The sun generates energy through what?

a. nuclear fusion

b. helium building

c. hydrogen synthesis

d. atomic separation

How big is the planet earth

an electrical iron box having power 400w is operated in 10hours. what will be the energy consumed by the device in commercial unit?

Which of the fundamental forces explains the structure of atoms and molecules?

Researcher may claim a causal relationship between variables if one variable influences another.

A particle with a charge of 3.00 elementary charges moves through a potential difference of 4.50 volts. What is the change in electrical potential energy of the particle? (1) 1.07 * 10 19eV (2) 2.16 * 10 18eV (3) 1.50 eV (4) 13.5 eV

How do the tension of the cord and the force of gravity affect a pendulum? A. They are the competing forces that act on a pendulum as it swings. B. They are the two factors that affect the period of a pendulum. C.

What is an example of static friction

What is the configuration of NE

Why does ice generally have very little friction when it is in contact with other materials?

A stationary speed gun emits a microwave beam at 2.10*10^10Hz. It reflects off a car and returns 1030 Hz higher. What is the speed of the car?