Two projectiles are fired at equal speeds but different angles. One is fired at angle of 30 degrees and the other at 60 degrees.
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Answer: LET'S TAKE GRAVITY ON EARTH AS 10 N/KG AND ON MOON AS 0.6 N/KG
a) weight=15kgx10N/kg
= 150N
b) weight=15x0.6=9N
c) mass=is the same so 15kg
d) mass is measured in kg, weight in NEWTONS OR
e) when the gravitational force is zero
Explanation: