Answer:
The height of building should be 98.13 m plus the height of Daniel. Since the 63° was measured from his eye level.
Explanation:
Answer:
15m/s
Explanation:
add the two speeds and divide by 2
10+20=30
30/2=15
Answer:

Explanation:
The equation relating the the enthalphy, pressure and temperature is expressed as

Where P is the pressure, H is the enthalphy, and T is the temperature.
since the given values are

if we insert values, we arrive at

Answer:
45C in a minute is
45/60 C in a second
.75 C in a second is 3/4 of an ampere.
Explanation: