Both of the following statements have been written 3 different ways. Assume that the associated numbers...
Both of the following statements have been written 3 different ways. Assume that the associated numbers are correct.
(a) Which sentence is
incorrect ?
A. Ashton, my toddler, weighs 15 kg.
B. Ashton, my toddler, has a mass of 15 kg.
C. Ashton, my toddler, weighs 150 N.
(b) Which sentence is
incorrect ?
A. Chris Hadfield weighs 150 N on Earth, but only
50 N on the International Space Station.
B. Chris Hadfield's mass is 75 kg on Earth, but
only 5 kg on the International Space Station.
C. Chris Hadfield's mass is 75 kg on Earth, but
his apparent mass is only 5 kg on the International Space
Station.
Homework Answers
Ans
a) A. Ashton, my toddler, weighs 15 kg. is incorrect. The units of weight is Newtons
-----------------------
b) B. Chris Hadfield's mass is 75 kg on Earth, but only 5 kg on the International Space Station is incorrect.
The mass of a object stays the same. So his mass should be 75 kg at both places.
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