A ball of mass 0.5kg is released form rest at a height of 30m. how fast is it going when it hits the ground? acceleration due to gravity is g-9.8m/s^2

True or false: Equilibrium is the continual change from product to reactant and back.

Why couldn't you use the mercalli scale to measure an undersea earthquake?

How is an arranged marriage different from or similar to other ways people find and experience love today?

Two charged particles q1=2, q2=4 are placed 5 centimeters. what is the force between them

The following is current scientific evidence supporting the nebular theory on the formation of the solar system.

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)

To describe velocity you need to know?

Mohammed made a chart to list examples and nonexamples of projectile motion. Which best completes the chart? a - a football thrown in the airb - a kite flying on a stringc - a golf ball rolling off a table d - water spraying from a fountain

Halley's Comet appears around the sun about once every 76 years. It passes through the part of its orbit nearest the sun in just a few months but then moves out to great distances and takes more than half a century for the rest of its orbit.