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
bixtya [17]
4 years ago
14

How much work is needed to lift a barbell that has a weight of 445 N a total of 2 meters off ground

Physics
1 answer:
AleksAgata [21]4 years ago
5 0

Answer:

Total work done to lift barbell = 890 J

Explanation:

Given:

Weight of barbell (F) = 445 N

Height (Distance) = 2 meter

Find:

Total work done to lift barbell = ?

Computation:

⇒ Work = Force(F) × Distance

⇒ Total work done to lift barbell = Weight of barbell × Distance

⇒ Total work done to lift barbell = 445 N × 2 meter

⇒ Total work done to lift barbell = 890 J

You might be interested in
Which means "to study or examine”?
garik1379 [7]
<span>analyze. Analyze means to study or examine something carefully in a methodical way. ... This verb analyze comes from the noun analysis. The noun analysis was in turn borrowed from Greek, from analyein, or "to dissolve."


hope it helps;)
</span>
8 0
3 years ago
Read 2 more answers
Which statements about electric field lines are correct? Check all that apply.
slava [35]

Answer:

they cross over one another between charge.

7 0
4 years ago
Which best supports the idea that the surface of the moon has changed very little?
likoan [24]
The correct answer is<span> c) Because the moon has no atmosphere, it is not possible for geologic events to occur on the moon.

Atmosphere is related to geological change because of things such as wind and water erosion that over time change the landscape, and there's neither on the moon. It's just a floating rock.</span>
8 0
3 years ago
What force is needed to move a 5 kg mass with an acceleration of 5 m/s²?
ElenaW [278]

Answer:

b)25N

Explanation:

F=ma

F=(5kg)(5m/s^2)

F=25N

4 0
2 years ago
Read 2 more answers
Can we see a halo around the half moon?​
Hatshy [7]

Answer:

No we cannot

Explanation:

But what causes a ring to appear around the moon? This phenomenon is called a "moon halo." According to the National Weather Service, this ring of light, which is actually an optical illusion, forms around the moon when moonlight refracts off ice crystals in cirrus clouds, high up in the Earth's atmosphere.

8 0
2 years ago
Read 2 more answers
Other questions:
  • An infinite conducting cylindrical shell of outer radius r1 = 0.10 m and inner radius r2 = 0.08 m initially carries a surface ch
    15·1 answer
  • The main light gathering device of a refractor telescope is
    8·1 answer
  • This i relatively easy but still, i attached a picture
    5·1 answer
  • A football is thrown vertically with an initial velocity of 33m/s. Calculate the velocity of the ball when it’s height increased
    12·1 answer
  • Please help!!!! Will mark brainliest.
    8·1 answer
  • Help someone
    14·1 answer
  • Find the weight of an object with mass 80 kg on the moon ( g = 1.6 m/s^2)
    14·1 answer
  • if force accelerate mass with acceleration and the same force accelerate the mass which is quarter of the first one by​
    15·1 answer
  • On an aircraft carrier, a jet can be catapulted from 0 to 250 km/h in 2.05 s
    11·2 answers
  • Plane-polarized light is incident on a single polarizing disk with the direction of E0 parallel to the direction of the transmis
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!