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
zzz [600]
3 years ago
11

beth walked to the school in 80 seconds from a position 100 m west of the school. what was her velocity?

Physics
1 answer:
Ugo [173]3 years ago
4 0
1.8 meters a second

100/80
You might be interested in
Help me to solve it . It’s urgent
Artist 52 [7]

Answer: 0°

Explanation:

Step 1: Squaring the given equation and simplifying it

Let θ be the angle between a and b.

Given: a+b=c

Squaring on both sides:

... (a+b) . (a+b) = c.c

> |a|² + |b|² + 2(a.b) = |c|²

> |a|² + |b|² + 2|a| |b| cos 0 = |c|²

a.b = |a| |b| cos 0]

We are also given;

|a+|b| = |c|

Squaring above equation

> |a|² + |b|² + 2|a| |b| = |c|²

Step 2: Comparing the equations:

Comparing eq( insert: small n)(1) and (2)

We get, cos 0 = 1

> 0 = 0°

Final answer: 0°

[Reminders: every letters in here has an arrow above on it]

7 0
3 years ago
A baseball is hit at an initial speed of 40 m/s at an angle of 60° above the horizontal and reaches a maximum height of h meters
svlad2 [7]
C) 6h i’m not that great at math but that’s what i got hope it helps!!
7 0
3 years ago
Read 2 more answers
X-rays with an energy of 86 keV scatter off of stationary electrons. How much energy do the photons scattering at 60° have? A. 7
AveGali [126]

Answer:

A. 79.3 keV

Explanation:

Because the procedure involves many steps for its resolution and it works faster on paper and pencil, the detailed solution of this exercise is attached as a scanned image of the procedure for review.  

In the procedure, the initial values of the problem and the replacement of these values with the correct formulas for this process are taken into account.

7 0
3 years ago
Image that Grade 7 students are looking at a spherical ornament that has mirror-like surface. The students exclaim how strange t
prohojiy [21]
This is caused my a magic illusion and when you stand at a certain angle in themirror it changes your image
8 0
3 years ago
Which material would be a suitable insulator?<br> O silver<br> O gold<br> O copper <br>O rubber​
Scilla [17]

Answer:

D, rubber

Explanation:

Metals have free electrons, and are very bad as insultators. Metals conduct electricity very well. On the other hand, rubber has no free electrons and does not conduct electricity very well

5 0
2 years ago
Read 2 more answers
Other questions:
  • Can anyone say difference between balanced and unbalanced force
    6·1 answer
  • If we increase the temperature in a reactor by 54degrees Fahrenheit​ [°F], how many degrees Celsius​ [°C] will the temperature​
    15·2 answers
  • Uranium-series dating is based on the radioactive decay of uranium isotopes, and is very useful for the period 500,000-50,000 ye
    10·1 answer
  • An attempt to redirect internet traffic from a legitimate site to a different identical-looking site is categorized as which soc
    15·1 answer
  • WHY DONT TWO OBJECTS MOVE TOWARDS EACH OTHER DUE TO GRAVITATIONAL PULL BETWEEN THEM
    6·1 answer
  • The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm (red) and 486 nm (blue). Light f
    10·1 answer
  • A bus travelling 30.0 km/h east has a constant increase in speed of 1.5 m/s. What is its velocity 6.8s later
    5·1 answer
  • How can radio waves &amp; microwaves communicate over similar distances?
    12·1 answer
  • Inside a good conductor in equilibrium, such as aluminum with only small current flowing, there is almost no electric field. Thi
    12·1 answer
  • Olivia is on a swing at the playground.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!