Answer:
A. chemistry, physics..........
Explanation:
this is because they are more needed
Answer:
210
Explanation:
A person's estimated maximum heart rate is 220 minus their age. Since she is 18, her maximum is <em>220 </em>- <em>18 </em>= <em>202</em>. As hers was 8 beats over her maximum, simply add 8 to 202 to find 210 as her heart rate.
The heat liberated by the aluminium container would be equal to heat absorbed by the water.
According to the first law of thermodynamics for a closed system the total energy of the system is always conserved. Therefore the energy liberated by the aluminium container will completely absorbed by the water untill they both come to thermal equilibrium.
Its C. a decrease in the radius and an increase in the tangential speed ,I'm 100% sure