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
lapo4ka [179]
3 years ago
14

Pablo preto lift a barbell. During which stage of the lift does Pablo do work on the barbell

Physics
2 answers:
Arlecino [84]3 years ago
6 0
While he is lifting the dumbell as the definition of work done = moving a mass through a distance = F x d
____ [38]3 years ago
3 0

this is the original question:

Pablo prepares to lift a barbell. During which stage of the lift does Pablo do work on the barbell?

when he holds the barbell up above his head

when he applies force to the barbell but has not moved it

when he lifts the barbell from the floor to his chest

when he lets go of the barbell and allows it fall to the ground

that is the answer-> when he lifts the barbell from the floor to his chest

hope this helps!

You might be interested in
Which particle is commonly used to initiate a fission chain reaction
Snezhnost [94]
Neutron is commonly used to initiate a fission chain reaction.
5 0
3 years ago
What type of ion is formed by a non-metal atom?
Verizon [17]
Non metals produce something called protons they are ions 
7 0
3 years ago
5) In the last part of step 7 of the procedure, you measured the resistance of the flashlight when it had no current passing thr
Andreyy89

Answer:

Following are the responses to this question:

Explanation:

The small current passes thru the capacitor of the strain gauge and the current is generated throughout the resistor. For the very first time,  in contrast to what we calculate, its resistance of the multimeter is quite high and therefore the small stream flowing through the bulb would have very little impact on the measure. Thus, as the current flows through the flashbulb, this same calculation is of excellent price, its material is heated and resistance varies with increase. Therefore, when the bulb will be on, sensitivity is greater.

6 0
3 years ago
A chair of weight 90.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F =
Lelu [443]
I post an image instead

3 0
3 years ago
A metal rod of length (L) moves with velocity (v), perpendicular to its length, in a magnetic field B, which is perpendicular to
Alborosie

Explanation:

If a metal rod of length L moves with velocity v is moving perpendicular to its length, in a magnetic field B, the induced emf is given by :

\epsilon=Blv

The electric field in the conductor is given by :

E=\dfrac{\epsilon}{l}\\\\E=\dfrac{Blv}{l}\\\\E=Bv

It is clear that the electric field is independent of the length of the rod. If the length of the rod is doubled, the electric field in the rod remains the same.

6 0
3 years ago
Other questions:
  • What is the frequency heard by a person driving at 15 m/s toward a blowing factory whistle (750 hz if the speed of sound is 343
    11·1 answer
  • What is the speed of a wave with a frequency of 0.2 Hz and a wavelength of 100 meters?
    13·2 answers
  • For a rigid body in rotational motion, what can be stated about the angular velocity of all of the particles? The linear velocit
    9·1 answer
  • Do metal atoms tend to gain or lose electrons?
    9·2 answers
  • A fuel-filled rocket is at rest. It burns its fuel and expels hot gas. The gas has a momentum of 1,500 kg x m/s backward. What i
    12·1 answer
  • The human ear is most sensitive to the sounds in what range?
    14·1 answer
  • Determine the values of m and n when the following average distance from the Sun to the Earth is written in scientific notation:
    7·1 answer
  • Which best describes the meaning of the stayement “if A , then B”
    10·1 answer
  • Approximately how many Sun's are in the Milky way?
    14·2 answers
  • Microscopes are used to study the structures of rocks. Over time, microscopes have become more and more powerful.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!