4) Kinetic energy is directly related to _______
1 answer:
Answer:
4) C.mass
5) C. Potential Energy
Explanation:
4) Kinetic energy (KE) of an object is the energy that it possesses due to its motion. If a mass is in motion ,it has a kinetic energy .
By definition
what matters in Kinetic energy is the mass and the velocity only .
there fore the answer is
C.mass
5) Potential energy is the energy stored in an object, due to the object's position or arrangement.
By definition
in potential energy the height matters.higher the height , higher the energy
therefore the answer is
C.Potential Energy
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Answer:
F = 2.49 x 10⁻⁹ N
Explanation:
The electrostatic force between two charged bodies is given by Colomb's Law:
where,
F = Electrostatic Force = ?
k = colomb's constant = 9 x 10⁹ N.m²/C²
q₁ = charge on proton = 1.6 x 10⁻¹⁹ C
q₂ = second charge = 1.4 C
r = distace between charges = 0.9 m
Therefore,
<u>F = 2.49 x 10⁻⁹ N</u>