Answer:
35 N to the left
Explanation:
Do 65 minus 30, and you get 35 N to the left
Because force is a vector quantity, you have to mention both magnitude and direction in your answer.
The action force is when you are putting your weight on the chair when you are sitting down. the reaction force is the force exerted by the chair that pushes up on your body and is equal to your weight.
Answer:
Frequency, f = 0.63 Hz
Period, T = 1.58 s
Speed of a wave, v = 1.34 m/s
Explanation:
The equation of a wave is given by :
...(1)
y is in mm
x is in meters
t is in seconds
The general equation of a wave is given by :
...(2)
(i) Compare equation (1) and (2) we get :
Since,
(ii) Period of wave is :
(iii) Speed of a wave,
Good question. Im not sure what you mean by volumn in this case, but volumn, temperature, and pressure are just three different manifestations of the same thing: how fast gas molecules are flying. When they fly at high speed, our physical body senses it as heat(temperature) and pressure. Pressure is how hard you push something, and if there's high pressure it will push further, hence high volumn. Point being they are all basically the same thing with different names. Hope it helps...
It’s b because of how it’s answered