Orbital mechanics — Question 7
Original QCE Vault practice · 1 mark
Q7 · Practice questionSimple familiar1 mark
QUESTION 7
Two masses of 5.0×1024kg and 800kg are separated by 7.0×106m between their centres. What is the gravitational force between them? (A)5.44×102N (B)5.44×103N (C)5.44×104N (D)7.62×104N WORKED SOLUTION
Answer B
1 markWorked solution
F=GMm/r2=(6.67×10−11)(5.0×1024)(800)/(7.0×106)2=5.44×103N. Select the correct option.
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