3.2 The not force acting on object A is zero between 10s and 1 = 20$ Use the graph and a relevant equation to explain
why this statement is TRUE
3.3 Calculate the magnitude of the impulse that object A experiences betwee
= 20 s and f = 50 S
(3)
At = 50 s. object A collides with another object. B. which has a momentum o
70 kg-
msEAST
Use the information from the graph and the relevant principle to
3.4 Calculate the momentum of object B after the collision
(5)​

Describe how the fermi level changes with donor level, temperature and contact with p and n type semiconductors

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented.b)scientists had not completely finalized their results, which took 30 years.c)cigarettes were cheaply available and media channels were very inefficient.d)cigarette manufacturers were trying hard to bring an alternative into the market

Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience.b. report the adverse drug experience to the irb only if there are several other occurrences.c. report the adverse drug experience as part of the continuing review report.d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb.