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3 years ago

What happens to the buoyant force on an object as it is lowered into water? Why?

2 answers:

3 0

The buoyant force of an object which is submerged in water or any fluid is equal to the weight of the fluid displaced by an object.
why? the buoyant force goes up, and the gravitational pull goes down. <span />

xenn [34]3 years ago

3 0

The buoyant force of an object which is submerged in water or any fluid is equal to the weight of the fluid displaced by an object.

why? the buoyant force goes up, and the gravitational pull goes down.

Explanation:

When an object is submerged in a liquid, the uphill force on the floor of an object is larger than the downward force on the top of the object. The buoyant force is a consequence of pressure exercised by the fluid.

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Where is the potential energy of a magnet stored?

Georgia [21]

Answer:

I think it is In the magnetic field

Explanation:

why is because in the electric field is wrong. Please don't use these to cheat these are for you help.

5 0

3 years ago

Can we use a clinical thermometer to measure the temperature of a candle flame

miv72 [106K]

In theory, yes. The 2 problems are the materials used for clinical thermometers, & the temperature capacity of the clinical thermometer. If anything, change the material & extend the measurement threshold. At that point, it wouldn´t be used for clinical garbage anymore.

3 0

4 years ago

A small car has a head-on collision with a large truck. Which of the following statements concerning the magnitude of the averag

Veronika [31]

Answer:

The small car and the truck experience the same average force.

Explanation:

The average net force will be the resultant force of the average forces of both vehicles. On collision, they'll both experience the same impact force, but the deceleration and deformation felt by the individual vehicle will be proportional to the mass of the vehicle. This is why it will seem like the car will have more force but is not actually so.

4 0

3 years ago

An airplane has an effective wing surface area of 19.4 m2 that is generating the lift force. In level flight the air speed over

alexgriva [62]

Answer:

W =23807.68 N

Explanation:

given,

surface area of wing = 19.4 m²

speed over top wing = 67 m/s

speed under wing = 51 m/s

density of air = 1.3 kg/m³

weight of plane

From Bernoulli's principle

$P_1 + \dfrac{1}{2}\rho v_1^2 = P_2 + \dfrac{1}{2}\rho_2^2$

where 1 and 2 are two different locations at the same geo potential level

so if we call 1 the lower surface and 2 the upper surface,

we find the pressure differential, P₁ -P₂

$\Delta P =\dfrac{1}{2}\rho (v_2^2-v_1^2)$

$\Delta P =\dfrac{1}{2}\times 1.3 \times (67^2-51^2)$

$\Delta P =1227.2\ N/m^2$

then the force acting on the plane is

F=P A

F=1227.2 x 19.4

F =23807.68 N

weight of the plane

W =23807.68 N

7 0

3 years ago

If the motion of B is uniformly accelerated, at what time will both graphs have

Misha Larkins [42]

Answer:

Im just here for the points man sorry

Explanation:

7 0

3 years ago