Answer:
800 Watts
Explanation:
Power = Work/time
Working in SI units, Power = Watts, Work = Joules, Time = seconds.
Power = 2240J/2.8s = 800 Watts.
Instantaneous velocity, on the other hand, describes the motion of a body at one particular moment in time. Acceleration is a vector which shows the direction and magnitude of changes in velocity. Its standard units are meters per second per second, or meters per second squared. (this is for number 3)
These type of commercials lead to little girls, teenagers, and women in general to feel bad about what they look like themselves and have a negative self image. extra anxiety to fit the role of the ultra thin, perfect woman<span> <span>Can lead to individuals engaging in anorexia, bulimia and over-exertion at the gym in order to attain the “perfectly-sculpted” body:
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http://objectificationofads.weebly.com/effects-on-women.html
use F = ma
F : force m : mass a : acceleration
so
f = 5kg * 20 m/s2 = 100 N
