What are the four fundamental forces of nature?

What coefficients would balance the following equation? __C2H6 + __O2 → __CO2 + __H2O A. 1C2H6 + 5O2 → 2CO2 + 3H2O B. 2C2H6 + 5O2 → 4CO2 + 6H2O C. 2C2H6 + 7O2 → 4CO2 + 6H2O D. 2C2H6 + 10O2 → 4CO2 + 6H2O

The height, h, in meters of a dropped object after t seconds can be represented by h (t) = - 4.9 t 2 + 136. What is the instantaneous velocity of the object one second after it is dropped?

Substance a has a density of 3 g/cm3 and substance b has a density of 4 g/cm3. in order to obtain equal masses of these two substances, what must be the ratio of the volume of a to the volume of b?

What happens to the velocity of an object when balanced forces act on it? a. There will be no change c. There will be negative acceleration b. There will be positive acceleration d. Velocity will change, but not acceleration

Find the time t2 that it would take the charge of the capacitor to reach 99.99% of its maximum value given that r=12.0ω and c=500μf.

Suppose a cylindrical habitat in space 6.80 km in diameter and 24 km long has been proposed. Such a habitat would have cities, land, and lakes on the inside surface and air and clouds in the center.

Which option describes nonmetals? a. They conduct heat efficiently. b. They are good for making into wires. c. They are used to make machinery. d. They conduct electricity poorly.

Exercise safety relies significantly on choosing clothing appropriate for both the type of exercise and the environment of your exercise. true or flase

What is a transverse and longitudinal wave?

What is it when When humans control breeding of other organisms to favor certain traits