The weight of a barbell acting on a weightlifter in 80 N represents Fg.
<u>Explanation:</u>
Force exerted due to earth's gravity is represented as Fg. The gravitational pull is experienced by the mass of object has some force attached to by it which is called as force due to gravity.
The force is dependent upon the mass of the object experiencing the force. Hence the weight of a barbell acting on a weightlifter 80 N is the best example for Fg.
Answer:
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Explanation:
All you have to do to get the average speed is to calculate the total distance covered and divide it by the total time taken
= 16/18 = 0.88m/s
Answer:
potassium
Explanation:
i know its very reactive, so much so it can't be found openly in nature, so i believe potassium is the most reactive in period 4
The relationship between the speed, the frequency and the wavelength of a wave is given by:
where
f is the frequency
v is the speed of the wave
is its wavelength
for the pressure wave in this problem,
and v=1400 m/s, therefore its frequency is
