A man wishes to swim accross a river 600m wide .If he can at the rate of 4km/h in still water and the river flows at 2km/h .Then in what direction must he swim to reach a point exactly opposite to the starting point and when will he reach it ?​

How much work would a child do while puling a 12-kg wagon a distance of 3m with a 22 n force directed 30 degrees with respect to the horizontal? (a) 82j (b) 52j (c) 109j (d) 95j

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point