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Lelu [443]
3 years ago
6

A taxi hurries with a constant speed of 60 miles per hour. How long will it take to travel a distance of 130 miles

Physics
1 answer:
Alecsey [184]3 years ago
3 0

Answer:

2.17 hrs

Explanation:

time = distance / velocity

We know that distance = 130 miles and velocity = 60 miles/h.

t = d / v

t = 130 miles / 60 miles/h

t = 2.17 hrs

It takes about 2.17 hours to travel a distance of 130 miles. Hope this helps, thank you !!

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Mimas, a moon of Saturn, has an orbital radius of 1.62 × 108 m and an orbital period of about 23.21 h. Use Newton’s version of K
Drupady [299]

Answer:

3.60432\times 10^{26}\ kg

Explanation:

a = Orbital radius = 1.62\times 10^8\ m

T = Orbital period = 23.21 hours

G = Gravitational constant = 6.67 × 10⁻¹¹ m³/kgs²

From Kepler's third law we get

M=\frac{4\pi^2a^3}{GT^2}\\\Rightarrow M=\frac{4\pi^2\times (1.62\times 10^8)^3}{6.67\times 10^{-11}\times (23.21\times 3600)^2}\\\Rightarrow M=3.60432\times 10^{26}\ kg

From the given data the mass of Saturn is 3.60432\times 10^{26}\ kg

8 0
2 years ago
New research is using functional magnetic resonance imaging (MRI), a scan of the brain that shows specific areas that are activa
kolezko [41]

Answer:

-Frontal Lobe

-Medulla Oblangata

Explanation:

-Functional magnetic resonance imaging or functional MRI (fMRI) measures brain activity by detecting changes associated with blood flow. Such areas light up in scans.

-The frontal lobe because it deals with reasoning and thoughts. Also the -

Medulla Oblongata because it is responsible for breathing and heart rate.

4 0
2 years ago
A column of water exerts a pressure of 100.Pa and a force of 2.40 N. What is the cross-sectional area of a the column?
salantis [7]

p=f/a ... a=f/p = 2.4/100 = 0.024

7 0
3 years ago
Jenny must do her part to make sure her work environment is safe. Which of the following behaviors will help keep her and her co
siniylev [52]
The <span> behaviors will help keep her and her co-workers safe are:

</span><span>- Be familiar with her employer’s workplace violence policy. (so they could operate within the safety guideline)</span>

<span>-. Report any warning signs or threats of violence. (better be cautious than sorry)</span>

<span>- Treat co-workers and customers with respect.(to prevent any potential conflicts that could lead to violence)</span>
8 0
2 years ago
A potter's wheel has the shape of a solid uniform disk of mass 7 kg and radius 0.65 m. It spins about an axis perpendicular to t
ozzi

Answer:

1.832 kgm^2

Explanation:

mass of potter's wheel, M = 7 kg

radius of wheel, R = 0.65 m

mass of clay, m = 2.1 kg

distance of clay from centre, r = 0.41 m

Moment of inertia = Moment of inertia of disc + moment f inertia of the clay

I = 1/2 MR^2 + mr^2

I = 0.5 x 7 x 0.65 x 0.65 + 2.1 x 0.41 x 0.41

I = 1.47875 + 0.353

I = 1.832 kgm^2

Thus, the moment of inertia is 1.832 kgm^2.

5 0
3 years ago
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