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Pani-rosa [81]
4 years ago
8

Is was can were had do shall may might

Physics
1 answer:
Norma-Jean [14]4 years ago
8 0
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A 12.0 V battery has as 80.0 Ohm
Vesna [10]
  • Potential difference=V=12V
  • Resistance=80ohm=R
  • Current be I

Using ohms law

\\ \sf\longmapsto \dfrac{V}{I}=R

\\ \sf\longmapsto I=\dfrac{V}{R}

\\ \sf\longmapsto I=\dfrac{12}{80}

\\ \sf\longmapsto I=0.15A

6 0
3 years ago
Which two factors determine the force of gravity between two objects?
Mila [183]
Distance and inertia
5 0
3 years ago
A 5.0-kg box is pulled by a horizontal force F applied to the top of the box. When the box meets a low doorstep, it begins to ro
NARA [144]

Answer:

the required minimum magnitude of the force F is 21 N

Explanation:

Given the data in the question,

m = 5 kg

width  = 60 cm

height = 80 cm

Let force is F represent in the image below,

so when the block about to rotate normal shifted to edge of cube

mg(w/2) = Fh

F = mg(w/2) / h

we know that g = 9.8 m/s²

we substitute

F = (5 × 9.8 ( 60/2)) / 70

F = (5 × 9.8 × 30 ) / 70

F = 1470 / 70

F = 21 N

Therefore, the required minimum magnitude of the force F is 21 N

5 0
3 years ago
if for every force there is an equal and opposite reaction force, how is it possible for an object to accelerate
lesya692 [45]

Answer:

By the use of the reaction force one body is able to accelerate because it is not fixed to a rigid support which offers a materialistic resistance.

Explanation:

For every  force there is an equal and opposite reaction is stated in the Newton's third law of motion holds true universally.

This law accounts for the acceleration of the bodies with respect to the object that applies force on the other body. The acceleration is possible when iether one of the body is fixed and cannot move or when that both the bodies are not fixed can move.

  • For example consider a rocket with its engine started. This rocket generates upthrust by conversion of chemical energy of the fuel into the mechanical energy applying force on the launchpad. When this force is large enough it to lift the rocket then the rocket starts moving in the air and it  accelerates. Now, when it is in the air or in vacuum during the course of its journey it uses the reaction of the burnt gases of the fuel to change the momentum.

This is in accordance with the Newton's second law of motion, stating that the Force is directly proportional to the rate of change in momentum.

8 0
3 years ago
What part of earth systems interact to form a storm like this hurricane near Florida
Akimi4 [234]
Hurricanes form from interactions between the atmosphere and the oceans. Hope it helps.
7 0
3 years ago
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