What is the primary cause of surface ocean currents? a. wind b. salinity c. temperature d. the coriolis effect

In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied

Aplane travels 1000 miles in 5 hours .what is the planes average speed?