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statuscvo [17]
3 years ago
12

The temperature of water in a beaker is 45°C. What does this measurement represent?

Physics
1 answer:
nikklg [1K]3 years ago
4 0

Answer:

kinetic energy

The average kinetic energy of water particles. Explanation: As it mentioned Temperature 45°, this clearly specify we are talking about kinetic energy of water particles, as temperature is nothing but the average of kinetic energy of particles randomly moving in water.

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It takes Serina 1.72 hours to drive to school. Her route is 47 km long. What is Serina's average speed on her drive to school? Y
denis-greek [22]

Explanation:

Average speed = distance / time

v_avg = 47 km / 1.72 hr

v_avg = 27.3 km/hr

7 0
3 years ago
When you speak, your voice is produced by your vibrating vocal chords. These vibrations produce the ________ which carry _______
Len [333]
Produce waves that carry sound
7 0
3 years ago
Answer ?
morpeh [17]

Answer:

2.75 m/s^2

Explanation:

The airplane's acceleration on the runway was 2.75 m/s^2

We can find the acceleration by using the equation: a = (v-u)/t

where a is acceleration, v is final velocity, u is initial velocity, and t is time.

In this case, v is 71 m/s, u is 0 m/s, and t is 26.1 s Therefore: a = (71-0)/26.1

a = 2.75 m/s^2

5 0
2 years ago
A bicycle is heading West. It goes 5000m in 500s what's its velocity
dybincka [34]
There are several information's of immense importance already given in the question. Based on the given information's the answer to the question can easily be determined.
Distance covered by the bicycle = 5000 meter
Time taken by the bicycle to reach the distance = 500 second.
Velocity of the bicycle = Distance / Time taken
                                   = 5000/500 meter/second
                                   = 50 meter/second
So the velocity of the bicycle is 50 meter per second. I hope the procedure is clear enough for you to understand. In future you can always use this procedure for solving similar problems.
8 0
3 years ago
How many boron atoms are there in 5 molecules of BF3? Hint: The symbol for boron is B. Submit​
Thepotemich [5.8K]

Answer:

5 atoms of Boron

Explanation:

Boron makes up approximately 15.944% of the mass and the rest of the 84.056% is Fluorine. There is 5 Atoms because Boron atomic mass is 10.811 in 1 molecule of BF3 and you wanted 5 Molecules.

8 0
3 years ago
Read 2 more answers
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