Abicyclist increases her speed from 4.0 m/s to 6.0 m/s. the combined mass of the bicyclist and the bicycle is 55 kg. how much work did the bicyclist do in increasing her speed? a. 11 j b. 28 j c. 55 j d. 550 j

Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air

The amount of work done is determined by 2 factors. describe an example of work (using the scientific definition) list the 2 factors that determine the amount of work done.