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Olegator [25]
3 years ago
13

A 62 kg male ice skater is facing a 42 kg female ice skater. They are at rest on the ice. They push off each other and move in o

pposite directions. The female skater moves backwards with a speed of 3.7 m/s. What is the velocity of the male skater?
Physics
1 answer:
Natali [406]3 years ago
6 0

Answer:

i am sorry :( there is the app khan academy where you could learn things like that

Explanation:

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How long will it take to travel 546 km at 110 km/hr (answer in hours)
Andre45 [30]
(60 * 546) / 110 = 297

297 hrs.
3 0
3 years ago
Which of these is true for the two poles of a magnet?
mina [271]
The correct answer to this problem would be that like poles repel and unlike poles attract.

N and N poles repel
S and S poles repel
N and S poles attract
S and N poles attract

Answer: D) like poles repel each other. unlike poles attract each other

I hope this helps!
3 0
3 years ago
Read 2 more answers
It's important to match your exercise shoes with the type of exercise in which you will be participating, Please select the best
Feliz [49]

Answer:

true

Explanation:

8 0
4 years ago
Read 2 more answers
A resistor with an unknown resistance is connected in parallel to a 13 Ω resistor. When both resistors are connected in parallel
larisa86 [58]

Answer:

R2 = 10.31Ω

Explanation:

For two resistors in parallel you have that the equivalent resistance is:

\frac{1}{R_{eq}}=\frac{1}{R_1}+\frac{1}{R_2}\\\\      (1)

R1 =  13 Ω

R2 = ?

The equivalent resistance of the circuit can also be calculated by using the Ohm's law:

I=\frac{V}{R_{eq}}\\\\R_{eq}=\frac{V}{I}            (2)

V: emf source voltage = 23 V

I: current = 4 A

You calculate the Req by using the equation (2):

R_{eq}=\frac{23V}{4A}=5.75\Omega

Now, you can calculate the unknown resistor R2 by using the equation (1):

\frac{1}{R_2}=\frac{1}{R_{eq}}-\frac{1}{R_1}\\\\R_2=\frac{R_{eq}R_1}{R_1-R_{eq}}\\\\R_2=\frac{(5.75\Omega)(13\Omega)}{13\Omega-5.75\Omega}=10.31\Omega

hence, the resistance of the unknown resistor is 10.31Ω

8 0
3 years ago
Read 2 more answers
What is 404.2 rounded to the nearest ten thousandth?
forsale [732]

Answer:

The answer to your question is 404.2000

5 0
4 years ago
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