Name the four fundamental forces of nature, the forces front which all others are derived

According to the tide table below what time of day will the highest tide occur?

5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.

What is a good example of instantaneous speed