Two boats leave the same port at the same time. One travels at a speed of 31 mi/h in the direction N 50° E and the other travels at a speed of 20 mi/h in a direction S 70° E (see the figure). How far apart are the two boats after one hour? (Round your answer to the nea...
A communications tower is located at the top of a steep hill, as shown. The angle of inclination of the hill is 58°. A guy wire is to be attached to the top of the tower and to the ground, 150 m downhill from the base of the tower. The angle α in the figure is determi...
Water is flowing down through the pipe shown in the drawing. Point A is 0.410 m higher than B. The speed of the water at A and B are vA = 5.00 m/s and vB = 3.80 m/s. Determine the difference PB - PA in pressures between B and A. The density of water is 1.00x10^3 kg/m3.
What are some reasons why society, especially in the U.S., has been more and more accepting of the view of global warming? Please post to these questions by the end of Week 3.
Assuming reaction goes to completion, determine the final concentration of NH4Cl in the calorimeter. heat capacity =3.03J/g.c density =1.012 5g of NH4Cl used 100 mL of water used NH4Cl(s) + H2O(l) --> NH4Cl(aq)
HOw can i explain this to a 4th grade student as it seems her teacher did not do the number substitution like W and dividing to get the answer.
the girls high school basketball team played 12 games. they won 6 more games than they lost. find the number of games the basketball team won.
Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed the test than students ...
-2 |h-7|= -28
Compared to the particles of a gas, the particles of a liquid are not in constant motion collide with the sides of the container, but not with each other do not completely fill their container can move longer distances have more space in between the molecules