Which physical property of iron made it popular for use in weapons?

1. Magnetism

2. Luster

3. Malleability

4. Ductility

A block of foam has a mass of 10 g, a volume of 60 cm3, and a length of 30 cm. What is the density of the foam? (If necessary, round your answer to three decimal places.)

Light with a wavelength of about 490 nm is made to pass through a diffraction grating. The angle formed between the path of the incident light and the diffracted light is 9.2° and forms a first-order bright band.

A basketball is tossed up into the air, falls freely, and bounces from the wooden floor. from the moment after the player releases it until the ball reaches the top of its bounce, what is the smallest system for which momentum is conserved?

Air pressure decreases as a. velocity increases. b. elevation increases. c. acceleration decreases. d. gravity increas

When water vapor condenses on the inside of a window, the window becomes

Which type of wave experiences a change in speed when entering a new medium? a) only sound waves b) both sound and light waves c) only light waves d) neither sound or light waves

Three basic classes of collisions include all but which of the following?

How does the use of biomass energy to create electricity harm the environment

Which physical property of iron made it popular for use in weapons? 1. Magnetism 2. Luster 3. Malleability 4. Ductility

a 2 kg rock is dropped from the top of a 30 m High building calculate the ball at the time that it strikes the ground