Ahose directs a horizontal jet of water, moving with a velocity of 20m/s, on to a vertical wall. the cross-sectional area of the jet is 5 x 10-4m2. if the density of water is 1000kgm-3, calculate the force on a wall assuming the water is brought to rest there

The four giant gas points that are made primarily of lightweight elements are

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

Which lists the organs in the correct order as food passes from the mouth to anus?