The forces acting on a falling leaf are

A 123 kg box is resting on the ground. The coefficient of static friction is 0.34. What force must be applied to the box to start it moving?

What is the resolution of an analog-to-digital converter with a word length of 12 bits and an analogue signal input range of 100V? Show work.

Which quantity can be calculated using the equation E = mc2? A. The Energy needed to split an atom into separate protons, Neutrons and Electrons B. The Energy needed to split the nucleus into separate protons and neutrons C.

An object being swung in circles on the end of rope is an example of projectile motion. a. true b. false

If the velocity of a runner changes from - 2 m/s to - 4 m/s over a period of time, the runner's kinetic energy will become: (a) four times as great as it was. (b) half the magnitude it was. (c) energy is conserved. (d) twice as great as it was.

Elements have the same number of __as you move from left to right

What occurs when a liquid changes to a gas below its surface as well as on the surface? a. Sublimation b. Boiling c. Condensation d. Evaporation

Theory that many different realities are happening at once True or false

Which of the following is not shorthand to describe one of the three types of ecological relationships? +/+ -/+ +/0 -/0

Which of the following is the strongest claim? A. a claim that has been made multiple times by the smartest scientist B. a claim that is supported by a complex experiment that lasted 6 months C.