Answer:
Vw = 0.98m/s due 67.16° north of east
Explanation:
The distance the canoeist wants to travel is:
And the angle of the destination point is
With this trajectory and the time of 42s, we get the velocity of the canoe respect to ground:
Now we can calculate the velocity of the water:
I really dont know you would do that yourself soo yea..,
Answer:
A chemical reaction
Explanation:
In a physical change the chemical composition of a matter stays the same. One example is a change in state of matter. Consider water, you can heat it to vapour and cool it to form ice but you can get the exact same mass and colour after any physical change happens.
To form a two or more substance an internal arrangement of atoms must happen. For that chemical change should occur as only in chemical reactions atoms are rearrange to form new substances.
Answer:
Sugar dissolves faster than salt
A B
input force the force exerted on a machine
work input the work done on a machine as the input force acts through the input distance
output distance the distance an output force acts through a machine
mechanical advantage the number of times that a machine increases an input force