How is buoyancy used in the real world?
Answers
-- Buoyancy is used to bring crude oil from Saudi Arabi to refineries in the US. The oil is loaded into tanks that are part of supertanker ships. Buoyancy is created by their ship-shape, so they float on water, and they can be dragged across the ocean on top of the water.
-- Buoyancy is used for a cheap thrill on the weekend. People drive out in the country and find a place where they can buy a ride under a hot-air balloon. The balloon is filled with hot air from a propane burner under its opening, and then it rises up off the ground because of its buoyancy in cool air.
-- Buoyancy is used cleverly by factories, to get rid of their gaseous and particulate wastes. The wastes are heated, and then blown into tall "smokestacks" connected to the factory. Then they rise because of the buoyancy created by hot stuff in cool air. When they leave the top of the smokestack, they keep rising for a while. Then, weather systems blow them away from the factory, over into other people's neighborhoods, where they finally sink to the ground in places where nobody knows where they came from.
-- Buoyancy is used in teapots, coffee makers, and lava lamps. A heat source is placed under the bottom of the container. Heat is conducted through the bottom of the container, and it heats the fluid that's in contact with the inside of the container on the bottom. The hot fluid rises to the top of the container, because of the buoyancy created by hot stuff surrounded by cool stuff. At the same time, cool stuff flows in to take its place at the bottom.
In pots and pans and tanks where buoyancy is used this way, the motion of the fluids up and down and around is called "convection".
Answer:
to mack boats float
Explanation:
without it the boats will sink to the bottom
Related Questions
Two objects attract each other gravitationally with a force of 3.0×10−10N when they are 0.45m apart. Their total mass is 4.0kg . find the individual masses
A ball is projected vertically upwards from the top of a tower 60 meters high with a velocity of 30m/s.what is the maximum height above the ground level? How long does it take to reach the ground?
A 0.09 kg marble sits at rest on the top of a sloping, frictionless track.a. If the slope has a height of 1.5 m, calculate the velocity of the marble at the bottom ofthe slope.
You are on roller blades on top of a small hill. Your potential energy is equal to 1,000.0 joules. The last time you checked your mass was 60.0 kilograms. a. What is your weight in newtons? b. What is the height of the hill? c. If you start skating down this hill, your potential energy will be converted to kinetic energy. At the bottom of the hill, your kinetic energy will be equal to your potential energy at the top. What will be your speed at the bottom of the hill?
Answers
When an unbalanced force is applied in the same direction as the motion of an object, the object's speed will increase, while its acceleration will remain constant. In cases where the unbalanced force is consistently applied and aligned with the object's motion, its speed will progressively rise, resulting in an increasing acceleration. Conversely, when a constant unbalanced force acts in the opposite direction to the object's motion, the speed of the object will decrease, and its acceleration will remain constant. If the force opposing the motion becomes stronger over time, the object's speed will decrease even further, leading to an increasing negative acceleration.
The scenarios highlight the direct relationship between unbalanced forces, speed, and acceleration, demonstrating how different force applications influence the motion characteristics of an object.
1) Constant Unbalanced Force in the Same Direction:
Speed: Increase
Acceleration: Constant
2) Increasing Unbalanced Force in the Same Direction:
Speed: Increase
Acceleration: Increase
3) Constant Unbalanced Force in the Opposite Direction:
Speed: Decrease
Acceleration: Constant
4) Increasing Unbalanced Force in the Opposite Direction:
Speed: Decrease
Acceleration: Increase
Conclusion:
Same Direction, Constant Force: Speed increases, acceleration remains constant.
Same Direction, Increasing Force: Speed increases, acceleration increases.
Opposite Direction, Constant Force: Speed decreases, and acceleration remains constant.
Opposite Direction, Increasing Force: Speed decreases, acceleration increases.
To know more about the acceleration:
#SPJ12
Final answer:
The effects of unbalanced forces on speed and acceleration depend on whether the force is constant or increasing and whether it is applied in the same or opposite direction as the motion. A constant or increasing force in the same direction as the motion increases speed and acceleration, while in the opposite direction, it causes decrease or deceleration.
Explanation:
When there is a constant unbalanced force applied in the same direction as the motion, the speed will increase and acceleration will remain constant, since force and acceleration are directly proportional according to Newton's Second Law of Motion.
When there is an increasing unbalanced force applied in the same direction as the motion, both the speed and acceleration will increase, as increased force results in increased acceleration, leading to an increase in speed over time.
When there is a constant unbalanced force applied in the opposite direction as the motion, the speed will decrease and the acceleration will be negative, which represents a deceleration or slowing down of the object.
When there is an increasing unbalanced force applied in the opposite direction as the motion, the speed will decrease at an increasing rate and the acceleration will be increasingly negative, implying an increasing rate of deceleration.
Learn more about Physics of Motion here:
#SPJ11
Answers
Question:
Who is the president of Kenya?
Answer:
Uhuru Kenyatta
Answer:
Uhuru Muigai Kenyatta
Explanation:
He was born on 26 October 1961.
He is a Kenyan politician, businessman, and the fourth and current President of the Republic of Kenya.
Answers
Good morning Brianiac
Plateau period are times in life when there is no downhill or downhill happened in your life.
It was my pleasured to help you :0
Answers
Answer: 14.7 N
Explanation:
The weight of an object on Earth is given by
where
m is the mass of the object
is the acceleration due to gravity on Earth's surface
In this problem, we have a book of mass m=1.5 kg, so its weight is given by
D) 14.7 N
93,000
930,000
9,300,00
Answers
Answer:
930,000
Explanation:
9.3 x 10^5
The power of 10 (5 in this question) gives the number of times the decimal point is to be moved to the right.
If there was a negative sign in front of the power, the number would have been an indication of how many times the decimal point is to be moved to the left.
Further to this
9.3 x 10^5 = 9.30000000 x 10^5
= 930000.000
= 930,000