Answer:
workdone by the person in J is 445.92J
Explanation:
workdone= force x total distance
force= mass x acceleration due to gravity(g)\
mass=4.5kg
g=9.81m/s
force= 4.5 x 9.81 =44.15N
total distance=1.4+8.7=10.1m
workdone=44.15 x 10.1
=445.92J
Answer:&
Explanation:nsbxusbejsjxjwbeishdb
Technology can help people to become more motivated to do their work as modern technology is easier to use and access than other ways of getting information (such as going to the library)
Answer:
b. difference threshold
Explanation:
In psychology, the difference threshold, also known as<em> just noticeable difference</em>, refers to the slightest difference between two stimulations that an individual is able to detect. These stimuli could be, for example, a small difference in the weight or size of two objects, a slight difference in sounds, etc.
In this case, a person is asked to listen to a series of tones presented in pairs, and asked to say whether the tones in each pair are the same or different in pitch. Therefore, the researcher is most likely measuring the individual's <u>difference threshold</u>.
