Answer:
The approximate distance traveled by the ball would be 80 meters in 4 seconds.
Explanation:
Given the canon has a horizontal velocity 140 m/s when it is launched from a tower.
We can see that as was fired horizontally the vertical component of the velocity is zero.
Now, the only force that causes ball to fall to the ground is the gravitational force.
Also, it was given that we need to neglect air resistance.
So, this the condition of free fall. We will use its formula
Where,
is the distance traveled vertically.
is the time of fall.
is .
Plugging these values we get,
So, the approximate distance traveled by the ball would be 80 meters in 4 seconds.
When there is a temperature difference/Gradient, heat flows from a region of high concentration to region of low concentration.
<h3>Energy and Heat/Mass Transfer</h3>
Thermal energy flow from region of higher temperature gradient to region of low temperature gradient till equilibrium is reached.
When the hot metal is places in a cold water bath, there will be a temperature difference and by conduction(water conducts heat) the heat will travel in the water medium and circulate till equilibrium
Learn more about heat and mass transfer here:
brainly.com/question/13439286
If the resistance is ohmic (follows Ohm's law of V=IR), then current should be
I = V/R, where I is current, V is voltage, and R is resistance.
Current in this case will be
I = (120V)/(100Ω)
I = 1.2A
Answer:
Explanation:
The law of conservation of angular momentum states that angular momentum remains constant when there is no external moment or forces applied to the system. Let assume that star can be modelled as an sphere, then:
The final angular speed is: