If an element has 5 electrons how many of them will be in the 2nd energy level

In the demolition of an old building, a 1,300 kg wrecking ball hits the building at 1.07 m/s2. Calculate the amount of force at which the wrecking ball strikes the building.

The inductance of a solenoid with 450 turns and a length of 24 cm is 7.3 mH. (a) What is the cross-sectional area of the solenoid? (b) What is the induced emf in the solenoid if its current drops from 3.2 A to 0 in 55 ms?

Which of the options is the best definition of a vector? A. a specific type of imaginary number B. a quantity with both magnitude and direction C. a magnitude described as a number D. the magnitude of a value

Which of the following is an instance of persuasive speaking? a. a coach reviewing the offensive plays for next week's game b. a lawyer explaining the details of a plea bargaining agreement to her client. c.

The world speed record on water was set on October 18,1978 by Ken Warby. If ken drove his motorboat a distance of 1500m in 3,1023, how fast was his boat moving in meters per second and kilometers per hour?

If an astronomer claims to have discovered an object with a very eccentric orbit, what best describes the orbital trajectory of the object?

This gland lets your body use energy

Question: Suppose you see a crescent Moon; how much of the Moon's entire surface (the full globe of the Moon) is in daylight?

What is the maximum number of atoms that can be bonded in an ionic bond

You dribble a basketball while walking on a basketball court list the pairs of action reaction forces in this situation