Five metal samples, with equal masses, are heated to 200oC. Each solid is dropped into a beaker containing 200 ml 15oC water. Which metal will cool the fastest?

A) aluminum

B) copper

C) gold

D) platinum

Which of the following have electrical charge? a. protons and neutrons b. neutrons and electrons c. electrons and protons

How fast does a 3 kg rocket accelerate if a force of 140 N is applied?

Conversion of the sun's energy from fossil fuels into electricity does not involve: a. coal c. steam b. wind d. turbines

Suppose that a white dwarf is gaining mass through accretion in a binary system. what happens if the mass someday reaches the 1.4 solar mass limit? suppose that a white dwarf is gaining mass through accretion in a binary system.

Eugene describes the physical property of a material as "sweet and floral" what physical property of the material is Eugene most likely observing?

If a forklift raises a 76-kg load a distance of 2.5 m, about how much work has it done?

When a fork is placed in a hot piece of lasagna, thermal energy is transferred up the fork by ...

Levi observed properties of four different waves and recorded observations about each one in his chart.

A rocket is shot straight up from the earth, with a net acceleration (acceleration by the rocket engine minus gravitational pullback) of during the initial stage of flight until the engine cut out at sec.

Which moon has a thick atmosphere made mostly of nitrogen?