Phenolphthalein turns pink in salt water

According to Newton's Law of Universal Gravitation, which of the following would cause the attractive force between a planet and the Sun to be doubled? A. Doubling the mass of the planet B. Quadrupling the distance from the sun C.

A 50 kg person stands on a 25 kg sled. The sled and person are initially moving together at 6.0 m/s in the + x direction on a frictionless, horizontal surface. If the person jumps off the back of the sled and now slides at 2.

Compare and contrast fission and fusion

In what regions of the electromagnetic spectrum is the atmosphere transparent enough to allow observations from the ground?

What is the net force acting on a 0.15 kg hockey pick accelerating at a rate of 12 m/s

Why is energy efficiency important to society's need to be efficient with energy usage?

A wave has a wavelength of 9 mm and a frequency of 14 hertz. What is its speed?

Where would you weigh the most? Mars Pluto Earth The Sun The moon

A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage to 425 kV.

Match the example to the type of equipment category it fits best in. A Gym bag, workout clothes, hygiene essentials, proper shoes, water, ipod. B Hockey Stick Baseball Glove. Basketball. Pads. Helmet.