In the lab, a student is reading the amount of water in this graduated cylinder.
what is the amount of water in this cylinder?
oa) 20ml
b) 200ml
c) 24ml
d) 25ml

With physics question #5? for any !

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?

How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57×10−21 newtons?