Average speed = (total distance covered) / (time to cover the distance)
Total distance covered = (99km + 80km) = 179 km
Time to cover the distance = 8 hours
Average speed = (179km / 8hours)
Average speed = 22.375 km/hour
Answer:
Explanation:
Given that:
- mass of 1 skier,
- inclination of hill,
- length of inclined slope,
- time taken to reach the top of hill,
- coefficient of friction,
<em>Now, force normal to the inclined plane:</em>
<em>Frictional force:</em>
<em>The component of weight along the inclined plane:</em>
<em>Now the total force required along the inclination to move at the top of hill:</em>
<em>Hence the work done:</em>
<em>Now power:</em>
<u>So, power required for 30 such bodies:</u>
To calculate for the pressure of the system, we need an equation that would relate the
number of moles (n), pressure (P), and temperature (T) with volume (V). There are a number of equations that would relate these values however most are very complex equations. For
simplification, we assume the gas is an ideal gas. So, we use PV = nRT.<span>
PV = nRT where R is the universal gas
constant
P = nRT / V</span>
<span>P = 3.40 mol ( 0.08205 L-atm / mol-K ) (251 + 273.15 K) / 1.75 L </span>
<span>P = 83.56 atm</span>
<span>
</span>
<span>Therefore, the pressure of the gas at the given conditions of volume and temperature would be 83.56.</span>
Surface tension<span> is a property of the surface of a liquid that allows it to resist an external force. for example, some objects can float on the surface of water, even though they are denser than water, and in the ability of some insectsto run on the water surface. This property is caused by cohesion of similar molecules, and is responsible for many of the behaviors of liquids.</span>
Answer:
I think the the answer is creating and layout and template style ( C )
Explanation:
I did it before and i was checking my notes and i wrote that down , Hope this Helps :)
