Answer:
90J
Explanation:
The only time work is being done is when he lifts the box off the ground. Therefore, using the work formula, 2 x 45, you get 90J. Hope this helps someone.
Hello There!
Kilo means thousand.
For example:
Kilometer means a thousand meters.
Hope This Helps You!
Good Luck :)
Answer:
The time take is 
Explanation:
From the question we are told that
The decay constant is 
The percentage fall is 
The equation for radioactive decay is mathematically represented as
Where is 
is the new amount of the new the isotope while 
is the original
At initial 
% = 1
At 
% = 0.80
=> 
=>
Answer: An exercise, activity, or workout that targets a specific training need Progression - Gradually increasing your skill level and ability over time Overload -Working your body harder than usual to improve how it functions Reversibility - Losing what you have gained by taking time off Tedium - getting bored by doing the same thing
Explanation:
Answer:
A: ≤ means less than OR equal to. < only means less than
B: 9
Explanation:
A: Because it would equal 19, and 19 is EQUAL than 19. 4(5) - 1 would equal 19, which is equal to 19, and not less than. ≤ means less than or equal to. < means less than. So its not true.
B: 47 - 2, 45. Then 5 x 9 equals 45. So 5 x 9 equals 45, then add 2 would equal 47.
Hope this helps <3
