Wildlife researcher starts from a and then reaches b, he turns towards north 40 degree to move towards c.
Total displacement is ac
Total horizontal displacement = 4+4 cos40 =7.06 km
Total vertical displacement = 4 sin40 =2.57 km
Total displacement = 7.51 km
Gamma rays, X-rays, most ultraviolet rays, and some infrared are absorbed by the atmosphere but do not reach the Earth's surface
Answer:
#See solution for details.
Explanation:
1.
Tools:.
:Calculate the speed of the wave using the time, it takes to travel along the rope. Rope's length, is measured using the meter stick.
-Attach one end of rope to a wall or post, shake from the unfixed end to generate a pulse. Measure the the time it takes for the pulse to reach the wall once it starts traveling using the stopwatch.
-Speed of the pulse can then be obtained as:
: Apply force of known value to the rope then use the following relation equation to find the speed of a pulse that travels on the rope.
-Use the measuring stick and measuring scale to determine values of the rope then obtain .
-Use the force measuring constant to determine . These values can the be substituted in to obtain
So far, all we have is a very short true statement. If it's a multiple choice question, then where are they ?