Answer:
Part a)

Part b)

Explanation:
As we know that mountain climber is at rest so net force on it must be zero
So we will have force balance in X direction


now we will have force balance in Y direction


Part a)
so from above equations we have



Part b)
Now for tension in right string we will have


Answer:
During charging by conduction, both objects acquire the same type of charge. If a negative object is used to charge a neutral object, then both objects become charged negatively. ... In this case, electrons are transferred from the neutral object to the positively charged rod and the sphere becomes charged positively.
the answer is d it reflects all the wavelengths of visible light.
The answer to your question is hypothesis
Answer:
1 can damage chromosomes
2 reduction in white blood cells ( will recover In Couple of days )
3 sickness
4 Temporary Reduction of Resistance.
Have a great Day!!