A ball is thrown vertically upwards from the ground. It rises to a height of 10m and then falls and bounces. After each bounce, it vertically 2/3 the height of which is fell.
i) Find the height to which the ball bounces after the nth impact
ii) Find the total distance travelled by the ball from the first throw to the nth impact with the ground​

Answers

Answer 1

[tex]{\huge{\fcolorbox{yellow}{red}{\orange{\boxed{\boxed{\boxed{\boxed{\underbrace{\overbrace{\mathfrak{\pink{\fcolorbox{green}{blue}{Answer}}}}}}}}}}}}}[/tex]

(i)

[tex] \sf{a_n = 20 \times {( \frac{2}{3} )}^{n - 1} }[/tex]

(ii)

[tex] \sf S_n = 60 \{1 - { \frac{2}{3}}^{n} \} [/tex]

Step-by-step explanation:

[tex]\underline\red{\textsf{Given :-}}[/tex]

height of ball (a) = 10m

fraction of height decreases by each bounce (r) = 2/3

[tex] \underline\pink{\textsf{Solution :-}}[/tex]

(i) We will use here geometric progression formula to find height an times

[tex]{\blue{\sf{a_n = a {r}^{n - 1} }}} \\ \sf{a_n = 20 \times { \frac{2}{3} }^{n - 1} }[/tex]

(ii) here we will use the sum formula of geometric progression for finding the total nth impact

[tex] \orange {\sf{S_n = a \times \frac{(1 - {r}^{n} )}{1 - r} }} \\ \sf S_n = 20 \times \frac{1 - ( { \frac{2}{3} })^{n} }{1 - \frac{2}{3} } \\ \sf S_n = 20 \times \frac{1 - {( \frac{2}{3}) }^{n} }{ \frac{1}{3} } \\ \sf S_n = 3 \times 20 \times \{1 - ( { \frac{2}{3}) }^{n} \} \\ \purple{\sf S_n = 60 \{1 - { \frac{2}{3} }^{n} \}}[/tex]


Related Questions

Pls help asap I’ll give brainliest

Also pls show works Plsss

Answers

Answer:

m = 125h          If he painted 8 houses he would get $1000

Step-by-step explanation: you multiply the number of houses by the money earned for each house

8 × 125 = 1000

A part of a line that includes two points called endpoints and all the points between them.

not is segment!

Answers

Answer:

A part of a line that includes two points called endpoints and all the points between them. - 27718656y-step explanation:

This probability distribution shows the
typical grade distribution for a Geometry
course with 35 students.
Grade
A B
C D F
Frequency 5
10
15
3
2
Find the probability that a student earns a
grade of B or C.
p = [?]

Answers

Answer:

Step-by-step explanation:

5+10+15+3+2 = 35
25/35
25/35 =0.714285714
so 71.4%  ---> 71%
Or in decimal form 0.71

This question has no​ solution, but if you go through the solving​ steps, there is an extraneous solution. What is the extraneous​ solution?

Answers

An extraneous solution is the root of a transformed equation that isn't the root of the original equation.

What is an extraneous solution?

Your information is incomplete. Therefore, an overview will be given. It should be noted that an extraneous solution simply means a solution that is gotten from the solving of a problem but isn't a valid solution to the problem.

In order to find whether a solution is extraneous, you'll bed to plug it back into the equation and see if it works.

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Recall that in a 30 – 60 – 90 triangle, if the shortest leg measures x units, then the longer leg measures xStartRoot 3 EndRoot units and the hypotenuse measures 2x units.

(150StartRoot 3 EndRoot – 75π) ft2
(300 – 75π) ft2
(150StartRoot 3 EndRoot – 25π) ft2
(300 – 25π) ft2

Answers

Answer:

150√3- 75π) ft². if you see it

Step-by-step explanation:

Answer:

I guess it's option 1 or A

Plxxx help me i'm giving brainlyest

Answers

Answer:

Words for dividing:

sharedeachfor everyper

The problem is asking you to divide, because the key word is, "fill empty egg cartons that each hold"

So Mary will fill  each carton with 12 eggs each until she runs out.

[tex]216 / 12[/tex]

12 goes into 216 eighteen times exactly.

[tex]12 * 18 = 216[/tex]

and the result is(R means leftovers, which are none here)...

[tex]18~R~0[/tex]

Answer:

18 is the correct answer


If f(x) = 3x ^3– 4x^2– 8 and g(x) = -7x^3– 8x^2+ 8, what is
-
f(x) - g(x)?
-
a.
10x^3 – 12x^2
b. 10x^3– 12x^2– 16
C. 10x^3+ 4x^2
d. 10x^3 + 4x^2 – 16

Need help asap

Answers

Answer:

d) 10x^3 + 4x^2 - 16

Step-by-step explanation:

f(x)-g(x) = (3+7)x^3 + (-4+8)x^2 + (-8-8)

the answer is D explanation

Amy can clean the interior of her car in 3 hours. If Amy and her husband work together,
they can clean the interior in an hour less time than it took Amy alone. How long will it
take Amy's husband if he cleans the interior of Amy's car alone?
*Enter only your numerical value (you do not need the units *hours)

Answers

Answer:

1 hour

Because 3 - 2  = 1.

Therefore, 1 hour only.

ggggggggggggggggggggggggggg

Answers

Answer:

Step-by-step explanation:

substitute each value of x and y one by one and see which one is correct.

what is 20 percent of 950

Answers

Answer:

190

Step-by-step explanation:

20 % of 950

= 20 % x 950

= ( 20 / 100 ) x 950

= ( 1 / 5 ) x 950

= 950 / 5

= 190

Am I correct? I just really need to check and have someone explain why or why not

Answers

Answer:

yes

Step-by-step explanation:

you are correct well those are the corect ansewrs so

Answer: yes

Step-by-step explanation:

Parallelogram p q s r is shown. the length of p q is (2 x 5) centimeters and the length of r s is (4 x 1) centimeters. in parallelogram pqsr, what is pq? 2 cm 5 cm 6 cm 9 cm

Answers

The length PQ of the given parallelogram PSQR is determined as 9 cm.

What is the relationship between opposite sides of parallelogram?

Opposite sides of a parallelogram are parallel (congruent).

PQ = RS

2x+5 = 4x+1

2x-4x = 1-5

-2x = -4

x = -4/-2

x = 2

Calculate the length PQ

PQ = 2x+5

PQ = 2(2)+5

PQ = 4+5

PQ = 9cm

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Answer: D. 9 cm

Step-by-step explanation:   Trust Me!

The answer is correct on Edge. Thank you. :)

You have been advised in a positive manner.

a student flips a coin four times. what is the probability the coin lands tails up exactly one time?

the probability is _____?

Answers

Answer:25% because it should do it twice well there is a 50 % chance it should

Step-by-step explanation:

et
h.
13. Think About the Structure Each shelf
holds 24 books. There are 8 shelves.
Which equation could you solve to find
how many books there are in all?
A 24 + 8 = b
w
sts?
B 24 - 8 = b
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D 24 = 8 = b

Answers

So ugh your Answer is c

I need help asap, what is the value of x and the measure of arc CDE?Find the following values for circle P

Answers

The value of the x is 3 and the measure of the arc is 154 degree if the angle APE is 90 degree.

What is a circle?

It is described as a set of points, where each point is at the same distance from a fixed point (called the centre of a circle)

We have a circle shown in the picture.

The angle APE = 90 degree (from the figure)

25x + 15 = 90

25x = 75

x = 3

The measure of arc CDE = (20x + 4) + (33x - 9) = 53x -5

= 53(3) -5

= 154 degree

Thus, the value of the x is 3 and the measure of the arc is 154 degree if the angle APE is 90 degree.

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Plsss help this big idea math

Answers

X=16
An equilateral triangle is a triangle where all 3 sides have equal length and all 3 angles are equal to 60 degrees.

Sarah is constructing a cardboard box that is 3 feet wide, 5 feet long, and 2 feet tall.


what is the volume
and
what is the unit

Answers

Answer:

30 cubic feet

Step-by-step explanation:

[tex]3 \times 5 \times 2 = 30[/tex]

Find the Nth term of this number sequnce
2,4,6,8

Answers

[tex]\text{It is an arithmetic series.}\\\\\text{First term,}~ a = 2\\\\\text{Common difference,}~ d=4 -2 = 2\\\\\text{Nth term} = a + (n -1) d\\\\~~~~~~~~~~~~~=2+(n-1)2\\\\~~~~~~~~~~~~~=2+2n-2\\\\~~~~~~~~~~~~~=2n[/tex]

In calc, a mathematical equation is called a ____________. a. calculation b. symbol c. formula d. cell name

Answers

Answer:

formula? sorry if im wrong

Step-by-step explanation:

Abdul buys an emerald pendant priced at $828. Shipping and handling are an additional
14% of the price. How much shipping and handling will Abdul pay?
Submit

Answers

Answer:

$115.92

Step-by-step explanation:

828 x 14% = 115.92

A population of insects increases at a rate of 1. 5% per day. About how long will it take the population to double? 2. 5 days 5. 0 days 46. 6 days 66. 7 days.

Answers

To calculate the Population Growth (PG) we find the difference (subtract) between the initial population and the population at Time 1, then divide by the initial population and multiply by 100.

23.
It would take 48 days for 5 men to build a house.
(a) How much longer would it take if only 4 men built the house?

Answers

The number of days required to build a house by 4 men which is made by 5 men is 48 days is 60 days.

What is the relation between work and time?

The total time taken is inversely proportional to the rate of work. If a unit of work is done in total n number of days, then the total work done in a day can is,

W=(1/n)

It would take 48 days for 5 men to build a house. Thus, the work done by one man in one day is,

W=1/(48*5)

W=1/240

Thus, one man take 240 days to build a house. The time it takes when only 4 men works to build the house,

t=240/4

t=60

Hence, the number of days required to build a house by 4 men which is made by 5 men is 48 days is 60 days.

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can you simplify 37/80

Answers

Answer:

Step-by-step explanation:

37 is prime, so it's not possible to reduce/simplify 37/80.  37/80 is the ratio of two integers.  We could, of course, use a calculator to find the decimal equivalent:  0.4625, but this is not more accurate than the ratio 37/80.

The net of an isosceles triangular prism is shown. What is the surface area, in square units, of the triangular prism?
104 units2
132 units2
152 units2
168 units2

Answers

Answer:  Last option is correct.

Since we have given that

Dimension of central rectangle is 6 units by 7 units

So, Area of central rectangle is given by

Dimensions of upper and lower rectangle are as follows:

Length = 5 units

Breadth = 7 units

Area of upper and lower rectangle is given by

Similarly, dimensions of two triangles are as follows:

Height = 4 units

Base = 6 units

So, Area of two triangles is given by

Hence, Total surface area of the net of an isosceles prism is given by

Therefore, Last option is correct.

Answer:

152 units²

Step-by-step explanation:

Surface Area :

Area (2 triangles) + Area (2 rectangles) + Area (middle rectangle)2 x 1/2 x 6 x 4 + 2 x 8 x 5 + 8 x 624 + 80 + 4880 + 72152 units²

1.508 * 23.4 where do i put my decimal point for the answer​

Answers

Answer:

35.2872

Step-by-step explanation:

To know where you would place the decimal point, count all the numbers behind the period or dot.  If we count for BOTH numbers, we get 4 numbers behind the decimal place.  This means for our answer we will have 4 numbers behind the dot.

1.508 * 23.4 = 35.2872 the decimal points would be added together to get the placement when multiplying decimals. The firs decimal is 3 spaces plus one space you would add and get four spaces for your answer

Name two pairs of vertical angles.

Answers

Answer:

First pair : ∠PQT and ∠SQRSecond pair : ∠PQR and ∠SQT

Step-by-step explanation:

» the lines PS and RT intersect each other at Q

also, ∠PQT and ∠SQR are opposite angles

Then

the angles ∠PQT and ∠SQR are vertical angles.

………………………………………………………………………

» the lines PS and RT intersect each other at Q

also, ∠PQR and ∠SQT are opposite angles

Then

the angles ∠PQR and ∠SQT are vertical angles.

Find the measure of ∠.

Answers

Answer:

-13x+40

Step-by-step explanation:

Simplify 7x-5(4x-8)

Expand:7x -20x+40

-13x+40

Gavin is selling water bottles at a baseball game to help raise money for new uniforms. before the game, he buys 75 water bottles for a total of $25. at the game, he sells all of the bottles for $1.20 each. how much profit does gavin make?

Answers

The amount of profit Gavin made in selling the water bottles at the base ball game is $65.

How to find profit?

He bought 75 bottle water for a total of $25.

He sales all of the  bottles for $1.20 each.

Therefore,

profit = selling price - cost price

Hence,

cost price = $25

selling price = 1.20(75) = $90

Finally,

profit = 90 - 25 = $65

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cm².
The area of a rectangular window is 8019 cm².
If the length of the window is 99 cm, what is its width?
Width of the window: __cm

Answers

Answer:

81cm²

Step-by-step explanation:

8019/99 = 81

To Check if the answer is correct:

81x99 = 8019

(Remember Area is the space inside where you have to multiply/x .)

PLEASEE HELPPP !!!!!!!

Answers

Answer:

It is correct

Step-by-step explanation:

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