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aleksandrvk [35]
3 years ago
8

5. A 10 kg ball is traveling at the same speed as a 1 kg ball. Compared to the 10 kg ball, the 1 kg ball has (2 points)

Physics
1 answer:
suter [353]3 years ago
4 0
What’s the rest of the question or is that it?
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ccording to the law of inertia, if you see an object in motion slowing down, what can you conclude? a. That there must be some e
ivanzaharov [21]

Answer:

a)

Explanation:

Newton's First law (aka law of inertia) says that any object, not subject to an external influence, must be keep in its present motion status (at rest or moving at constant speed along a straight line) forever.

So, if we see an object in motion slowing down, there must be an external infuence acting on it, that makes it slow down, like a friction force, for instance.

7 0
3 years ago
Which projectiles will be visibly affected by air resistance when they fall
OLga [1]
Balloon
this could be it
5 0
3 years ago
In a carnival ride, passengers stand with their backs against the wall of a cylinder. The cylinder is set into rotation and the
Lerok [7]

Answer:

Minimum speed will  be equal to 2.213 m/sec

Explanation:

We have given radius of the r = 2 m

Coefficient of friction \mu =0.25

At minimum speed frictional force will be equal to centripetal force

So \mu mg=\frac{mv^2}{r}

\frac{v^2}{r}=\mu g

v=\sqrt{\mu rg}=\sqrt{0.25\times 2\times 9.8}=2.213m/sec

So the minimum speed will be equal to 2.213 m/sec

8 0
3 years ago
What is the frequency of an electromagnetic wave that has a wavelength of 4,000m?
NeTakaya

Answer:

f=75000hz

Explanation:

fλ= c

f= c/λ

f = 3.0×10^8/4000

f=75000hz

7 0
4 years ago
L'intensité de la pesanteur g à la surface d'une planète peut se calculer par la formule : g=G. M R^ 2 M;\\ R: masse de la planè
jarptica [38.1K]

Answer:

Step-by-step explanation:

i dont know man im getting nervos

6 0
2 years ago
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