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xz_007 [3.2K]
3 years ago
7

A cat falls from a table of height 1.3m. What is the impact speed of the cat

Physics
1 answer:
Lorico [155]3 years ago
6 0

Answer: 12.753

Explanation: Multiply 1.3 and 9.81 (the speed that everything drops at.)

Also, i feel bad for the cat

it might be wrong sorry

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Why does a 10 gram piece if copper take up more space than a 10 gram piece of gold
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Answer:

because the mass of the copper is higher than the mass of the gold.

Explanation:

7 0
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when the heat is added to the material, which factors are important in order to determine how much the material will rise in tem
posledela

The heat Q transferred to cause a temperature change depends on the magnitude of the temperature change, the mass of the system, and the substance and phase involved.

Explanation:

https://courses.lumenlearning.com/physics/chapter/14-2-temperature-change-and-heat-capacity/

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3 years ago
An Olympic discus thrower (~100 kg) launches the 2.0 kg discus by spinning rapidly (~4 times per second) with arm outstretched (
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Answer:

F = 1263.03 N

Explanation:s

given,                      

mass of the disk thrower = 100 Kg

mass of the disk = 2 Kg                

angular speed of the disk  = 4 rev/s

arm outstretched = 1 m                  

centripetal force of the disk in the circular path

F = m ω² r                        

ω = 4 x 2 x π        

ω = 25.13 rad/s

F = m ω² r                      

F = 2 x 25.13² x 1

F = 1263.03 N                                              

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6 0
2 years ago
Assume a reaction takes 7.5 moles of anhydrous calcium chloride and energy transfer occurs, which we record as 21.2 joules of en
OLga [1]

Answer: 2.83 J/mol

Explanation:

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Given

No of moles of CaCl = 7.5 mol

Total energy used = 21.2 J

Heat of solution = q/n where

q = total energy

n = number of moles

Heat of solution = 21.2 / 7.5

Heat of solution = 2.83 J/mol

8 0
3 years ago
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By adding a vibration at the natural frequency of the medium-A
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