. B. Gardner has based his theory on research in various areas of psychology. C.

The force of attraction between two oppositely charged pith balls is 5.3 * 10-6 newtons. If the charge on the two objects is 6.7 * 10-9 coulombs, what is the distance between the two charges? (k = 9.0 * 109 newton·meter2/coulombs2)