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Artyom0805 [142]
3 years ago
13

The transfer of energy carried in rays is called convection true or false

Physics
1 answer:
Oxana [17]3 years ago
4 0
False that is radiation
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You spy on an anchor on the bottom of a lake. What is the direction and amount of force the water exerts on it: a) zero
vaieri [72.5K]

Answer:

c) up, less than the weight of the anchor

Explanation:

An object floats when the weight of the water the object displaces is equal to the weight of the object. In this case the weight of the anchor and the weight of the water it displaces is not the same so it sinks. Buoyancy is the force that acts on body when it is in water.

When buoyancy is less than the force that the object is generating due to gravity the object sinks. Buoyancy always acts up.

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3 years ago
An object at rest increases its velocity to 10 m/s in 3 seconds. what is its acceleration?
Anna11 [10]

Answer:

30m

Explanation:

10m per second

there is 3 seconds

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4 0
4 years ago
From measurements on a uniformly sized material from a dryer, it was found that the surface area of the material is 1200 m2. If
amm1812

Answer:

D = 2.07\times 10^{-4} m

Explanation:

We know that the volume of the material

= mass/density

mass= 360 Kg

density = 1450 kg/m^3

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and Volume = Area× equivalent Diameter

Area= 1200 m^2

⇒Equivalent Diameter= Volume/Area= 0.248/1200=

D = 2.07\times 10^{-4} m

3 0
3 years ago
Pls help ASAP !! Phyics
mina [271]

Answer:

Explanation:

Given

mass (m)= 20 kg

acceleration (a)= 10 m/s^2

Force (f)= m a

             = 20 * 10

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7 0
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What is causing her to resist a change in her lack of motion? Answer asap
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uduehdhehshdhdhdhdegsgshe

Explanation:

a

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