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noname [10]
3 years ago
8

Please help only have a short amount of time left!

Physics
2 answers:
VARVARA [1.3K]3 years ago
6 0

Answer:

I think all will display the same value

Explanation:

Sorry if this is wrong

Savatey [412]3 years ago
6 0

Answer:

I think it's option a. this is because,it has longer conductivity.

this might be wrong. I am just in jss2 but I read physics

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A fast pitch softball player does a "windmill" pitch moving her hand through a vertical circular arc to pitch a ball at 70mph. T
uysha [10]

Answer:

Explanation:

The hand throwing ball moves on a circular path having radius r = .55 m

mass of ball m = .19 kg

velocity v = 70 mph

= 70 x 1600 / 60 x 60

= 31.11 m /s

centripetal force

= mv² / r

= .19 x 31.11² / .55

= 334.34 N

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Part CPart complete Determine the maximum force P that can be applied without causing the two 43-kg crates to move. The coeffici
Wewaii [24]

Answer:

the maximum force will be equal to 134.84 N  

Explanation:

We have given mass m = 43 kg

Coefficient of static friction \mu _s=0.32

Acceleration due to gravity g=9.8m.sec^2

We have to find the maximum force which , when applied there is no movement of crates

This maximum force will be equal to frictional force

Frictional force is given by f=\mu mg=0.32\times 43\times 9.8=134.84N

So the maximum force will be equal to 134.84 N  

3 0
3 years ago
In March 1999 the Mars Global Surveyor (GS) entered its final orbit about Mars, sending data back to Earth. Assume a circular or
shusha [124]

Answer: 5.944\times 10^{23}\ kg

Explanation:

Given

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Radius of Mars r=3.43\times 10^6\ m

Consider the mass of mars is M

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M=5.944\times 10^{23}\ kg

5 0
3 years ago
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