luisjimenez3654
Answered

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An object moving with a speed of 48 m/s has a kinetic energy of 4,632 J, what is the mass, in kg,
of the object?
Please note the following:
Use g= 9.8 m/s2 for gravity
• Do not use commas in your answer to show place value.
• Do not use units in your answer.
As you work, please round to the nearest hundredth.
• Round your final answer to the nearest tenth if necessary. Plz help it’s a quiz

An Object Moving With A Speed Of 48 Ms Has A Kinetic Energy Of 4632 J What Is The Mass In Kg Of The Object Please Note The Following Use G 98 Ms2 For Gravity Do class=

Sagot :

Eduard22sly

Answer:

4.0 Kg

Explanation:

From the question given above, the following data were obtained:

Velocity (v) = 48 m/s

Kinetic energy (KE) = 4632 J

Mass (m) =?

Kinetic energy can be defined as the energy possess by a moving object. Mathematically, it is expressed as:

KE = ½mv²

Where

KE => kinetic energy

m => mass of object

v => velocity

With the above formula, we can obtain the mass of the object as follow:

Velocity (v) = 48 m/s

Kinetic energy (KE) = 4632 J

Mass (m) =?

KE = ½mv²

4632 = ½ × m × 48²

4632 = ½ × m × 2304

4632 = m × 1152

Divide both side by 1152

m = 4632 / 1152

m = 4.0 Kg

Therefore, the mass of the object is 4.0 Kg

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