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Degger [83]
3 years ago
12

(06.03 LC)

Physics
1 answer:
SVETLANKA909090 [29]3 years ago
3 0

Answer:

10%

Explanation:

-The angle of the Earth's tilt is directly proportional to the surface area that receives sunlight.

-The smaller  the tilt axis of rotation, the smaller the area receiving sunlight.

-The Earth's axis tilt causes light spread in situation referred to as the  cosine projection effect.

-Hence, the 10° receives the smallest area of sunlight (this is likely the Artic region).

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A turntable must spin at 33.4 rpm (3.50 rad/s) to play an old-fashioned vinyl record. how much torque must the motor deliver if
Westkost [7]
In order to compute the torque required, we may apply Newton's second law for circular motion:
Torque = moment of inertia * angular acceleration

For this, we require the angular acceleration, α. We may calculate this using:
α = Δω/Δt
The time taken to achieve rotational speed may be calculated using:
time = 1 revolution * 2π radians per revolution / 3.5 radians per second
time = 1.80 seconds

α = (3.5 - 0) / 1.8
α = 1.94 rad/s²

The moment of inertia of a thin disc is given by:
I = MR²/2
I = (0.21*0.1525²)/2
I = 0.002

τ = 1.94 * 0.002
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The torque is 0.004
4 0
3 years ago
why does a car slide when it rolls over an icy patch on a road? A. cars have more momentum on icy surfaces. B. there is less fri
Vaselesa [24]
The answer is B
because if you compare a regular road and ice... ice is smoother and therefore has less friction 
6 0
3 years ago
Read 2 more answers
2. Tomas is hanging from a tree limb, that is inclined at a 65° angle. The force
LUCKY_DIMON [66]

Answer:

57 N

Explanation:

Were are told that the force

of gravity on Tomas is 57 N.

And it acts at an inclined angle of 65°

Thus;

The vertical component of the velocity is; F_y = 57 sin 65

While the horizontal component is;

F_x = 57 cos 65

Thus;

F_y = 51.66 N

F_x = 24.09 N

The net force will be;

F_net = √((F_y)² + (F_x)²)

F_net = √(51.66² + 24.09²)

F_net = √3249.0837

F_net = 57 N

4 0
3 years ago
An object has a forward force of 100N and a reverse force of 25N. What is the resultant force?
iragen [17]

<u>Given</u><u>:</u>

  • An object has a forward force = 100N

  • An object has a reverse force = 25N

<u>To</u><u> </u><u>find</u><u> </u><u>out</u><u>:</u>

What is the resultant force?

<u>Solution</u><u>:</u>

Resultant Force = Forward force + Reserve force

= 100 N + ( - 25 N )

= 75 N

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3 years ago
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In 4 -5 sentences, summarize the science of the sport of curling and how it relates to friction
zalisa [80]
Well, a curler uses heat to calm down friction so I am not sure
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