Answer:
exothermic
Explanation:
An exothermic reaction is a chemical reaction that releases energy through light or heat. It is the opposite of an endothermic reaction. Expressed in a chemical equation: reactants → products + energy.
Answer:
Part a)
Part b)
direction = downwards
Explanation:
As we know that the negative charge will experience the force due to some other charge below it
the force is given as
now we know that
now plug in all data
since this is a repulsion force so it must be a negative charge
Part b)
As per Newton's III law it will exert equal and opposite force on it
So here the force on the charge below it will be same in magnitude but opposite in direction
so here we have
direction = downwards
Answer:
force of friction
Explanation:
the force of friction in an inclined place is less than that in lever, also a lever works on the principle that it reduces the amount of force required to to work while an inclined plane works by decreasing the amount of force required to do the work.
Answer:
The diagonal of the parallelogram PBCA is the resultant force R, which forms two scalene triangles with the forces F1 and F2. Since the sum of all the angles within a triangle is 180°, we can write γ function of α and β. The resultant force can also be calculated analytical, using force projections.
Explanation:
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Answer:
Potential energy in the system = 1,500 J
Explanation:
Given:
Total energy of a system = 2,000 J
Kinetic energy = 500 J
Find:
Potential energy in the system
Computation:
Total energy of a system = Kinetic energy + Potential energy
2,000 J = 500 J + Potential energy in the system
Potential energy in the system = 1,500 J