Does lightning come from the ground? I have heard that lightning comes from the ground up. But when it strikes something on land, it's the top of that object that gets destroyed.

In what state is gold at a 800°c

If the strength of the magnetic field at A is 48 units and the strength of the magnetic field at B is 3 units, what is the distance to B? (Drawing is not to scale!)

What does refract mean?

How much work is needed to lift a barbell that has a weight of 445 N a total of 2 meters off ground

What is the tendency of matter to resist any change in motion?

What is the formula for velocity?

The 3.00 kg cube in fig. 15-47 has edge lengths d 6.00 cm and is mounted on an axle through its center. a spring (k 1200 n/m con - nects the cube's upper corner to a rigid wall. initially the spring is at its rest length.

A freight train traveling with a velocity of - 4. o m/s begins backing into a train yard. if the train's average acceleration is - 0.27 m/s^2 what is the trains velocity after 17s

How can we describe an atom

What is the volume of a gold nugget that weight 2.20kg. the density of gold is 19g/cm^3 ... ?