8. The tree branch in the previous problem sags, and the
child's feet rest on the ground. If the tension in the
rope is reduced to 220 N,
what is the value of the
normal force being exerted on
the child's feet?
A. 2.2 x 102N
C. 4.3x 102N
B. 2.5x 102 N
D. 6.9 x 102N

weather forecasts are done by collecting data about the current state of the atmosphere mainly the temperature, humidity and wind and using meteorology, to determine the atmosphere that evolves over time. the h and l mean the high and low pressure. the red strip is a warm front. the blue strip is a cold front. the blue and red strip is a stationary front. the purple strip is a occluded front.

explanation:

a displacement distance is size of displ

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.

conservation of mass

mass before something happens = mass afterwards