Explain buoyancy in air, Physics

Assignment Help:

Explain Buoyancy in Air

The same buoyancy happens in air. This is how hot air balloons fly. By heating the air and lowering the density of the air in the balloon, the balloon floats in the unheated (more dense) air.

Velocity, Here are the positions at three different times for a bee in flig...

Here are the positions at three different times for a bee in flight (a bee''s top speed is about 7 m/s). time: 5.4 s 5.8 s 6.2 s position: m m Using the best information

Explain the behaviour of the block, Wooden block sits on a level lab table....

Wooden block sits on a level lab table. A string draped over a pulley connects to a bucket that can be filled with lead pellets. Maggie needs to measure how much applied mass (pell

Dynamic resistance, dynamic resistance

dynamic resistance

Determine the object direction, Q. If the net force acting on an object is ...

Q. If the net force acting on an object is in the positive x-direction, the object moves only in the positive x-direction. It is not true, the object will accelerate only in the

#titlethermodynemics.., describe constant volume gas thermometer

describe constant volume gas thermometer

In a plot of photoelectric current versus anode potential, In a plot of pho...

In a plot of photoelectric current versus anode potential, how does 1. The saturation current varies with anode potential for incident radiations of dissimilar frequencies but s

Describe the slope of the solid-liquid phase , A solid substance has a mola...

A solid substance has a molar volume which is  smaller than that of its liquid phase. Which of the following statements regarding the solid-liquid phase transition is/are true?

What is the dimentional formula of velocity gradient?, the dimentional for...

the dimentional formula of  velocity gradient T -1

Object located at the center of curvature- ray diagrams, Ray Diagrams for C...

Ray Diagrams for Concave Mirrors Object Located At the Center of Curvature: Ray diagrams are meaningful tools for denoting the location of an image as generates through a con

Suppose the sides of a closed polygam represent vector arran, Suppose the s...

Suppose the sides of a closed polygam represent vector arrangend head to tail rule , what is sum of these vectors ?