figure 2.1 above shows a velocity-time
graph for a motorcycle travelling in a straight line. calculate and
(i) the instantaneous acceleration at t= 2 s and t = 12 s
(ii) the average acceleration for the time
interval between t=5 s and t = 20 s

Which of the following describes something an engineer would probably do first when developing new technology meant to reduce ocean pollution? o a. evaluate the benefits and challenges of using certain chemicals to purify water. o b. research new scientific findings in regard to ocean cleanup. o c. identify the need to reduce ocean pollution. o d. research what has been done in the past to clean up oceanic oil residue.

Avalue that describes how heavy an object is and is related to the force of gravity is

The necleus of an atom is made up of what subatomic particles?