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First you need to get position vectors for x and y using polar coordinates:
Acceleration is the 2nd derivative of position, Find 2nd derivatives of both x and y:
Finally, evaluate acceleration at (3,4)
x = 3 when cos = 3/5
y = 4 when sin = 4/5
Substitute into acceleration functions:
Final Answer:
Acceleration is the 2nd derivative of position, Find 2nd derivatives of both x and y:
Finally, evaluate acceleration at (3,4)
x = 3 when cos = 3/5
y = 4 when sin = 4/5
Substitute into acceleration functions:
Final Answer:
Both expressions illustrate the use of algebraic expressions.
The missing term of -46x + 18 is 2
The expressions are given as:
-4(12x - 5) + 2x and -46x + 18
Let the first term of -46x + 18 be represented with variable y.
So, we have:
y -46x + 18
Equate both expressions
Open brackets
Collect like terms
Hence, the missing term is 2
Read more about algebraic expressions at:
The surface area of the cube-shaped wooden chest which has the side edges of 4 feet shown is 96 square inches.
<h3>What is the surface area of a cube?</h3>Surface area of cube is the sum of the area of each face by which it is enclosed. The surface area of cube can be calculated with the following formula;
Here, (<em>a</em>) is the length of side of the cube.
You want to stain the lateral faces of the wooden chest shown. Find the area that you want to stain in square inches.
A cube-shaped wooden chest with side edges of 4 feet. Thus the surface area of it is,
Thus, the surface area of the cube-shaped wooden chest which has the side edges of 4 feet shown is 96 square inches.
Learn more about the surface area of cube here;
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