Acar is moving at 12 m/s and has a mass of 600 kg. what is the kinetic energy of the car? a)36,300 b)42,200 c)72,600 d)86,400

The kinetic energy of the car is, 43,200 kgm/s

Step-by-step explanation:

Using the formula:

          ....[1]

where,

K.E is the Kinetic Energy

m is the mass

and v is the velocity.

As per the statement:

a car is moving at 12 m/s and has a mass of 600 kg.

⇒m = 600kg and v = 12m/s

Substitute these given values in [1] we have;

⇒

⇒

Simplify:

⇒ kgm/s

Therefore, the kinetic energy of the car is, 43,200 kgm/s

37/3

step-by-step explanation:

step 1: simplify both sides of the equation.

7x+8(x+

1

4

)=3(6x−9)−8

7x+(8)(x)+(8)(

1

4

)=(3)(6x)+(3)(−9)+−8(distribute)

7x+8x+2=18x+−27+−8

(7x+8x)+(2)=(18x)+(−27+−8)(combine like terms)

15x+2=18x+−35

15x+2=18x−35

tep 2: subtract 18x from both sides.

15x+2−18x=18x−35−18x

−3x+2=−35

step 3: subtract 2 from both sides.

−3x+2−2=−35−2

−3x=−37

step 4: divide both sides by -3.

−3x

−3

=

−37

−3

x=

37

3

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