why liquids solidify when they are cooled.

A privet plane is traveling due east at a rate of 150 mph. A south wind is blowing 50 mph. What is the actual velocity of the plane? A. 141 mph B. 158 mph C. 172 mph D. 200 mph

What happens to the air temperature of a descending mass of air?

The number 3 in hydrogen in NH33 is the

Newton believed he knew the physical cause of gravity. True or False?

For a moving object, the force acting on the object varies directly with the object's acceleration. When a force of 21 N acts on a certain object, the acceleration of the object is 3 m/s.

The buildup of charges on an object is called

Which of the following statements is true? The freezing and boiling temperatures of a substance are the same. The freezing and condensation temperatures of a substance are the same. The freezing and melting temperatures of a substance are the same.

What's bigger 32A or 32B

Two charged objects have a repulsive force of. 080 N. if the charge of both of the objects is doubled, then what is the new force?

A hiker leaves her camp and walks 3.5 km in a direction of 55° south of west to the lake. after a short rest at the lake, she hikes 2.7 km in a direction of 16° east of south to the scenic overlook.