If two materials are made from different kinds of atoms, what else should you expect to be different? a. the kinds of neutrons they have b. the properties they have c. the mass of their electrons d. the charge of their protons

Which of the following best describes a transverse wave? A - displacement of particles is parallel to the direction of wave motion B - displacement of particles is perpendicular to the direction of wave motion C - displacement of particles is

A 2.9 kg lump of aluminum is heated to 92 C and then dropped into 11.0 kg of water at 5.2 C. Assuming that the lump-water system is thermally isolated, what is the system's equilibrium temperature?

The first step to using ecology to solve environmental problems is to a. ban the burning of fossil fuels. b. close businesses that pollute. c. use alternative fuels. d. identify the problem.

1. Space aliens visited you last night and left you with a "present". They left behind a white substance you called "sploam". This substance is liquid at room temperature, but when you place it in a refrigerator it turns to a white solid.

How do you find mechanical advantage of a pulley?

Imagine a particular exoplanet covered in an ocean of liquid methane. At the surface of the ocean, the acceleration of gravity is 6.20 m/s2, and atmospheric pressure is 7.00 ✕ 104 Pa.

Explain what surface tension is.

A helium-filled balloon is launched when the temperature at ground level is 27.8°c and the barometer reads 752 mmhg. if the balloon's volume at launch is 9.47 * 10^{4} 4 l, what is the volume in liters at a height of 36 km, where the pressure is 73.

Consider the moment when the spring is at its maximum compression. At that moment, the kinetic energy, the gravitational potential energy, and the elastic potential energy are, respectively, a - zero, at a maximum, and at a maximum b - at a maximum,

Ari, a young patient who is regularly treated by a psychiatrist, feels compelled to carry out repetitive tasks the same way very frequently. If Ari does not conduct these tasks with extreme precision, he can feel extremely nervous and uncomfortable.