First of all we state the formula
Power=work done/time
we can rearrange this formula as well
work done=power x time
Since the SI unit of time is in seconds we change the minutes to seconds
2mins= 60x2 = 120 seconds
Using our formula (work done=power x time) we simply put in the values
work done = 4500 x 120
work done = 540,000J
Yep, the aorta is the main artery that carries blood away from your heart to the rest of your body :)
Dry ice is carbon dioxide that is cooled to the point of becoming a solid. It then goes through sublimation, which is when something goes from a solid to a gas (this is when it is taken from its freezing temperature
1. Nuggets (AKA: Sonic Ice)
Nugget-shaped ice tends to be soft and chewy. One of the benefits to this type of ice is that the drink it is mixed with tends to keep its flavor well. This makes nugget ice great for food service. The nuggets tend to not stick together and lasts for a good amount of time in any drink.
Nugget ice is the ideal choice for carbonated drinks and blended cocktails, but also works great in salad bars and produce displays to keep food cool.
2. Flakes
You might be familiar with ice flakes as they are often found in snow cones. Not only does this ice look good, but it also serves well to preserve food on display, such as seafood, meat, and produce.
Ice flakes are great for display because they help to maintain the hydration of the food more consistently for longer periods of time. For this reason, it is also a good ice shape choice for transporting perishable food. This is also the ideal ice type for making blended drinks, as the ice is soft, flaky and easier to blend.
Answer:
Explanation:
Angular speed of the motion ( SHM )
ω = √k/m
= √(580/.23 )
= 50.20 radian /s
a ) Rate of doing work
= power = force x velocity
At the equilibrium position force becomes zero so
rate of doing work is zero.
b )
If a be the amplitude
1/2 k a² = 170
a = .7655 m
kinetic energy at equilibrium = 1/ 2 m v₀²
1/ 2 m v₀² = 170
.5 x 23 v₀² = 170
v₀ = 3.84 m /s which is the maximum velocity.
Given x = .66 where rate of doing work is to be calculated.
Force at x = ω² x
= 50.20² x .66 =
= 1663.22 N
Velocity v = v₀ √( a² - x² )
= 3.84 √( .7655² - .66 )
= 3.84 x .387
= 1.486 m/s
power = force x velocity
= 1663.22 x 1.486
= 2471.55 W .