The wire (below) is placed under a compass needle and electrons are flowing from A to B What direction will the compass needle point? electrons
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- Will rate!! A Freebody diagram is foreign object is shown in the figure. FA = 420 N, FB = 300 N, FC = 275N, and FD = 295N. Assume angle left = 31degrees, and alpha =13 degree. How much work in (J) does FA do on the object if it moves 2.9 m downward?Show all the workIn 1953, the US Army field-tested the M65 Atomic Cannon, capable of firing a W9 warhead (364 kg) at a velocity of 333 m/s, whereupon it exploded with energy of 15 kilotons of TNT. A) In the absence of air resistance, what is the optimal angle for firing the shell? Using your answer, how far would the shell travel? Assume the shell was launched and landed at the same height? B) How long was the shell in the air? C) What is the velocity (Magnitute and Direction) of the shell at the top of its trajectory?
- A 20m rope is hanging over the edge of a 50m building. Attached to the end is 2 kg bucket carrying 30kg of sand. There is a whole in the bucket that allows the sand to leak out at 0.5 kg/m. Disregarding the rope, how much work is done lifting the bucket to the top of the building? Show all work. Include units. Method of solving: fnint(), rounded to nearest whole number or Fundamental Theorem. Your choiceA 51 kg boy on a skate board traveling to the east with a speed of 9.9 m/s. After crossing a gravel area, his speed decreases to 1.7 m/s. Calculate the net work in joules done to the boy.What is the answer with shown work.