How do we know the age of the Sun?

When protons fuse together they release an immense amount of __ O heat and energy B. carbons O neutrons O electrons

Three balls with the same radius 18 cm are in water. Ball 1 floats, with half of it exposed above the water level.

A regulation basketball has a 22 cm di- ameter and may be approximated as a thin spherical shell. How long will it take a basketball starting from rest to roll without slipping 1.1 m down an incline that makes an angle of 49.

Environmental geography is where the focus is on what

A car is travelling down a straight road. The driver presses on the accelerator but the car does not change speed. How is this possible?

Why do space suits need to be pressurized?

Why do comets have tails?

The main characteristic of all vertebrates is the presence of a. cartilage b. a large brain c. a backbone d. an exoskeleton I got it. The answer was B

A projectile is thrown upward so that its distance above the ground after t seconds is h (t) equals negative 16 t squared plus 704 t. a) Find the maximum height the object reaches. b) Find the time it takes the object to reach the ground.

You are standing 100 meters from an object emitting a sound of constant intensity (loudness). You walk toward the source of sound until you are 20 meters from it. From your perspective, what has happened to the intensity of the sound?