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LiRa [457]
3 years ago
12

Uncle Fester's CD's

Physics
1 answer:
MrRissso [65]3 years ago
3 0

Answer: hey

Explanation:

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Using the following equation, find in seconds 145m = 9 m/s x t-35m
Zina [86]

Answer:

t = 20 s

Explanation:

145 m = 9 m/s × t – 35m

We can obtain the value of t in seconds by doing the following:

145 m = 9 m/s × t – 35m

Add 35 m to both side as shown below:

145 m + 35 m = 9 m/s × t – 35m + 35 m

180 m = 9 m/s × t

Divide both side by 9 m/s

t = 180 m / 9 m/s

t = 20 s

Therefore, the value of t is 20 seconds.

5 0
3 years ago
In the process of changing a flat tire, a motorist uses a hydraulic jack. She begins by applying a force of 58 N to the input pi
AfilCa [17]

Answer:

The correct answer is "3899.92 N".

Explanation:

The given values are:

Force,

F_{app}=58 N

Ratio,

\frac{R_2}{R_1}=8.2

As we know,

Area, A=\pi r^2

or,

⇒  \frac{F_2}{F_1} =\frac{A_2}{A_1}

On substituting the value of "A", we get

⇒  \frac{F_2}{F_1} =\frac{\pi r_2^2}{\pi r_1^2}

⇒  \frac{F_2}{F_1} =\frac{r_2^2}{r_1^2}

On applying cross-multiplication, we get

⇒  F_2=F_1\times (\frac{r_2}{r_1} )^2

On substituting the given values, we get

⇒       =58\times (8.2)^2

⇒       =58\times 67.2

⇒       =3899.92 \ N

6 0
3 years ago
How does an atmosphere change the temperature of a planet?
jolli1 [7]
The existence of atmosphere increases the average planetary temperature by more than 15°C, due to the greenhouse effect of some atmospheric compounds. The most important of them are water vapour (H2O), ozone (O3), carbon dioxide (CO2), and methane (CH4).
6 0
3 years ago
Read 2 more answers
Use Snell's Law to solve the following:
azamat

Answer:

1.171

Explanation:

if n₁sinΘ₁=n₂sinΘ₂, then n₂=n₁sinΘ₁ / sinΘ₂;

n_2=\frac{1.5*sin45}{sin65}=\frac{1.5*0.707}{0.906} =1.1705

3 0
3 years ago
Please help<br><br> What is the magnitude of the normal force on the bag?<br> Answer in units of N.
Viefleur [7K]

Answer:

41.576 N

Explanation:

Resolving force in the inclined plane in the x and y directions gives us;

F_x = mg sin θ

F_y = mg cos θ

Thus;

F_x = 4.8 × 9.81 × sin 28

F_x = 22.106 N

F_y = 4.8 × 9.81 × cos 28

F_y = 41.576 N

We can use Newton's second law to find the normal force.. Thus;

N - F_y = 0.

Where N is normal force;

N = 41.576 N

6 0
3 years ago
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