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Paladinen [302]
3 years ago
13

A 300 kg car travels at 11 ms. What is the momentum

Physics
1 answer:
sweet-ann [11.9K]3 years ago
5 0
The momentum of a <span>300 kg car traveling at 11 ms is 3300 ms</span>
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Who developed radiometric dating? What age did he assign to the oldest rocks?
Mekhanik [1.2K]
Ernest Rutherford
don't know the age sorry

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3 years ago
A robot that can move a hand left and right and rotate the hand 360º is said to have
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You've described two (2) axes of motion.
The third one would have been up-and-down.
 
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3 years ago
Why do the snakes only get one unit of energy?
mojhsa [17]

Answer: Snakes are reptiles

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7 0
3 years ago
Give at least two reasons today’s astronomers are so interested in the discovery of additional Earth-approaching asteroids.
blondinia [14]

Answer:

1. Potential hazard

2. Mining opportunity

Explanation:

The two reason, why astronomers are so interested in the discovery of additional Earth-approaching asteroids:

1. Potential hazard: We have proof that the dinosaurs got extinct because of an asteroid/comet strike on Earth. Also we have seen the effects of the Tunguska event and Chelyabinsk tragedy. These are enough to show us that asteroids can be very dangerous and wipe out the life from Earth.

2. Mining Opportunity: We have discovered a lot of asteroids which contains a lot of metal and precious elements. There can be a possibility of mining such asteroids in the future and reducing the burden on Earth.

4 0
3 years ago
Two inductors, L1 and L2, are in parallel. L1 has a value of 25 mH and L2 a value of 50 mH. The parallel combination is in serie
Bond [772]

Answer:

Explanation:

For parallel inductors ,

\frac{1}{L_R} = \frac{1}{L_1} +\frac{1}{L_2}

\frac{1}{L_R} =\frac{1}{25} +\frac{1}{50}

L_R=16.67 mH.

For series combination

Total inductance

= 16.67 + 20

= 36.67 mH .

reactance of total inductance at 300 kHz

= ωL_{total} where ω is angular frequency

= 2πfL_{total}

= 2 x 3.14 x 300 x 10³ x 36.67 x 10⁻³

= 69.1 x 10³ ohm

Total rms current = Vrms / reactance

= 60 / 69.1 x 10³ A

= .87 x 10⁻³ A

= .87 mA

7 0
3 years ago
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