A = change in velocity / change in time
in your case a = 0(final velocity)-30(initial velocity)/10
so, a = -30/10 = -3 m/s^2
I hope this helps you!
Answer:
20m/s
Explanation:
Given parameters:
Distance of throw = 50m
Time = 3s
Unknown:
Average speed = ?
Solution:
Average speed is distance divided by time;
Average speed =
Insert the parameters and solve;
Average speed = = 16.66667m/s = 20m/s
Answer:
Mercury is the only one in liquid state at room temperature. It's used in thermometers because it has high coefficient of expansion.
Explanation:
Hence, the slightest change in temperature is notable when it's used in a thermometer. It also has a high boiling point which makes it very suitable to measure higher temperatures.
Hope this helps :)
Answer:
The total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.