Which gases are carried by red blood cells? Select two options.

oxygen

helium

carbon dioxide

nitrogen

hydrogen

A beetle with a mass of 15.0 g is initially at rest on the outer edge of a horizontal turntable that is also initially at rest. The turntable, which is free to rotate with no friction about an axis through its center, has a mass of 75.

A negative charge of - 0.510 μC exerts an upward 0.600-N force on an unknown charge that is located 0.300 m directly below the first charge.

How much electrical energy is used by a 75 W laptop that is operating 12 minutes?

Car a is traveling at a constant speed 90 m/s east. a second car b is initially at rest when car a passes it at t=0.

A cyclist rides down a long straight road at a velocity (in m/min) given by v (t) equals400minus20 t, for 0less than or equalstless than or equals10. a. How far does the cyclist travel in the first 6 min? b.

Which statement about ammeters and voltmeters is true? A. Current and voltage are the same throughout a circuit so where you place the ammeter and voltmeter doesn't matter. B.

Teens realize that things may be "shades of gray" after they enter Piaget's social stage. identity crisis stage. menarche stage. formal operational stage.

Technician A says that fractured rods have a unique mating surface and that only the cap that was fractured is the one that will fit that rod. Technician B says that a powdered metal rod is less expensive, lighter, and as strong as a forged rod.

What is the expected wavelength (in cm) of 10.5 ghz microwaves in free space?

There are 5,280 feet in 1 mile and 12 inches in one foot. How many inches are in a mile?