What will be the frequency of an alternating current if its direction changes after every 0.01 sec

If you roast a marshmallow is it a chemical or physical change

2. What characteristics does the domain Bacteria have

A motorcycle with mass 100kg can accelerate from 0-60mph (0-26.8m/s) in 2.8s. What is the force of the motor and what is the power if this acceleration can occur in 37.52m?

What's the mathematical formula for density

What type of bond occurs when two atoms share one pair of valance electrons? A. an ionic bond B. a covalent bond C. a hydrogen bond D. a shared bond

A farmer had 15 sheep, and all but 8 died. How many are left?

While playing with her 5 year old cousin, a Physics 135 student pushed him forward on his scooter. She pushes with a force of 50 Newtons for 3.5 seconds. If the boy and the scooter together have a mass of 30 kg, what is their final velocity? a. 2.

3. A 120.0 V generator supplies 3.0 kw of power. How much current ca the generator deliver?

An apple drops from a tree and hits the ground in 1.5s what is its speed just before it hits the ground?

Sound travels slow in cold air. Why does the speed of sound depend on air temperature?