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dangina [55]
3 years ago
10

Sketch a position-time graph for a bear starting

Physics
1 answer:
Dmitrij [34]3 years ago
3 0

Explanation:

hopefully that makes sense. the position doesn't change over the 5 seconds, meaning it's stopped but time still continues. then when the slope is negative this shows the bear's position becoming negative (backing up, changing direction).

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Three 3-ohm resistors are connected in parallel. The total resistance for the resistors is
Anna11 [10]

Explanation:

I think the total resistance of the resistors is 1 ohm . it is also known as equivalent resistance.

hope it helps.

3 0
3 years ago
As you are cycling to the Q center one spring day, you pass the construction site at Gant and stop to watch a few minutes. A cra
Rama09 [41]

Answer:

30.63 m

Explanation:

Using y = ut + 1/2gt² where u = initial speed of block = 0 m/s, g = acceleration due to gravity = 9.8 m/s² and t = time of fall = 2.5 s and y = height of fall.

So, substituting the values of the variables into the equation, we have

y = ut + 1/2gt²

y = 0 m/s × 2.5 s + 1/2 × 9.8 m/s² × (2.5 s)²

y = 0 m + 4.9 m/s² × 6.25 s²

y = 0 m + 30.625 m

y = 30.625 m

y ≅ 30.63 m

So, the brick fell 30.63 m

7 0
3 years ago
A vicious dog is pulling his owner with 150N of force . If the owner is dragged 40 meters , how much work did the dog do ?
Angelina_Jolie [31]

Afor:6000Nm

Explanation: work=force×distance

Work=150×40

Work=6000Nm

4 0
3 years ago
Than a cool
Rashid [163]
Alnilam is the brightest star

Absolute brightness is how bright the star actually is. Apparent brightness is how bright the star looks.

Factors that influence how bright a star looks is distance. The fact that Alnilam has the same apparent brightness of the other two stars even though it is farther away, means that it is brighter.

7 0
3 years ago
Check my work please
katrin [286]

We can use the ideal gas equation which is expressed as PV = nRT. At a constant volume and number of moles of the gas the ratio of T and P is equal to some constant. At another set of condition, the constant is still the same. Calculations are as follows:

T1/P1 = T2/P2

P2 = T2 x P1 / T1

P2 = 273 x 340 / 713

<span>P2 = 130 kPa</span>

6 0
3 years ago
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