What causes lightning? a. thunder c. rising warm air b. an electric discharge d. air masses meeting

A Newton is 1 kgm/s^2. Is this a fundamental unit or a derived unit?

A boat floats because of which force? A. Cohesive force B. Buoyant force C. Adhesive force D. Weight

Two samples of water sample a mass at 100 G BB mass at 250 g they both have the same initial temperature and are allowed to cool to room temperature what would be the temperature change in Sample be compared to sample a

Must an object be rotating to have a moment of inertia?

Some cats can be trained to jump from one location to another and perform other tricks. Kit the cat is going to jump through a hoop. He begins on a wicker cabinet at a height of 1.

A dc generator is the same as a (n) a. electric motor. b. ac generator. c. armature. d. electric current.

Which of the following best describes scientific knowledge A.) Durable B.) Absolute and never changing C.) Frequently varies

Beth made the chart shown. A 2-column table with 1 row. The first column labeled X has entries Wall clock, T V remote control, Portable music player. The second column labeled Y has entries Refrigerator, Table lamp, Hair dryer.

Which sentence states Newton's third law? If two objects collide, each object exerts a force in the same direction as the other. If two objects collide, each object exerts a force equal to and in the opposite direction of the other.

Why did the chicken cross the road.