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Lady bird [3.3K]
3 years ago
8

Why do most coastal regions have two high tides and two low tides?

Physics
1 answer:
Dovator [93]3 years ago
7 0
Because the Earth rotates through two tidal bulges every lunar day.
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Provide three statements that demonstrate the importance of units when describing motion
lakkis [162]
Stamina

Speed

Consestancy
3 0
4 years ago
Physical science
attashe74 [19]

Answer:

0.56 km/s

Explanation:

We will define a single system of units for measurement, for this case meters per second [m/s]. That is, we must convert the rest of units such as centimeters per second and kilometers per second to meters per second.

560[\frac{cm}{s}]*(\frac{1m}{100cm} )=5.6[m/s]\\0.56[\frac{km}{s}]*(\frac{1000m}{1km} )=560[m/s]

Therefore the speed of 0.56 [km/s] is the greatest of all

3 0
3 years ago
A motorboat heads due east at 16 m/s across a river that flows due south at 9.0 m/s. a.) What is the resultant velocity of the b
alukav5142 [94]

Answer:

a)V=18.35 m/s (South -East)

b) t =7.41 m/s

c)D= 66.70 m

Explanation:

Given that

Velocity of boat in east direction = 16 m/s

Velocity of river = 9 m/s

a)The resultant velocity V

V=\sqrt{16^2+9^2}\ m/s

V=18.35 m/s (South -East)

b)

We know that

Distance = Velocity x time

Lets t time takes to cross the river

136 = 18.35 x t

t =7.41 m/s

c)

   The distance covered downstream  

We know that

Distance = Velocity x time

t= 7.41 s

D= 7.41 x 9 m

D= 66.70 m

3 0
3 years ago
If a particle with a charge of +4.3 × 10−18 C is attracted to another particle by a force of 6.5 × 10−8 N, what is the magnitude
Mrrafil [7]

The magnitude of the electric field at this location is 1.5\times 10^{10} N/C

<u>Explanation:</u>

Given

Charge\ of\ the\ particle\ Q=4.3\times 10^-18\ C\\Force\ with\ which\ it\ is\ attracted\ F=6.5\times 10^-8\ N

Electric field at this location determined by the force and charge.

E=F/Q

E=\frac{6.5\times 10^-8}{4.3\times10^-18} =1.5\times\ 10^{10}  \ N/C

7 0
4 years ago
In the experiment, “Rolling Along”, which ball had the greater mass?
olga2289 [7]

Answer:

b

Explanation:

4 0
3 years ago
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