A barrel rolling down an inclined ramp has only kinetic energy
a. True
b. False
Indicate whether the statement is true or false
False
Physics & Space Science
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The first living organisms interacted with the atmosphere
A) sexually B) symbiotically C) aerobically D) anaerobically
Physics & Space Science
Instructions: On occasion, the notation 
= [A, ?] will be a shorthand notation for 
.
Anthony has added the vectors listed below and gotten the result 
. What errors has he made?
?
?
?
A.
He lost the minus sign in vector 
.
.B.
He read the 
in 
as 
.
in as .C.
He lost the minus sign in vector 
.
.D.
All of the above are correct.
E.
Only (a) and (b) above are correct.
Physics & Space Science
How much heat energy is needed to change 10 kg of water at 50°C to steam at 120°C?
A) 4.2 × 105 J B) 2.3 × 107 J C) 4.2 × 106 J D) 3.6 × 106 J E) 2.5 × 107 J
Physics & Space Science
Gravity is mutual and universal
a. True b. False Indicate whether the statement is true or false
Physics & Space Science