Wood, plastic, rubber and air are good insulators because A. they conduct charge. B. charge flows easily. C. they don't have free electrons. D. they have low resistance.

Why does fluid pressure exist?

Can a measurement be exact

What is the kinetic energy of an automobile with a mass of 1273 kg traveling at a speed of 12 m/s? answer in units of j?

A 124-kg balloon carrying a 22-kg basket is descending with a constant downward velocity of 20.0 m>s. A 1.0-kg stone is thrown from the basket with an initial velocity of 15.

A cornea transplant involves the grafting of a donor cornea into a recipient's anterior eye. The sutures to hold the graft in place must stay in place for a long period of time because the cornea is slow to heal.

Sulfur oxides (SO2) are responsible for A) global warming. B) greenhouse gases. C) producing acid rain. D) destroying the ozone layer.

During a collision between a photon and an electron, there is conservation of

To produce change in motion, a force must be a (n) A) balanced force B) unbalanced force C) frictional force D) gravitational force

What is meant when Earth's systems are said to be "dynamic"? they are all the same type they are slow moving they cannot be measured they are constantly changing

Which of the following statements about electrons is FALSE? Group of answer choices the closer an electron is to the nucleus, the more strongly the electron is attracted to the nucleus and therefore the more potential energy the electron has