ROMA GIRLS SECONDARY SCHOOL
PHYSICS (PURE) HOLIDAY ASSINGMENT
GRADE 10 B
1.
A girl w...
ROMA GIRLS SECONDARY SCHOOL
PHYSICS (PURE) HOLIDAY ASSINGMENT
GRADE 10 B
1.
A girl whose mass is 50 kg carries a box of mass 20 Kg up a flight of steps. There were
20 steps each 20cm high. She takes 16 seconds to climb up the steps.(take g=1010mis?
a)
What is her weight?
b) What is the weight of the box?
c) What is the total gravitational energy of the girl and the box?
d) Calculate the total power.
Answers: 3
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