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
Komok [63]
2 years ago
8

Which of the following, by scientific definition is NOT work? lifting boxes of books, pedaling on your bike, holding a book over

your head, pushing a chair across the room​
Physics
1 answer:
Karolina [17]2 years ago
3 0

Answer:

holding a book over your head

You might be interested in
If you put two identical cars on opposite sides of a large magnet, what happens
FrozenT [24]

Answer:

Depends on what pole it is.

Explanation:

If the poles of the cars and magnets are the same they will repel, if different, attracts.

7 0
2 years ago
Read 2 more answers
A kettle of water contains 1.2 kg of water. Calculate how much energy is required to hear it from water at 10 degrees to its boi
Darya [45]

Answer:

450 kJ

Explanation:

Q = mCΔT

where Q is heat (energy),

m is mass,

C is specific heat capacity,

and ΔT is the temperature change.

Q = (1.2 kg) (4180 J/kg/°C) (100°C − 10°C)

Q = 451,440 J

Q ≈ 450 kJ

6 0
3 years ago
-Plz Help Meh-<br> Calculate the acceleration of a car if the force is 450N and the mass is 1300kg.
Allisa [31]

Answer:

Explanation:

F=Ma

450=1300×a

Ans=0.346m/s²

4 0
2 years ago
What is the wavelenght and the frequencen of walkie-talkie?
GuDViN [60]
Nowadays, most of the walkie talkies ... and all R/C models ... operate in the "Family Radio Service" (FRS) band. That's 46-49 MHz. The wavelength is 6.12-6.52 meters.
8 0
2 years ago
All examples involve chemical energy except __________. A. working muscles using food. B. burning a candle. C. coasting downhill
navik [9.2K]
The one that does not involve chemical energy would be : C. Coasting downhill on a bike
This one requires physical energy, To be categorized as chemical energy, the bond of chemical compounds has to be released

Hope this helps
7 0
3 years ago
Read 2 more answers
Other questions:
  • A certain fuel-efficient hybrid car gets gasoline mileage of 55.0 mpg (miles per gallon). (a) If you are driving this car in Eur
    12·1 answer
  • Nuclear Energy definition ​
    8·1 answer
  • What is one way you can state how you feel?
    5·2 answers
  • A Texas cockroach of mass 0.157 kg runs counterclockwise around the rim of a lazy Susan (a circular disk mounted on a vertical a
    9·1 answer
  • Why is the earth sphered but we cant fall off
    13·1 answer
  • Which of the following statements is true?
    7·1 answer
  • Which of the following scenarios represents a safe situation for the child?
    9·2 answers
  • A car going 22 m/s increases its speed to pass a truck. Five seconds later the car is going 35 m/s. Calculate the acceleration o
    9·2 answers
  • I’m not sure what this is… help please
    6·1 answer
  • the distance between student home and school is 1.5 km what is the distance traveld bythe students in a week​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!