The mixture you separated was mixture of iron filings, sand, and salt. Based on your understanding of matter, is this mixture a homogeneous mixture or heterogeneous mixture? How do you know?

Examples of useful high and low friction

How can you tell if the force is attractive or repulsive in electrostatics?

The center of the atom that contains the proton and the is the A. electron B. nucleus C. orbit

Which quantity can be used to describe the complete motion of a projectile that is launched at an angle?

What energy resource is the most convenient to use?

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?

What is the peak emf generated by a 0.250 m radius, 500-turn coil is rotated one-fourth of a revolution in 4.17 ms, originally having its plane perpendicular to a uniform magnetic field. (This is 60 rev/s.)