The gravitational force between Susie and Troy is d) 
Explanation:
The magnitude of the gravitational force between two objects is given by
where
:
is the gravitational constant
m1, m2 are the masses of the two objects
r is the distance between them
In this problem:
is Susie mass
is Troy mass
r = 2 m is the distance between them
Substituting into the equation, we find the gravitational force between Susie and Troy:
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It's false i hope this helps :)
6 J is the impulse caused by the change in velocity of 2 kg box from 2 m/s to 5 m/s.
Answer:
The magnitude of impulse is 6 J.
Explanation:
Impulse is the force acting on any object for a given time interval. As force is equal to the product of mass and acceleration and acceleration is the rate of change of velocity with time. Then the product of force with time interval will be equal to the product of mass with change in velocity.
F = m a = 
FΔt = mΔv
Impulse = FΔt=mΔv
As the mass of box is given as 2 kg and the velocity changes from 2 m/s to 5 m/s, then the impulse = 2 × (5-2) = 2 ×3 =6 J
So 6 J is the impulse caused by the change in velocity of 2 kg box from 2 m/s to 5 m/s.
A. freezing, when water turns to ice the water is turning from a liquid to a solid.
Answer:
Convection currents are the result of different heating. Lighter material (warm) rises while heavier (cold) material sinks. This movement of the materials is what causes convection currents! (BTW, it happens in water, in the atmosphere, and in the mantle of Earth!
Explanation:
I hope this helps a little! :)