Which one is made up of one or more molecules?

a. Protons

b. Atoms

c. Water

d. Nucleus

e. Electrons

A copper wire has area 2mm2 carries current 10A. how many electrons pass through given area in one second?

Para que sirve un armón

Maureen is training for a backpacking trip. Which of the following training plans follows the FITT principle? Swim three days a week, keeping the same pace and distance. Walk three days a week, gradually adding distance and hills.

An object is moving due south at a constant velocity. Then, a net force directed due west acts on the object for a short time interval, after which, the net force on the object is zero newtons.

A charged particle moves at 2.5 * 104 m/s at an angle of 25° to a magnetic field that has a field strength of 8.1 * 10-2 T. If the magnetic force is 7.5 * 10-2 N, what is the magnitude of the charge?

An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 10.0 m/s in 3.30 s.

Why do skiers often wear sunglasses while they are skiing

The amount of gravitational force exerted on each other between two objects depends on their A) mass and distance. B) mass and diameter. C) distance and volume. D) distance and location. Eliminate

Why is plasma called the "fourth state of matter"? I've recently heard that plasma is sometimes referred to as the "fourth state of matter". Why is this? Why is it not the first, second or third?

Which of these would you include ina free body diagram for a bicycle-plus-rider taken together as the bicycle is being pedaled up the hill?