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Charra [1.4K]
4 years ago
6

A car has positive acceleration. What information can you infer from this? A- The car is changing direction. B- The car is speed

ing up in the same direction as it is traveling. C- The car is slowing down and changing the direction it is traveling. D- The car is slowing down.
Physics
2 answers:
Semmy [17]4 years ago
6 0

Answer:

Assuming rightward is positive, the velocity is positive whenever the car is moving to the right, and the velocity is negative whenever the car is moving to the left. The acceleration points in the same direction as the velocity if the car is speeding up, and in the opposite direction if the car is slowing down.

kvv77 [185]4 years ago
5 0

Answer:

answe is b

Explanation:

A positive acceleration is defined as change of velocity upwards the direction that the object has taken. Therefore, a car having a positive acceleration means that the car is speeding up in the same direction as it traveling.

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The diagram below shows the relative positions of Earth and the Sun at a certain time of the year. Based on the diagram, which s
AlladinOne [14]

Answer:

summer

Explanation:

Notice the higher density of the rays of the sun hitting straight the latitudes below the equator.

7 0
3 years ago
What type of precipitation would likely be falling from cumulus clouds with a ground air temperature of 14°C?
Alja [10]
Rain would be the type of precipitation likely to be falling from cumulus clouds with a ground air temperature of 14 degrees Celsius. This is because in order for it to be snow it would have to be at or below 0 degrees celsius which is the freezing point.
3 0
4 years ago
You decide to travel by car for your holiday visits this year. You leave early in the morning to avoid congestion on the roads.
podryga [215]

Answer:

a) d = 182.08 miles

b) \overline{v} = 54.5 mph      

Explanation:

a) The distance can be found as follows:

d_{T} = d_{1} + d_{2} + d_{3}

d_{T} = v_{1}*t_{1} + v_{2}*t_{2} + v_{3}*t_{3}

d_{T} = 67.4 mph*1.70 h + 0*23.4 min + 54.0 mph*1.25 h = 182.08 miles = 292.9 km

b) The average speed can be calculated using the following equation:

\overline{v} = \frac{d_{f} - d_{i}}{t_{f} - t_{i}}

Where "f" is for final and "i" for initial

\overline{v} = \frac{182.08 miles - 0 miles}{(1.70 h + 23.4 min*\frac{1 h}{60 min} + 1.25 h) - 0 h} = 54.5 mph                

I hope it helps you!

5 0
4 years ago
How would the amount of potential energy stored in the bungee cord compare to
Musya8 [376]

If the spring constant of the bungee rope is greater than that of a rubber band, it will have more elastic potential energy. However, if the spring constant of the rubber band is greater than that of the bungee rope, the rubber band will have more elastic potential energy.

<h3>Elastic Potential energy </h3>

Elastic Potential energy is the stored in a elastic string which has been compressed or stretched.

The formula for calculating elastic potential energy is given as:

  • Elastic Potential = 1/2 Kx^2

where

  • K is the spring constant of elastic material
  • x is the distance if compression or stretch

The elastic potential of an elastic material depends on the spring constant and the distance stretched or compressed.

Since the bungee rope and the rubber band are stretched the same distance, their elastic potential energy depends on their spring constant.

Therefore, if spring constant of the bungee rope is greater than that of a rubber band, it will have more elastic potential energy. However, if the spring constant of the rubber band is greater than that of the bungee rope, the rubber band will have more elastic potential energy.

Learn more about elastic potential energy at: brainly.com/question/1075827

3 0
3 years ago
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