Answer:
10.65°
Explanation:
To calculate the initial Mach Number
Now, to calculate the angle turned by the wall; we have the following expression.
where:
= the angle between the initial flow direction = 40°
K is the ratio of specific heats o fair = 1.4
SPEED is distance divided by the change in time.
Force is change in momentum divided by the change in time.
Acceleration is change in velocity divided by the change in time.
Displacement is the straight-line distance and direction from the start-point to the end-point.
Explanation:
Work cannot be increased by using a machine of some kind.
<span><u>Answers</u>
</span>Hurricanes.<span>
<u>Explanation</u>
Hurricane is a tropical cyclone that mostly occurs in the atlantic ocean and in the northern pacific ocean. It resembles a rapid rotating storm characteristic by low pressures.
So, best answer that suits the question asked is: </span><span>b. hurricanes.</span><span>
Powerful tropical storms that are characterized by wind speeds greater than 120 km/h and storm surges are called </span>hurricanes.
Answer:
Efficiency = 71%
Explanation:
Given the following data:
Output energy = 250 Joules
Input energy = 350 Joules
To find efficiency;
Substituting into the equation, we have;
Efficiency = 71.43 ≈ 71%
Therefore, the efficiency of the candle is 71 percent.