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1 year ago

A 45 kg skydiver has a speed of 25 m/s at an altitude of 950 meters above the ground. Determine the

Mathematics

1 answer:

Montano1993 [528]1 year ago

3 0

The kinetic energy possessed by the skydiver is 14, 062. 5 Joules

<h3>What is kinetic energy?</h3>

Kinetic energy of an object is defined as the energy possessed by an object due to its motion.

It is also described as the work that is required to accelerate a body of mass from rest to its given velocity.

The formula for calculating kinetic energy is expressed as;

Kinetic energy = 1/2 mv²

Where;

m is the mass of the object
v is the velocity of the object

Now, substitute the values

Kinetic energy = 1/2 (45)(25)²

Find the square

Kinetic energy = 1/2 (45)(625)

Find the product

Kinetic energy = 1/2(28125)

Find the quotient

Kinetic energy = 14, 062. 5 Joules

Hence, the value is 14, 062. 5 Joules

Learn more about kinetic energy here:

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Answer:

Step-by-step explanation:

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3 years ago

Instructions: Rewrite the equation in Slope-Intercept Form. y−2=−2/5(x−5)

Leno4ka [110]

The equation in Slope-Intercept Form is y = -2/5 x + 4.

We have given that,

y−2=−2/5(x−5)

We have to rewrite the equation in Slope-Intercept Form.

<h3>What is the slope-intercept form of the line?</h3>

slope-intercept form is y = mx + b

for equation y - 2 = -2/5 (x - 5) we need to simplify/rearrange

so y - 2 = -2/5 x + -2/5 (-5)

= -2/5 x + 2

=> y = -2/5 x + 4

This line has a gradient of -2/5 (goes down 2 units and across 5 units) and a y-intercept of 4 so passes through the point (0,4).

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2 years ago

A piano has 88 keys. Fifty-two of the keys are white.

Tcecarenko [31]

Answer:

Step-by-step explanation:

88 - 52

=36

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3 years ago

6. All angles in the figure below are right angles. What is the area of the figure? (1 point)

lilavasa [31]

Answer:

Option (4)

Step-by-step explanation:

Area of the figure given in the picture = Area of large rectangle - Area of rectangle A

Area of rectangle A = Length × Width

= [9 - (2 + 4)] × 3

= 3 × 3

= 9

Area of the large rectangle = Length × Width

= 9 × 5

= 45

Therefore, area of the given figure = 45 - 9

= 36

Option (4) will be the correct option.

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3 years ago

A customer owes $33.63 in transaction fees and he/she gives you $40.00. how much change should the customer receive back?

Nataliya [291]

The customer should receive $6.37 back

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3 years ago