A particle that is composed of two up quarks and

one down quark is a

(1) meson (3) proton

(2) neutron (4) positron

Energy can be blank from one form to another

If a force of 12 N is applied to an object with a mass of 2 kg, what will be its acceleration?

Which statement below could be used as evidence to support the claim that using nuclear energy to produce electricity is better than using fossil fuels?

A hot air balloon is hovering in the air when it drops a 40 Kg food package to some lost golfers. If the package is dropped from an altitude of 500 m and air resistance can be neglected, how fast is the package moving when it hits the ground?

Which of the following has no inertia? A. a spaceship in orbit B. a piece of dust in space C. a vacuum containing no mass D. a baseball moving at a constant 5 m/s

What's the definition of streak

The organization of notes into regular groups results in A. some notes sounding more prominent than others. B. all notes lasting for the same amount of time. C. patterns of long and short notes. D. a steady beat.

Sara is sitting in the back seat as her father drives at a constant speed. If Sara's father presses on the brakes quickly slowing the car down, what slows Sara down? A. air resistance on the inside of the car B.

A box of books has lessequalmore inertia than a box of cotton balls.

A penny is placed on a rotating turntable. Where on the turntable does the penny require the largest centripetal force to remain in place? Give your reasoning.