No, light does not have mass because a photon does not way anything.
Answer:
Explanation:
We need to supply 5 Nm to the bolt.
If we have a force of 25 N in the direction (2*i - 3*j), the torque is related to the length of the wrench.
T = F * d
d = T / F
d = 5 / 25 = 0.2 m
Assuming the wrench is perpendicular to the force.
The vector of the force is:
![F = 25 N \frac{2i - 3j}{\sqrt{2^2 + (-3)^2}} = 13.9i - 20.8](https://tex.z-dn.net/?f=F%20%3D%2025%20N%20%5Cfrac%7B2i%20-%203j%7D%7B%5Csqrt%7B2%5E2%20%2B%20%28-3%29%5E2%7D%7D%20%3D%2013.9i%20-%2020.8)
This is a countr-clockwise direction. If the bolt is right handed (most are) we are tightening it.
This shows observational learning, as Ian is following what others are doing and what others are encouraged to do. This is in contrast to other kinds of learning like classical and operant conditioning, where people learn based on associations of an event and a result (rather than based on what other people are doing).
Answer:
H = 109.2 TJ.
Explanation:
Please see the attachment below.
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