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shusha [124]
2 years ago
5

What is Vatiable Velocity?​

Physics
1 answer:
Allushta [10]2 years ago
7 0

Answer:

Explanation: When a body covers unequal distances in equal intervals of time in a specified direction, the body is said to be moving with a variable velocity. Example: A rotating fan at a constant speed has variable velocity, because of continuous change in direction.

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The light bulb converts electrical energy into light and ____. A) chemical B) electromagnetic C) heat D) nuclear
morpeh [17]
The light bulb converts electrical energy into light and heat. 


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3 years ago
Read 2 more answers
the base of a rectangular vessel measure 10m by 18cm. water is poured into a depth of 4cm. (a) what is the pressure on the base?
Alex787 [66]

Answer:

a) P =392.4[Pa]; b) F = 706.32[N]

Explanation:

With the input data of the problem we can calculate the area of the tank base

L = length = 10[m]

W = width = 18[cm] = 0.18[m]

A = W * L = 0.18*10

A = 1.8[m^2]

a)

Pressure can be calculated by knowing the density of the water and the height of the water column within the tank which is equal to h:

P = density * g *h

where:

density = 1000[kg/m^3]

g = gravity = 9.81[m/s^2]

h = heigth = 4[cm] = 0.04[m]

P = 1000*9.81*0.04

P = 392.4[Pa]

The force can be easily calculated knowing the relationship between pressure and force:

P = F/A

F = P*A

F = 392.4*1.8

F = 706.32[N]

4 0
3 years ago
Why does a rock weigh less in water than it does on land?
Cloud [144]
Water is more dense then air so it sorta holds the rock as it sinks
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3 years ago
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