1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ella [17]
3 years ago
11

An inflatable raft (unoccupied) floats down a river at an approximately constant speed of 5.3 m/s. A child on a bridge, 60 m abo

ve the river, sees the raft in the river below and attempts to drop a small stone onto the raft. The child releases the stone from rest. In order for the stone to hit the raft, what must be the horizontal distance between the raft and the bridge when the child releases the stone?
Mathematics
1 answer:
anyanavicka [17]3 years ago
4 0

Answer:

Distance = 18.55 m

Step-by-step explanation:

Here, Firstly we have to find time taken to fall stone by the child from bridge.

Given, height(s) = 60 m

Thus using formula,

s=u+\frac{1}{2}at^2

60 = 0 + 0.5 × 9.8 × t²

⇒ t² = 12.245

⇒ t = 3.5 sec

Now, we know speed of raft and time to reach below bridge.

We have, Speed = 5.3

t = 3.5 sec

Using Formula,

Speed = Distance ÷ Time

⇒ 5.3 = Distance ÷ 3.5

⇒ Distance = 5.3 × 3.5

⇒ Distance = 18.55 m

Thus, the horizontal distance between the raft and the bridge when the child releases the stone is 18.55 m.

You might be interested in
HELP DUE 8:30 will give brainliest
MariettaO [177]

The roots of the parabola is where the x-intercepts are so the answer is x=-1 and x= 5

5 0
3 years ago
Which best describes the graph of f(x) = log2(x + 3) + 2 as a transformation of the graph of g(x) = log2x?
dlinn [17]

3 units left

2 units up

7 0
3 years ago
Read 2 more answers
X + 3 &lt; 15<br> what is 4
professor190 [17]

Answer:

X = > 12 because 15 - 3 = 12 and if X was more than 12 it would be wrong.

Step-by-step explanation:

6 0
3 years ago
Please help me. i’ll give you brainliest points
monitta

Answer:

i dont know

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
The distance y (in centimeters) a spring is compressed by a force x (in kilograms) is given by
kirza4 [7]

Answer:

(x, y) = {(20, 1.3), (40, 2.6), (60, 3.9), (80, 5.2), (100, 6.5)}

Graph C represents the table of values

Step-by-step explanation:

To complete the table, substitute each value of x into the equation, y = 0.065x, to find each corresponding y-value.

Thus:

✔️When x = 20:

y = 0.065x

y = 0.065(20)

y = 1.3

✔️When x = 40:

y = 0.065x

y = 0.065(40)

y = 2.6

✔️When x = 60:

y = 0.065x

y = 0.065(60)

y = 3.9

✔️When x = 80:

y = 0.065x

y = 0.065(80)

y = 5.2

✔️When x = 100:

y = 0.065x

y = 0.065(100)

y = 6.5

✔️<em>The graph of that represents this table of values is graph C. See attachment.</em>

6 0
3 years ago
Other questions:
  • HELP WILL GIVE BRAINLIEST!!Aditi has $50.00 in her wallet. She buys a shirt for $12.00 and also wants to buy some bracelets that
    13·2 answers
  • Simplify this math problem 2x +3 -x=
    10·2 answers
  • Shadow software company earned a total of 800,000 selling programs during the year 2012. 125,300 of that amount was used to pay
    15·1 answer
  • Ralph and Patrick play on a basketball team. Ralph played the whole first quarter and the first 4 minutes of the second quarter.
    8·2 answers
  • I need help ASAP
    8·1 answer
  • the point-slope form of the equation of the line that passes through (–4, –3) and (12, 1) is y – 1 = (x – 12). What is the stand
    9·1 answer
  • You are given f(x)=x/1+x. Evaluate f(2)+f(1/2).
    7·1 answer
  • One angle is 2 more than three times its complement. What is the measure of the smaller angle.
    7·1 answer
  • What is the expected average of rolling a single die
    13·2 answers
  • Pls I NED HELP ASAP I ONLY HAVE 10 MINUTES
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!