Rohan a class 10 student was his mother in her cooking. his mother stressed the importance of copper bottom vessels for cooking and switching off of gas cylinder regulator after the use.
a) what values is shown by his mother?
b) why is rohan's mother so particular of using copper bottom vessel for cooking?
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Afisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. it takes a time of 2.70 s for the boat to travel from its highest point to its lowest, a total distance of 0.700 m. the fisherman sees that the wave crests are spaced a horizontal distance of 6.50 m apart. a. how fast are the waves traveling? b. what is the amplitude a of each wave?