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bazaltina [42]
3 years ago
14

Which of the following is an SI base unit for measuring length?

Physics
2 answers:
irina [24]3 years ago
6 0
Meters it the SI unit for measuring length.
faltersainse [42]3 years ago
6 0

Answer:

Meter

Explanation:

International System of Quantities is given for the seven base quantities. Meter is one of them. The meter, symbol m, is the SI unit of length. It is defined as the distance covered by the speed of light in vacuum to be 299792458.

The SI base unit that is used for measuring length is meters. Some other units are kilometers, millimeters. etc.

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A planet's distance from the sun is 2.0x10^11 m. what is the orbital period?
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The space station is 4.41 x 10^5 kg and orbits the earth 6.78 x 10^6 m from the center of earth. The mass of earth is 5.97 x 10^
allochka39001 [22]

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3 820 885 N

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2 years ago
which force will decrease if the surface of a ramp is made smoother. gravity, magnetism, friction, or electricity
Leno4ka [110]
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3 0
3 years ago
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In a football game, a receiver is standing still, having just caught a pass. Before he can move, a tackler, running at a velocit
ivolga24 [154]

Answer:

m_{receiver}=115Kg*3.1/(1.6)-115Kg=107.8Kg    

Explanation:

The football players collide in a completely inelastic collision, in other words they have the same velocity after the collision, this velocity has a magnitude V=1.6m/s.

We need to use the conservation of momentum Law, the total momentum is the same before and after the collision, at the initial point the receiver does not have any speed

m_{tackler}*v_{tackler}=(m_{tackler}+m_{receiver})V     (1)

We solve in order to find the receiver mass:

m_{receiver}={m_{tackler}*v_{tackler}/V}-m_{tackler}    

m_{receiver}=115Kg*3.1/(1.6)-115Kg=107.8Kg    

5 0
3 years ago
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