Answer:
Option b is right.
Step-by-step explanation:
When an object is thrown upwards, the acceleration acting is acceleration due to gravity in a negative manner.
a = -32 ft/sec square
Initial velocity let it be u
Final velocity when it reaches maximum height is 0
Use the formula connecting, u, v, a and s
ft/sec
Hence we find that initial velocity is 226 ft/sec
Option b is right.
Answer:
The larger angle is 70°
And The smaller angle is 20° .
Step-by-step explanation:
Given as :
The ratio of two complementary angles = 7 : 2
Let The larger angle = 7 x
And The smaller angle = 2 x
Now, According to question
<u>Complementary angle is define as when two angles were added to make right angle i.e 90° are complementary to each other .</u>
So, here
7 x + 2 x = 90°
Or, 9 x = 90°
∴ x =
i.e x = 10°
Now, putting the value of x
So, The larger angle = 7 × 10° = 70°
And The smaller angle = 2 × 10° = 20°
Hence, The larger angle is 70°
And The smaller angle is 20° . Answer
The excluded values of x are and
Explanation:
The given expression is
The excluded values are the values in the fraction which makes the denominator equal to 0.
Thus, from the definition of excluded values, let us equate the denominator to 0.
Hence, we have,
Adding both sides of the equation by 1, we get,
Taking square root on both sides of the equation, we get,
Simplifying, we get,
Thus, the excluded values of x are and