How much positive and negative charges is there in a cup of water?

Turbulent motions in thunderstorms cause charge separations that result in very large potential differences between the clouds and the ground. When lightning occurs, a large amount of charge is transferred between the cloud and the ground. If 46.

What must be the contact area between a suction cup (completely exhausted) and a ceiling in order to support the weight of a 54.3 kg student? the acceleration of gravity is 9.8 m/s 2?

The diagram below shows the forces acting on a box. Describe the motion of the box. Calculate all forces

Which of the following effects does low nitrogen availability most likely have on the carbon cycle? a. more carbon dioxide is taken up by plants b. carbon dioxide is trapped in the soil around plants c.

In a fission or fusion reaction, what is true about the mass of the reactants compared to the mass of the products

The dimensions of a block that weighs 30 N are 0.23 mx 0.12 mx 0.075 m. What pressure does the brick exert on the ground if it is resting on its largest face?

What is the current in a circuit with a 9.0 V battery and a resistance of 36.0 Ω?

Two objects attract each other gravitationally. if the distance between their centers decreases by a factor of 2, how does the gravitational force between them change

In which of the following wave types is the particle motion perpendicular to wave motion? a: longitudinal wave b: p wave c: surface wave d: transverse wave

Convert 1.5 radian into milliradians.