If Mary is 3m from her reflection, how far is mary from the mirror?

19. A young woman named Kathy Kool buys a superde- luxe sports car that can accelerate at the rate of 16 ft/s2. She decides to test the car by dragging with another speedster, Stan Speedy.

Augie created this chart about the two kinds of waves. Which best labels the chart? Title 1 is "Longitudinal Waves," and Title 2 is "Transverse Waves." Title 1 is "Transverse Waves," and Title 2 is "Longitudinal Waves.

Can we predict when a single atom will decay

Which of the following conditions is not necessary to observe an interference pattern between two sets of waves? A) The waves must have the same wavelength. B) The waves must have a constant phase difference.

Mirrors light, prisms light

The visible light spectrum ranges between A. radar waves and X-rays. B. ultraviolet rays and gamma rays. C. infrared rays and ultraviolet rays. D. television waves and infrared rays.

Sarah added sugar to her iced tea, but it is not dissolving very quickly. Which can Sarah do to make the sugar dissolve faster? Add more sugar. Heat the tea. Add more ice.

Positively-charged particles consisting of two protons and two neutrons emitted by radioactive materials. True or False

A package of aluminum foil is 59.3 yd long, 13 in. wide, and 0.00040 in. thick. If aluminum has a density of 2.70 g/cm3, what is the mass, in grams, of the foil?

A teacher pushed a 10-kg desk across a floor for a distance of 5 m she exerted a horizontal force of 20 N how much work is done