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gogolik [260]
2 years ago
10

What do it mean by the value of gravitational constant is 6.67×10^-11Nm^2/kg^2​

Physics
1 answer:
luda_lava [24]2 years ago
8 0

Answer:

gravitational constant value means it was never change in any particular area of the Earth

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The Tour de France is the biggest bicycle race in the world. The race lasts for three weeks and is one of the biggest sporting e
avanturin [10]

Answer:

Yellow, green, polka dot and white jerseys

Explanation:

Tour de France is the biggest bicycle race in the world held at France over a period of 23 days. At the end of each day of racing they give to the certain riders FOUR different colored jerseys:

  1. The yellow jersey is given to the overall winner at each stage, this shows the rider who was the best in the previous stage.
  2. The green jersey is given to the best sprinter of each stage,
  3. The polka dot jersey is given to the rider who first reach the crest of designated hills and mountains at each stage.
  4. The white jersey is given to the fastest rider at each stage under 25 years at the beginning of the racing year.

At the end of the competition, the total points are counted and the different jerseys are given to the overall winners.

5 0
3 years ago
I shoot a bullet up at 270 m/s. How long does it fly for????
IrinaVladis [17]

Answer:

5 minutes

Explanation:

4 0
3 years ago
Starting the moon's cycle with the new moon phase, what phase will it be in after about a week?
sergey [27]
The waxing crescent moon I believe 
5 0
3 years ago
Name human body organs where magnetism is significant
ser-zykov [4K]
It has been hypothesized, and some studies have supported the conjecture,
that certain species of insects and birds are able to sense the direction of external
magnetic fields.

I don't think there is any such notion where human beings are concerned.
5 0
3 years ago
You drop a steel ball bearing, with a radius of 2.40 mm, into a beaker of honey. Note that honey has a viscosity of 6.00 Pa/s an
Stells [14]

Answer:

The “terminal speed” of the ball bearing is 5.609 m/s

Explanation:

Radius of the steel ball R = 2.40 mm

Viscosity of honey η = 6.0 Pa/s

\text { Viscosity has Density } \sigma=1360 \mathrm{kg} / \mathrm{m}^{3}

\text { Steel has a density } \rho=7800 \mathrm{kg} / \mathrm{m}^{3}

\left.\mathrm{g}=9.8 \mathrm{m} / \mathrm{s}^{2} \text { (g is referred to as the acceleration of gravity. Its value is } 9.8 \mathrm{m} / \mathrm{s}^{2} \text { on Earth }\right)

While calculating the terminal speed in liquids where density is high the stokes law is used for viscous force and buoyant force is taken into consideration for effective weight of the object. So the expression for terminal speed (Vt)

V_{t}=\frac{2 \mathrm{R}^{2}(\rho-\sigma) \mathrm{g}}{9 \eta}

Substitute the given values to find "terminal speed"

\mathrm{V}_{\mathrm{t}}=\frac{2 \times 0.0024^{2}(7800-1360) 9.8}{9 \times 6}

\mathrm{V}_{\mathrm{t}}=\frac{0.0048 \times 6440 \times 9.8}{54}

\mathrm{V}_{\mathrm{t}}=\frac{302.9376}{54}

\mathrm{V}_{\mathrm{t}}=5.609 \mathrm{m} / \mathrm{s}

The “terminal speed” of the ball bearing is 5.609 m/s

7 0
3 years ago
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