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hammer [34]
3 years ago
6

Mount st Helens is a volcano that erupted with great force in 1980 which phrase

Physics
2 answers:
Rashid [163]3 years ago
5 0

Answer:

high-viscosity magma and lava broken into fragments

Explanation:

ololo11 [35]3 years ago
3 0
Which phrase is there more information I’m confused sorry
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What is universal laws of gravitation ​
valentinak56 [21]

Answer:

Newton's law of universal gravitation states that every particle attracts every other particle in the universe with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

Explanation:

7 0
3 years ago
Suppose that the Millennium Falcon orbits the Death Star 20,000m above the Star’s surface. Calculate the circular orbit velocity
Nataly [62]

Answer:

18.4 m/s

Explanation:

The gravitational force between the Death Star and the Millenium Falcon is equal to the centripetal force that keeps the Millenium Falcon in circular orbit:

G\frac{Mm}{(R+h)^2}=m\frac{v^2}{R+h}

where

G=6.67\cdot 10^{-11} m^3 kg^{-1} s^{-2} is the gravitational constant

M=5.1\cdot 10^{17} kg is the mass of the planet

m=1.36\cdot 10^6 kg is the mass of the Millennium Falcon

v is the orbital velocity of the Millennium Falcon

R=\frac{160,000 m}{2}=80,000 m is the radius of the Death Star

h=20,000 m is the altitude of the Millennium Falcon above the planet's surface

Solving the equation for v, we find the orbital velocity:

v=\sqrt{\frac{GM}{R+h}}=\sqrt{\frac{(6.67\cdot 10^{-11})(5.1\cdot 10^{17} kg)}{80,000 m+20,000 m}}=18.4 m/s

5 0
3 years ago
What does the force of gravity between two objects depend on?
lawyer [7]

-- The equal, mutual forces of gravity between two objects depend on the product
of the two masses ... it doesn't matter whether the masses are equal or there's
one huge mass and one minuscule mass. It's the product that counts.

-- The force also depends on the distance between the centers of the two objects.


3 0
4 years ago
Describe the effect of the amplitude on the velocity of the pulse!???
Andre45 [30]

Answer:

Amplitude increases with decreasing velocity.

Explanation:

At the same time, an increase in attention takes place

5 0
3 years ago
A 1020 kg boat is traveling at 110 km/h when its engine is shut off. The magnitude of the frictional force k between boat and wa
nordsb [41]

Answer: 94 seconds

Explanation:

An exact solution will require calculus, since the acceleration is not constant.


M*dV/dt = -fk = -75V
dV/V = -(75/M)dt



Since you have separated variables to opposite sides, the differential equation is easily integrated. 



Therefore,

V2/V1 = -ln2 = (-75/M)T
where T is the time interval.



Then we have that,

T= (M/75)*ln2 = (1020/75)*0.693
= 94 seconds

4 0
3 years ago
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