Select all of the examples of an acid.

Tomatoes

Soap

Lemons

Vinegar

Bleach

Bananas

Ammonia

Baking soda

What word is used to describe an object that reflects 100% of the incident light?

Which statement is true about magnetic poles? North and south poles repel each other. North and south poles attract each other. Two south poles will attract each other. Two north poles will attract each other.

Brass is an alloy of copper and zinc the two metals are melted mixed and then solidified how would you best classify brass

In which of the following elevator situations would the acceleration be positive. Select TWO answers 1. moving down at constant speed 2. moving up and slowing down 3. moving up at constant speed 4. moving down and slowing down 5.

The sweeping second hand on your wall clock is 16 cm long. Assume the second hand moves smoothly. Part A What is the rotational speed of the second hand? Express your answer in radians per second to two significant figures.

an athlete whirls a 7.00 kg hammer tied to the end of a 1.3 m chain in a horizontal circle the hammer moves at the rate of 1.0 rev/s what is the centripetal acceleration of the hammer

Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell occurs when

Ultrasound consists of sound at frequencies most people can hear?

Ali has less mass flying in a jet high above the earth than when she stands on the surface of the earth. True False

A passenger jet flies from one airport to another 1,333 miles away in 2.2 h. Find its average speed in the mks system of units.