The whale shark is the largest of all fish and can have the mass of three adult elephants. Suppose that a crane is lifting a whale into a tank for delivery to an aquarium. The crane must exert an unbalanced force of 2.5 x 10 N to lift the shark from rest. If the shark’s acceleration while being lifted equals 1.25 m/s, what is the shark’s mass?

If the wheels lock when braking suddenly the vehicle: a: loses traction b: lose steering wheel ability c: gain speed slightly d: gain steering ability

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?

Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels.the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause,directly and indirectly, for such a rise in sea level is