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
Gre4nikov [31]
2 years ago
5

A 3kg book falls from a 2m tall bookshelf what is the speed PICTURE included

Physics
1 answer:
mafiozo [28]2 years ago
8 0

Answer:

39.2m/s

Explanation:

The potential energy the book has right before it falls is equal to the kinetic energy in falling.

PE = KE

mgh = (1/2)mv

2gh=v

v=(2)(9.81)(2)

v=39.24m/s

You might be interested in
What should you do if someone on foot approaches your car while you are in it?
tatyana61 [14]
It depends. If you are driving and the person doesn't look like a serial killer, you should stop.
6 0
3 years ago
What is the density to the object g/cm3
alexdok [17]
Should be 1.4, I hope this helps you out
6 0
2 years ago
Use the drop-down menus to identify each labeled part of the diagram.
iren2701 [21]

Answer:

<u>A:cool fluid sinks</u>

<u>B:warm fluid rises</u>

<u>C:convection current</u>

Explanation:

Just took the assessment!!

3 0
3 years ago
The image messed up but you get the point. Don't be mean and just answer to get the points, please and thank you.
Katarina [22]

Answer:

Answer is A, it will pass through to focal point after reflecting.

Explanation:

I had the same question in a test, Sorry that you had to do this question in middle school.

4 0
3 years ago
Parking orbit is defined accurately by (a) 1" Kepler's law (b) 2 Kepler's law (c) 2 and 3 Kepler's law (d) 3" Kepler's law​
ehidna [41]

Answer:

hi iam 8 and a girl your hot

Explanation:

7 0
2 years ago
Other questions:
  • En un m.A.S. La amplitud tiene un valor de 10 centimetros y el periodo es de 2 segundos calcular el valor de la velocidad de 0.8
    7·1 answer
  • Did you think about this over Christmas? I did (-: Before Christmas a 65kg student consumes 2500 Cal each day and stays at the s
    9·1 answer
  • PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
    14·1 answer
  • Lead atoms occupy a volume of 3 x 10-29 m3. Each atom contributes two free electrons. Calculate the Fermi velocity of lead.
    8·1 answer
  • A 385-g tile hangs from one end of a string that goes over a pulley with a moment of inertia of and a radius of 15.0 cm. A mass
    5·2 answers
  • A machine part is undergoing SHM with a frequency of 5.00Hz and amplitude 1.80cm . How long does it take the part to gofrom x=0
    13·1 answer
  • How much heat is needed to vaporize 33.3 grams of ethyl alcohol at its boiling point of 78.0°C? The latent heat of vaporization
    10·2 answers
  • Friction depends on the types of surfaces involved and how hard the surfaces push together. Please select the best answer from t
    13·1 answer
  • Easy question. Answer should include one line reasoning
    13·2 answers
  • Which of these is not a standard unit?<br> a. second <br> b. metre<br> c. hand span <br> d. gram
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!