Describe how light radiation leaves a star, travels through the vacuum of space, and finally is seen by someone on earth.

Climate is best described as the A. daily weather as predicted by a meteorologist. B. short-term average of weather variations in a specific area. C. long-term average of weather variations in a specific area. D.

Determine which factors will increase the reaction rate and which factors will decrease to reaction rate Decrease concentration Increase Reaction Rate Decrease Reaction Rate Decrease suntace area

An oscilloscope shows a steady sinusoidal signal of 5 Volt peak to peak, which spans 5 cm in vertical direction on the screen.

Which of the following technologies works by emitting high-energy electromagnetic radiation to destroy cells? A. Airport scanner B. Nigh-vision device C. light sensor D. Gamma Knife

What is a characteristic of a metamorphic rock

Which answer choice best explains why nuclear reactions release more energy than chemical reactions? Electrostatic forces of repulsion are thousands of times stronger than gravitational forces.

A train's mass is 18181.81 kg. What is its weight?

a 3.0m long frictionless pendulum swings with a maximum angluar displacement of 10 degree from the vertical. at its lowest position the kinetic energy of the pendulum is 20.0j what is the potential energy of the pendulum when the kientic energy is 5.

How are hypotheses and theories related to each other?

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?