Answer:
11970 pa
Explanation:
A millimetre of mercury is a manometric unit of pressure, formerly defined as the extra pressure generated by a column of mercury one millimetre high, and currently defined as exactly 133.322387415 pascals so if 1 mmHg is 133 pa 90mmHg is 11970 aprox
Answer: y will change the slowest but still with a zero (0) value.
Explanation: at y = 3: the height y will change the slowest when the coffee level is at the top of the cone.
Answer:
42 minutes
Explanation:
First, let us find out the time required by the roommate, who is driving the truck, to reach the city.
We know that,

Now, you are planning to rest a bit after traveling for an hour. So,
distance covered in that 1 hour = 
time required by you to cover the total distance = 
If you wish reach at the destination half an hour (0.5 h) before your roommate, you can expend a total of
throughout your journey.
Hence, you can rest for 
When light is reflected by a mirror, the angle of incidence is always <span>A. equal to the angle of reflection. We know this by the Law of Reflection.</span>