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masha68 [24]
3 years ago
11

How do you find the velocity of an object?

Physics
1 answer:
Scorpion4ik [409]3 years ago
3 0
<span>Basically just divide the change in position by the change in time. </span>
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A pressure cylinder has a diameter of 150-mm and has a 6-mm wall thickness. What pressure can this vessel carry if the maximum s
myrzilka [38]

Answer:

p = 8N/mm2

Explanation:

given data ;

diameter of cylinder =  150 mm

thickness of cylinder = 6 mm

maximum shear stress =  25 MPa

we know that

hoop stress is given as =\frac{pd}{2t}

axial stress is given as =\frac{pd}{4t}

maximum shear stress = (hoop stress - axial stress)/2

putting both stress value to get required pressure

25 = \frac{ \frac{pd}{2t} -\frac{pd}{4t}}{2}

25 = \frac{pd}{8t}

t = 6 mm

d = 150 mm

therefore we have pressure

p = 8N/mm2

7 0
3 years ago
How an electric car might still run on fossil fuel
pantera1 [17]

Answer:

Below

Explanation:

Incredible amounts of fossil fuels are used to mine for materials, buil and transport electric vehicles

Electric vehicles use electricity to charge their batteries.  Most electricity is generated using fossil fuels such as natural gas and coal .    

8 0
1 year ago
A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 130-kg laser sensor that measures the thi
umka21 [38]

Answer:T=1316.21 N

Explanation:

The tension has two components: Vertical and Horizontal. The

horizontal component is ma, the vertical component is mg. Using

Pythagoras theorem, we can find the tension as:

T=((ma)^2 (mg)^2)^(1/2)

So

T=((129*2.84)^2 (129*9.8)^2)^(1/2)

T=1316.21 N

8 0
2 years ago
Greg is boiling water on the stove for some noodles. what object can he safely hold while draining the water from the noodles af
zmey [24]
In order for Greg to safely drain the water out of the noodles, he should use potholders or any thing that is does not conduct heat or transfer heat. Some pots are also equipped with handles that are made of plastics for safely transferring of its content to another container. 
5 0
2 years ago
Give 2 animals to combine their inherited traits ( traits they got from their parents )
snow_tiger [21]

Answer:

Cat and a dog

Explanation:

The cat might bark instead of meow because it has certain traits from the dog. The dog however may still bark because it is a dog!

6 0
3 years ago
Read 2 more answers
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