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
Rufina [12.5K]
3 years ago
15

A bowling ball of mass 9 kg hits a wall going 11 m/s and rebounds at a speed

Mathematics
1 answer:
marysya [2.9K]3 years ago
5 0

The Answer is 171 kg m/s

You might be interested in
List the exterior angles shown in the figure
nydimaria [60]

Answer:

<1 <6 and <4 because they are on the outside of the triangle!

Step-by-step explanation:

6 0
2 years ago
The altitude of an equilateral triangle is 5 cm. what is the length of a side of the triangle?
Grace [21]

Answer:

The length side of the triangle is \frac{10\sqrt{3}}{3}\ cm

Step-by-step explanation:

we know that

The equilateral triangle has three equal sides and three equal internal angles of measure of 60 degrees each.

Let

b------> the length side of the equilateral triangle

Applying Pythagoras theorem

b^{2}=(b/2)^{2}+5^{2}\\\\ b^{2}-(b/2)^{2}=25\\\\ (3/4)b^{2}=25\\ \\b^{2} =25*4/3\\ \\b=\frac{10}{\sqrt{3}}\ cm\\ \\b=\frac{10\sqrt{3}}{3}\ cm

3 0
3 years ago
Find the area of the isosceles triangle.
kogti [31]

Answer:

The hight length : h

The base length : a

Apply the Pythagorean theorem in the right triangle :

h² = 13² - (10/2) = 144

h  = √144 = 12 cm

S = (a x h)/ 2 = ( 10 x 12 )/2 = 60 cm²

Step-by-step explanation:

5 0
2 years ago
The sum of the four angles in a rectangle is always 180 degrees true or false?
dem82 [27]
A rectangle has 4 sides
each side is a right angle
a right angle by definition is 90 degrees
90 + 90 + 90 + 90 = 360\\ or\\ 90 * 4 = 360
False
7 0
3 years ago
Read 2 more answers
Pls help...............
Alex Ar [27]

Answer:

You chose the right one

Step-by-step explanation:

i hope this helps :)

8 0
2 years ago
Other questions:
  • Please let me know how to factor thisss. and give me the steps.
    15·1 answer
  • If the temperature of gas increases , the volume of that gas __________.
    14·2 answers
  • the length of a rectangle is 40 feet, the lenght is 2 feet longer then the width, what is the length and width of the rectiangle
    14·2 answers
  • Solve by the linear combination method. 2x + 3y = 11 –4x + 2y = 2 60pts please answer in 5 minutes
    6·1 answer
  • Ernie read 3y+4 books. Gladice read 4y-5. For what value of y will both of them read the same number of books?
    7·1 answer
  • Solve for the variable. Show all work. 8(1 - x) + 36 = -2(4x + 24) + 95
    7·2 answers
  • An angle measures 45 Degree . What is the measure of its complement?
    10·2 answers
  • 1+1=?<br> a. 0<br> b. 1<br> c. 3<br> d. 2 <br> i need a good explanation!!!
    11·1 answer
  • The graph f(x)=x^5 is transformed to form a new function, g(x). Which set of transformations takes f(c) to g(x) in the correct o
    10·1 answer
  • Help pls asap I give brainliest
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!