An x-ray with a wavelength of 3.5 * 10^-9 m travels with a speed of 3.0 * 10^8 m/s. What is the frequency of this electromagnetic wave?

A. 9.52 * 10^-1 Hz

B. 8.57 * 10^16 Hz

C. 1.17 * 10^-17 Hz

D. 1.05 Hz

Which statement best describes the magnetism shown by a paper clip when it is attracted to a bar magnet close by?

Why was Copernicus's heliocentric model not believed until gailileo and Kepler provided more evidence?

One mL of water would have a density of blank g/cm 3.

Explain your thinking. What definition, rule, or reasoning did you use to decide whether something is a solid?

To convert between Kelvin and Celcius, you use this equation: C + 273 = K What is 43 degrees Celcius in Kelvin?

Which of the following objects would have the most inertia? A. A sphere with a radius of 5 cm and a mass of 34 grams. B. A sphere with a radius of 4 cm and a mass of 15 grams. C. A sphere with a radius of 8 cm and a mass of 27 grams. D.

A boy slides a book across the floor using a force of five and over a distance of 2M what is the kinetic energy of the book after he slides at assume there is no friction

Where would aliens be if they really do exist here on Earth?

If the mass of an object is 84g and the volume is 12cm3 what is the density

Describe one example of competiton of tropical dry forest