Physics, 09.10.2019 03:00, babytony1210

The atomic number of an element is determined by the number of a. electrons. b. protons. c. protons and neutrons. d. neutrons.

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answered: Jenifermorales101

the answer is b - protons

Explanation:

i have study island and i got it wrong when i put protons and neutrons

answered: Guest

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i just did this and got a 100.

answered: Guest

force is based upon mass and acceleration.the statement is not always true.

it can be explained from newton's second law of motion.

as per newton's second law of motion the rate of change of momentum is directly proportional to the applied force and takes place along the direction of force.

mathematically it can be written as -

$f\alpha \frac{dp}{dt}$

⇒ $f= k \frac{dp}{dt}$

here k is the proportionality constant whose value is 1.

$f=\frac{dp}{dt}$

$f= \frac{d[mv]}{dt}$

$f= m\frac{dv}{dt} +v\frac{dm}{dt}$

$f=ma+v\frac{dm}{dt}$ [a is the acceleration=dv/dt]

hence we see that force not only depends on mass and acceleration but also on velocity and rate of change of mass. force f will depend on mass and acceleration only when mass is constant.

hence the statement that force is based upon mass and acceleration is false.

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The atomic number of an element is determined by the number of a. electrons. b. protons. c. protons...