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natka813 [3]
3 years ago
11

A raging bull of mass 700 kg runs at 36 km/h .How much kinetic energy does it have ?

Physics
2 answers:
Alinara [238K]3 years ago
6 0
35000 joules. Kinetic energy = Ek = mV^2/2. m=700 kg. V = 10 m/s. Ek= 700 kg*100 m^2 7s^2/2. Ek = 35000 J
Ipatiy [6.2K]3 years ago
5 0

Answer:

Use equation for kinetic energy: Ek=mV²/2

m=700 kg

V=10m/s

Ek=700kg*100m²7s²/2

Ek=35000 J=35kJ

Explanation:

Hope this helps you

Do mark me as brainliest

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What are the two factors that affect the friction force between two surfaces
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Answer:

coefficient of static friction of the surface and the normal force

Explanation:

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A lamp hangs from the ceiling at a height of 2.6 m. The lamp has a mass of 3.8 kg. The screws holding the lamp break, and it fal
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Answer:

Explanation:

Given height of lamp from the ceiling = 2.6m

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As the body falls to the ground, it falls under the influence of gravity.

Gravitational potential energy = mass*acc due to gravity * height

Gravitational potential energy  = 3.8*2.6*9.81

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m = mass of the body (in kg)

v = velocity of the body (in m/s²)

To get the velocity v, we will use the equation of motion v^{2} = u^{2}+2gh

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K.E =  1/2 * 3.8 *7.14^{2}\\ K.E = 96.86Joules

c) To know how fast the lamp is moving when it hits the ground, we will use the formula. When the body hits the ground, the height covered will be 0m. this means that the body is not moving once it hits the ground. It stays in one position. The energy possessed by the body at this point is potential energy. The correct answer is therefore 0 m/s

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A three dimensional vector can be divided into three components: one along x-axis, one along y-axis and one along z-axis.

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A vector quantity has both magnitude as well as direction. The components are summed according to vector addition rules. For example, velocity, acceleration, force etc.

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