John F. Kennedy was the youngest man ever to be elected President of the United States.

True

False

What are two ways in which radio waves and X-rays are different?

Why do we only see one side of the moon

Billy is pushing a book with a force of 100N to the left, and Johnny is pushing the same book with a force of 80N to the right. What is the Fnet? 20N to the left 20N to the right 20n to the right 20n to the left

Which element has 19 electrons surrounding the nuclei of its atoms?

Neural impulses reach the brain from the eye through the?

A mirror what a flat surface is a a.) convex mirror b.) concave mirror c.) plane mirror d.) virtual mirror

The mass of a certain neutron star is 1.2 * 1031 kg (6 solar masses) and its radius is 5000 m. what is the acceleration of gravity at the surface of this condensed, burned-out star

The density of ice is 0.93 g/cm3. what is the volume, in cm3, of a block of ice whose mass is 5.00 kg? remember to select an answer with the correct number of significant figures.

Two planets p1 and p2 orbit around a star s in circular orbits with speeds v1 = 44.0 km/s, and v2 = 56.2 km/s respectively. (a) if the period of the first planet p1 is 700 years what is the mass, in kg, of the star it orbits around? kg

The theory describing the movement of the plates is called plate motion theory. True or false?