Answer:
2.5 m/s
Explanation:
Mechanical energy is the sum of the potential and kinetic energy.
E = PE + KE
E = mgh + ½mv²
172.1 J = (7.26 kg) (9.8 m/s²) (2.1 m) + ½ (7.26 kg) v²
v = 2.5 m/s
Answer:
Electrostatic force is force between two charges separated by distance in space while gravitational force is the force between two masses separated by a distance. Electrostatic force is either repulsive or attractive while gravitational force is always attractive
Explanation:
Answer:
<em>(a) Effect of pressure :</em>
<em>(a) Effect of pressure :(b) Effect of temperature :</em>
<em>(a) Effect of pressure :(b) Effect of temperature :(c) Effect of density :</em>
<em>(a) Effect of pressure :(b) Effect of temperature :(c) Effect of density :(d) Effect of moisture (humidity):</em>
<em>(a) Effect of pressure :(b) Effect of temperature :(c) Effect of density :(d) Effect of moisture (humidity):(e) Effect of wind:</em>
Explanation:
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Answer: electrical energy
Explanation:A battery is a device that is able to store electrical energy in the form of chemical energy, and convert that energy into electricity