Question

Hello I have a question for this problem A penny is thrown from the top of...

Hello I have a question for this problem A penny is thrown from the top of a 30.48-meter building and hits the ground 3.45 seconds after it was thrown. The penny reached its maximum height above the ground 0.823 seconds after it was thrown. The quadratic function h expresses the height of the penny above the ground (measured in meters) as a function of the elapsed time, t, (measured in seconds) since the penny was thrown. What are the zeros (roots) of h? I would like to know where does the value of b= 8.05712 came from?

Math   Advanced-Math   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

The answer for above problem is explained below.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1. Two identical eggs were thrown at the same time from the top of a building...
1. Two identical eggs were thrown at the same time from the top of a building of height 100 m at a speed 20. One egg was thrown at an angle 40° above the horizontal while another was thrown at the same angle but below the horizontal. How long does it take for the other egg to hit the ground after the one of the eggs hits the ground? Does the time difference between the eggs hitting the ground depend...
Problem 1. The function h = f(t) = 90 − 5(t − 2)2 , 0 ≤...
Problem 1. The function h = f(t) = 90 − 5(t − 2)2 , 0 ≤ t ≤ 6, gives the height of a rock (in meters) at time t seconds after being launched straight up from the edge of a cliff. (a) Sketch an accurate graph of the function h = f(t). Label the axes with the appropriate variable names and units. Label the curve with its equation. (b) Find a function g that expresses the time t when...
A ball is thrown from the roof of a building. The initial velocity vector is at...
A ball is thrown from the roof of a building. The initial velocity vector is at an angle of 53.0° above the horizontal. It is at maximum height in 1.04 seconds. Express all vectors in terms of unit vectors i and j. The ball strikes the ground at a horizontal distance from the building of 33.1 meters. a.) What is the vertical velocity (vector) at t=1.04 seconds? b.) What is the initial vertical velocity (vector)? c) What is the inital...
Please circle answers 1. A company that produces cell phones has a cost function of C(x)=3x^2−1500x+39900...
Please circle answers 1. A company that produces cell phones has a cost function of C(x)=3x^2−1500x+39900 where C is cost in dollars and x is number of cell phones produced (in thousands). How many units of cell phones minimizes this cost function? 2. A ball is thrown into the air and its position is given by h(t)=−4.9t^2+70t+5 where tt is measured in seconds and h(t) is measured in meters above the ground. Find the height at which the ball stops...
How do I solve this? A ferris wheel is 35 meters in diameter and boarded from...
How do I solve this? A ferris wheel is 35 meters in diameter and boarded from a platform that is 2 meters above the ground. The six o'clock position on the ferris wheel is level with the loading platform. The wheel completes 1 full revolution in 4 minutes. The function h = f(t) gives your height in meters above the ground t minutes after the wheel begins to turn. Write an equation for h = f(t).
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT