D.) White Dwarf
It is the smallest star whose mass is approximately equal or greater than 1.4M
Here, M = mass of the Sun.
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Answer:
compound
Explanation:
a substance made from two or more different elements that have been chemically joined. Examples of compounds include water (H2O), which is made from the elements hydrogen and oxygen, and table salt (NaCl), which is made from the elements sodium and chloride.
Answer:
The value is 
Explanation:
From the question we are told that
The mass of the ball is
The initial speed of the ball is 
The spring constant is 
The compression distance is 
Generally the energy stored in the string is mathematically represented as

=>
=>
Generally the kinetic energy of the ball is mathematically represented as

=>
Generally the KE the ball have when it has compressed the spring is mathematically represented as

=> 
=> 
2s
Explanation:
Given parameters:
Current = 0.835A
Quantity of charge = 1.67C
Unknown:
Time taken = ?
Solution:
The quantity of electricity Q in coulombs is the product of the current I and time t.
Q = I x t
Q is the quantity of electricity in coulombs
I is the current
t is the time taken
input the values and solve for t;
1.67 = 0.835 x t
t =
= 2s
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Answer:
(B)
Explanation:
Time = change of velocity ÷ acceleration
= (6-0) ÷ 5
= 1.2