Which sentence best explains why shape 1 and shape 2 are not congruent?
2 answers:
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Complete Question
A juggler tosses a bowling pin in the air with an initial velocity of 18 ft per second. It leaves his hand when it is five feet from the ground and he catches it when it is four feet from the ground,How long is the ball in the air?
Answer:
Step-by-step explanation:
From the question we are told that
Initial velocity
Initial Height
Final Height
Generally the Newtons equation for motion is mathematically given by
Where
And
Therefore
Generally the equation for Time is mathematically Given as
Therefore the time spent on air by the ball is
<h3><u>Question</u><u>:</u></h3>
Emily is 4 times as old as Tiffany. In ten years time, Emily will be twice as old as Tiffany. Find their ages.
<h3><u>Solution</u><u>:</u></h3>- Let the age of Tiffany be x years.
- Then, the age of Emily = 4x years.
- After 10 years, the age of Tiffany will be (x+10) years.
- After 10 years, the age of Emily will be (4x+10) years.
- Therefore, by the problem
- So, Tiffany's present age = 5 years.
- Emily's present age = (4×5) years = 20 years.
Emily's age is 20 years and Tiffany's age is 5 years.
Hope it helps!