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
mel-nik [20]
2 years ago
12

Which of the following would produce the most power?

Physics
1 answer:
Fantom [35]2 years ago
6 0

Answer:

A mass of 10 kilograms lifted 10 meters in 5 seconds.

Explanation:

Power can be defined as the energy required to do work per unit time.

Mathematically, it is given by the formula;

Power = \frac {Energy}{time}

But Energy = mgh

Substituting into the equation, we have

Power = \frac {mgh}{time}

Given the following data;

Mass = 10kg

Height = 10m

Time = 5 seconds

We know that acceleration due to gravity is equal to 9.8 m/s²

Power = \frac {10*9.8*10}{5} = 490 Watts

Hence, a mass of 10 kilograms lifted 10 meters in 5 seconds would produce the most power.

You might be interested in
How many valence electrons are in alkali metals
tatuchka [14]
If you look on the periodic table you will see the top group elements depending on how the elements relate to each in the column. All of the elements in that column show they all have 1 electron in their valence shell. Some of the chemicals in that family or group are Sodium, Lithium, Potassium. The are very reactive because they only have one electron and what 7 more to become stable.
8 0
3 years ago
You see lightning before you hear thunder because A) light waves can travel through a vacuum. B) sound waves cannot travel throu
Alex Ar [27]
C) light waves travel faster than sound waves

You were correct
3 0
3 years ago
Read 2 more answers
Earth is like a bar magnet. What does this mean about its magnetic poles?
Anit [1.1K]
B a bar magnet has a north and a south pole.
6 0
3 years ago
Read 2 more answers
.) WHat is the force that causes the pendulum to fall?<br>​
soldi70 [24.7K]

Answer:

The two forces that affect on the pendulum are the force of gravity,

Explanation:

  • ⇒ There is the force of gravity that acts downward upon the bob. It results from the Earth's mass attracting the mass of the bob. And there is a tension force acting upward and towards the pivot point of the pendulum.

Therefore, I hope this helps!

Answered by: DreamzWorldz\\

4 0
3 years ago
On a trolley ride around an amusement park, a child travelled from one signpost to a second signpost at a constant speed of 125
Tomtit [17]

Answer:

Explanation:

Speed given = 125 m /min

125 /60 m /s

In 450 second it will travel

= 450 x 125 / 60

=937.5 m.  

As the distance  is covered in less than 450 seconds , The distance must be less than 937.5 m

In 400 seconds , it will travel

= 400 x 125 / 60

833.33 m

Since the distance is covered in more than 400 seconds , the distance must be more than ie 833.33 .

Hence the distance covered is more than .833 m but less than 937.5

In either case these distance are more than .8 km .

5 0
3 years ago
Other questions:
  • A sound wave traveling at 343 m/s is emitted by the foghorn of a tugboat. an echo is heard 2.80 s later. how far away is the ref
    10·1 answer
  • True or False: If your gas pedal jams, you should turn the key to lock to lock the steering wheel.
    8·2 answers
  • An FCC iron-carbon alloy initially containing 0.55 wt% C is exposed to an oxygen-rich and virtually carbon-free atmosphere at 13
    6·1 answer
  • The actual yield of a product in a reaction was measured as 4.20 g. If the theoretical yield of the product for the reaction is
    7·2 answers
  • A pond changes into a field through the process of
    14·2 answers
  • Mendeleev arranged the known chemical elements in a table according to increasing
    11·2 answers
  • A system of satellites, base stations, and receivers is called ___________.
    10·1 answer
  • How is ozone formed?
    11·2 answers
  • If the rocket launches with a force of 10N, what is the force on the launch pad?
    13·1 answer
  • Four boxes are sliding with constant speed before each box experiences and unbalanced force of 8 N. Which box would experience t
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!