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pochemuha
3 years ago
7

Is O2 classified as a compound?

Physics
1 answer:
dybincka [34]3 years ago
3 0

Answer: NO.

Explanation: Oxygen is not a compound. It has only one element in it.

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The captain told the passengers that the plane is flying at 450 miles per hour. This information describes the plane's
marta [7]
The speed of the plane
4 0
3 years ago
A car drives at steady speed around a perfectly circular track.
gayaneshka [121]

Answer:

e. Both the acceleration and net force on the car point inward.

Explanation:

If no net force acts on the car, the car must drive in a straight line, at constant speed.

As the acceleration is defined as the rate of change of the velocity vector, this means that it can produce either a change in the magnitude of the velocity (the speed) or in the direction.

In order to the car can follow a circular trajectory, it must be subjected to an acceleration, that must go inward, trying to take the car towards the center of the circle.

The net force that causes this acceleration, aims inward, and is called the centripetal force.

It is not a different type of force, it can be a friction force, a tension force, a normal force, etc., as needed.

6 0
3 years ago
A running back with a mass of 70 kg travels down the field with a velocity of 5.0 m s . Calculate the kinetic energy of the foot
jarptica [38.1K]

K.E = 1/2 mv²

    =  1/2 (70kg) (5.0ms)²

    =  1 ˣ ( 1750) / 2

    = 875 kgms²

     

3 0
3 years ago
Read 2 more answers
What part of the atom is the arrow pointing to?
maksim [4K]

Answer:

electron shell

Explanation:

the proton and nucleus are inside the electron shell so the arrow is point on the outer shell which is the electron shell.

3 0
3 years ago
you went to move a 41 kg bookcase to a different place in the living room. if you push with a force of 65 N and the bookcase acc
ivann1987 [24]

Answer:

the force of friction = fk = (uk)n = 402(uk)

the net force acting to accelerate bookcase = ma = (41)(0.12) = 4.9 N

the {assumed horizontal} push force = 65 N

so

65 - fk = 4.9

fk = 65 - 4.9 = 60 N

uk = 60/402 = 0.15 <= ANS

7 0
2 years ago
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