An isotope has the same number of but a different number of than other atoms of the same element.

The force of gravity on a car driving on a planet is called

Which is true? light waves do not change speed as they travel from air through water. light waves speed up as they travel from the air through the water light waves slow down as they travel from the air through the water.

Two forces, each of magnitude 8N act on an object. The angle between the two forces is 60. What is the magnitude of the resultant force acting on the object

What could u test to determine the stage of a stars cycle

A tow can pull a car out of a ditch in 7.5 seconds. How many work is done if the truck has power of 5500 watts?

The friends now feel ready to try a problem. Suppose an Atwood machine has a mass of m1 = 2.5 kg and another mass of m2 = 8.5 kg hanging on opposite sides of the pulley. Assume the pulley is massless and frictionless, and the cord is ideal.

What are the 3 main branches of natural sciences

A girl is walking 2km north them east then south then west whar is her displacement

Find the y-component of this vector:73.3,12.0m. Remember, angles are measured from the + x axis.

A smaller unit of volume than a milliliter would be a microliter. A microliter is one-millionth of a liter. Select one: a. True b. False