Lightning is an example of what phenomenon?

a release of a large amount of energy

an absorption of a large amount of energy

a natural electric circuit

a natural electric current

Why the bicycle stops when the cyclist stops pedaling?

What appears to emit regular bursts of radio waves

Jenny puts a book on her desk. she lifts the book up with her finger, using a force of 0.5N. The cover is 10cm wide. calculate the turning moment on the cover of the book

The importance of iron and copper physics

At an instant when a soccer ball is in contact with the foot of the player kicking it, the horizontal or x component of the ball's acceleration is 900 m/s^2 and the vertical or y component of its acceleration is 870 m/s^2. The ball's mass is 0.31 kg.

What is one of the benefits that scientists have discovered from organisms' daily exposure to radioisotopes? 1. being able to Carbon date fossils 2. X-ray Imaging capability 3. radiation treatment for cancer 4. invention of microwave cooking

Despite valid research, in the late 1900s, women and minorities were thought to have a higher level of intelligence than white males

Radio communications were severely Distributed last week And the local newspaper says that solar activity is to blame. Which type of solar activity could the newspaper be talking about?

Why is it important for car designers to keep accurate records of their experimental procedures

When you bring the negatively charged balloon near a rod, how do the electrons move? The electrons move away from the balloon. The electrons do not move. The electrons move toward the balloon.