A jet pilot pulls his plane out of a dive in a constant speed. If his heart is 0.5 m below his
brain .What is the blood pressure in the brain?
(Assume blood pressure at heart is 6.3 KPa;
and the density of blood is 1060kg/m³)?

What do you think car designers do if the damage caused by a crash test is too severe?

A10nc charge sits at a point in space where the magnitude of the electric field is 1500 n/c. what will the magnitude of the field be if the 10 nc charge is replaced by a 20 nc charge? assume the system is big enough to consider the charges as small test charges.

Which composition of water moves to begin a deepwater current?