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svlad2 [7]
3 years ago
8

The diagram below shows a 1.0 x 105newton truck at rest on a hill that makes an angle of 8.0° with the

Physics
1 answer:
Digiron [165]3 years ago
7 0

Answer:

it \: is \: mg \sin(8.0 \degree)  \\  = 1.0 \times 10 {}^{5}  \times  \sin(8.0 \degree)  \\  = 9.9 \times 10 {}^{4}  newtons

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A child's first bicycle has 12-inch tires. These tires have a 6-inch radius. How fa r does the bicycle move forward each time th
Lilit [14]

Answer:

a. s = 0.96 m

b. s = 2.15 m

Explanation:

a.

The relationship between the linear displacement and the angular displacement is given as follows:

s = r\theta

where,

s = linear distance covered = ?

r = radius of wheel = (6 in)(0.0254 m/1 in) = 0.1524 m

θ = angular displacement = (1 rev)(2π rad/1 rev) = 2π rad

Therefore,

s = (0.1524\ m) 2\pi

<u>s = 0.96 m</u>

<u></u>

b.

Assuming, we have to find linear displacement here, as well:

s = r\theta

where,

s = linear distance covered = ?

r = radius of wheel = (13.5 in)(0.0254 m/1 in) = 0.3429 m

θ = angular displacement = (1 rev)(2π rad/1 rev) = 2π rad

Therefore,

s = (0.3429 \ m) 2\pi

<u>s = 2.15 m</u>

3 0
3 years ago
Which acceleration does the force of earth’s gravity produce?
aev [14]

I think its A

hope this helps

5 0
3 years ago
What type of energy is at work when mini-blinds are being raised or lowered
ohaa [14]
The type of energy that is ar work when blinds are being raised or lowered is potential energy. because potential energy is the energy stored in an object due to its vertical position, the main cause of the potential energy is the acceleration due to gravity. so that is why its formual is PE = mgh
where m is the mass, g is the acceleration due to gravity and h is the height
4 0
3 years ago
What makes psychoanalysis different from behaviorism?
irakobra [83]
Psychoanalysis considers introspection and examines the subconscious.
7 0
3 years ago
Read 2 more answers
Each of the four expansion models (recollapsing, critical, coasting, and accelerating) predict different ages for the universe,
cupoosta [38]

Answer:

This is because the age of the universe is determined by the pace of expansion in the past, and each model forecasts a different pace.

Explanation:

The age of the universe is determined by the pace of expansion in the past, and each model forecasts a different pace.

This is due to the fact that the expansion rate in the coasting model is constant and never changes. Because the cosmos is growing faster now than during the old days, recollapsing and critical models give shorter ages. According to the accelerating model, the universe is growing at a slower rate currently than in the past, implying an older age.

4 0
3 years ago
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