A force of 120 n is applied on a toy car at an angle 60° with the horizontal direction, displaces it through a distance of 2.5m along the horizontal floor. Calculate the work done by force. Is the work positive or negative.given cos =60°0.5
If microwaves cause motion in water molecules , if a steel plate that is magnetized with an electromagnet is struck by microwaves ,would it cause the atoms of the plate to move in a more ordered manor since the electrons are aligned ?
In a nuclear reactor the fisson products produced when a nucleus splits uranium-235 are xxenon-143 and strontium-90, neutrons and 4x10^-11 joules of heat
a. Write the equation for the above reaction
b. Calculate the heat released if 1x10^24 atoms o uranium-235 were fissioned by this reaction
c. State the power available if the calculate energy released occurred in half a day
d. Comment on the magnitude of power produced by this power station. research the outputs of other types of power stations to compare this
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