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densk [106]
3 years ago
8

Ben is exercising his pony on a large oval track. The long is trotting at a constant speed of 10 m/s around the track. Which sta

tement can be made about the pony's acceleration
Physics
1 answer:
nlexa [21]3 years ago
6 0
There is 0 acceleration because the pony is moving at a constant velocity
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3. Silk fibre is obtained from______
USPshnik [31]

Answer:

Silk fibre is obtained from <u>silkworms</u>

whereas artificial silk is obtained by

chemical treatment of <u>wood pulp/cellulose.</u>

Explanation:

Artificial silk, or rayon, is made from cellulose, obtained from cotton or wood pulp.

So any one of them in 2nd blank is correct.

8 0
2 years ago
What do magnets never do?<br><br><br> This is science btw.
Anika [276]

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8 0
2 years ago
Two waves are superposed. one wave has an amplitude of 5 cm, and other has an amplitude of 4 cm. What is the resultant amplitude
Vsevolod [243]
If both waves have the same wavelength, then the amplitude of
their sum could be anything between 1 cm and 9 cm, depending
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If the waves have different wavelengths, then the resultant is a beat
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4 0
3 years ago
The current in a hair dryer measures 15 amps. The resistance of the hair dryer is 14 ohms. What is the voltage?
ZanzabumX [31]
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6 0
3 years ago
A sound wave has a speed of 330m/s and a wavelength of 0.372 m. what is the frequency of the wave?
Alja [10]

Answer:

887.1Hz

Explanation:

Given parameters:

Speed of sound wave  = 330m/s

Wavelength  = 0.372m

Unknown:

Frequency  = ?

Solution:

To solve this problem, we use the expression below:

             Speed  = Frequency x wavelength

            330  = Frequency x 0.372

   Frequency  = 887.1Hz

5 0
3 years ago
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