Astronomy question,

what keeps supernova explosions from being seen?

A baseball is thrown directly upward from ground level with a velocity of + 15 m/s. What are the two times when the ball is 10 m above ground level? Take acceleration due to gravity to be - 9.8 m/s^2.

bromine, chlorine, and fluorine are examples of A. halogens B. Metalloids C. Noble Gases or D. Alkali metals

What is the maximum height of any vehicle that may be operated without a special permit?

What are two ways to think about time

In the Winter Olympics, an ice skater may lift his partner high above his head. A typical female ice skater weighs 400 N, and the male can usually lift her 1.4 m above the ice.

Which is a resource that the National Park Service manages? A. memorials B. wildlife refuges C. ecosystems D. endangered species

Write two examples (mathematical expression) of physical laws that change inversely with the square of the distance.

What units must be used to express the temperature in the equation for the ideal gas law? explain?

Which region of the Sun is typically about 6,000 C?

How well does the infographic ""Plastics in the Ocean"" present a solution to the problem it describes?