Which of the following is a simple machine? A. wedge B. meat grinder C. car D. bicycle

An adiabatic closed system is accelerated from 0 m/s to 30 m/s. Determine the specific energy change of this system, in kJ/kg.

Which sequence of processes occurs in the correct order? a weathering, erosion, transportation. b erosion, weathering, transportation. c erosion, transportation, weathering. d All of these processes occur at the same time.

Determine the ratio of Earth's gravitational force exerted on an 80-kg person when at Earth's surface and when 1400 km above Earth's surface. The radius of Earth is 6370 km.

An atom with two protons, three neutrons and two electrons would have a mass of about how many atomic mass units?

Two charged particles are a distance of 1.62 m from each other. One of the particles has a charge of 7.10 nc, and the other has a charge of 4.42 nc.

When a charged cloud passes overhead, the goround below is charged by A deduction B electrification C polarization D induction

What happens during constructive interference? two waves moving through the same medium add their effects one wave prevents another from moving through the same medium two waves produce two more waves waves moving in opposite directions cancel each

The weight of an object is a. the force of gravity on its mass. b. the amount of matter in an object. c. the tendency of an object to resist motion. d. the tendency of an object to continue moving in a straight line.

The target substance of a drug is called a A. contraindicator. c. receptor. B. stimulator. d. transporter.

You are skateboarding and push back with one leg, and, as a result, the skateboard moves forward. Which law of motion is being described in this scenario?