As an object increases in altitude, its mass:

A. increases

B. decreases

C. remains the same

Are bases chemically the same as acids true or false

Three children want to play on a see saw that is 6 meters long and has a fulcrum in the middle. Two of the children are twins and weigh 40 kg each and sit on the same side at a distance 2m and 3m away from the fulcrum. The other child weighs 80 kg.

During refraction, what happens to a wave when it travels from one medium to another? The wave travels in the opposite direction. The wave changes speed. The wave moves in the same direction. The wavelength increases.

A compound of sulfur (S) and oxygen (O) would most likely be ionic. True or False?

What is a physical property of a water bottle?

What are the arrangement of resistors in series

A pilot flies horizontally at 1300 km/h, at height h! 35 m above initially level ground. However, at time t! 0, the pilot begins to fly over ground sloping upward at angle u! 4.3° (Fig. 2-38).

A helicopter flies 30 km 30 degrees north of east, drops of the supplies to a research team; it then heads 50 degrees north of west traveling 70 km to drop the supplies to a filming crew. What is the resultant displacement of the helicopter?

Plaskett's binary system consists of two stars that revolve in a circular orbit about a center of mass midway between them. This statement implies that the masses of the two stars are equal (see figure below).

Is mercury (the planet) rocky or gaseous (meaning relating to or having the characteristics of a gas.)