Activity 4: To sum up all the lesson you learned, please answer the given questions below.

1. Why do we need to know the uses of kitchen tools and equipment?
2. Can you independently use kitchen tools and equipment according to their uses? Yes or No. Give at least 3 example for each. ​

What is the length x of the side of the triangle below? (hint: use the cosine function)

Calculate the amount of heat produced when 18000 coulombs of charge is transferred in one hour through a potential difference of 50v

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct