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alexira [117]
3 years ago
10

1. Question

Physics
1 answer:
Paraphin [41]3 years ago
6 0
All of the forces listed are correct.  There are 4 presently known forces.
Second question os B. the Lorentz force.  It's given by
F=q(E+VxB)  where q is the electric charge, E is the electric field, V is the particle's velocity vector, B is the magnetic flux density, and "x" represents the vector cross product.
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You push a 15N cat in a box horizontally across the floor for 5m. What is the work done on the cat? W=Fx
scZoUnD [109]

Answer:

w=fx

w=(15)(5)

w=75

the angle between the deplacement and N is 0

3 0
2 years ago
Name three variables that affect a life system
sweet-ann [11.9K]
Three things that effect a life system would be
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Hope this helps
7 0
3 years ago
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What's an acrostic poem for climate each line has to be written in a full sentence?
Mrac [35]
Acrostic poem is a poem where the initials of the main word is given a respective sentence starting with that initial.
C- Can you see any changes happened in our surrounding?
L- Let me open your eyes and wake up to the reality.
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3 0
3 years ago
The highest occupiable floor of any building is in the Sears Tower in Chicago. The elevators of the central tower of the buildin
irina1246 [14]

Answer:

9727160J

Explanation:

Given parameters:

Height of elevator rise  = 436m

Force exerted  = 22310N

Unknown:

Work done by the elevator lifting mechanism = ?

Solution:

The work done by a body is the force applied to move a body in a specific direction;

          Work done  = force x distance moved

In this case, the force and distance moved is provided already;

        Work done  = 22310 x 436  = 9727160J

3 0
3 years ago
When electrons in an atom in an excited state fall to lower energy levels, energy is?
dusya [7]
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