With no air resistance a projectile fired horizontally maintains its horizontal component of velocity because of no initial vertical component of velocity.
no forces action it.
no horizontal forces act on it.
all of the above
none of the above

What is the rate of change in a objects position?

The charge on an electron is 1.60218 × 10−19 c and its mass is 9.10939 × 10−31 kg. how strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.5 cm? answer in units of t.

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter