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Fynjy0 [20]
2 years ago
10

Say what main energy change

Physics
1 answer:
Anit [1.1K]2 years ago
8 0

Answer:

b) boy kicking a football

Explanation:

it 's because the ball was at rest but when it was kicked, it starts to more

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What is needed to create a magnetic field?
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Explanation:

A magnetic field can be created by running electricity through a wire. All magnetic fields are created by moving charged particles. Even the magnet on your fridge is magnetic because it contains electrons that are constantly moving around inside

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Select the correct answer.<br> Which type of energy is thermal energy a form of
elena-s [515]
Kinetic energy. thermal energy (a low form of energy ) is a form of kinetic energy as it is produced as a result of motion of particles either if they vibrate at their position or they move along longer paths. Motion produces friction or resistance which leads to excitation and thus the heat is produced. The higher the motion of the particles, the higher would be the thermal energy.
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What hazardous wastes are common in ordinary households? What can you do to reduce the impact you make on the environment from t
labwork [276]

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3 0
2 years ago
A(n) _______ studies physical components and characteristics of celestial objects.
inna [77]

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Astronomers?

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5 0
2 years ago
a volleyball is hit upward with an initial velocity of 7.5 m/s. calculate the displacement of the volleyball when its final velo
Luden [163]

Answer:

The displacement of the volleyball is 2.62 m

Explanation:

Given;

initial velocity of the volleyball, u = 7.5 m/s

final velocity of the volleyball, v = 2.2 m/s

displacement of the volleyball, d = ?

Apply the following kinematic equation;

v² = u² - 2gd

2gd = u² - v²

d = \frac{u^{2}-v^{2}  }{2g}\\\\d = \frac{7.5^{2}-2.2^{2}  }{2*9.8}\\\\d = 2.62 \ m

Therefore, the displacement of the volleyball is 2.62 m

7 0
3 years ago
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