Sample Mathematical Problem for Learning Task no. 4. Show
your solution using G-R-E-S-A method.
1. A 100 kg car has a velocity of 17 m/s. What is the car's kinetic
energy?
G-m= 1000 kg v= 17 m/s
R- Kinetic Energy =?
E-KE=Wamy?
S-KE = (1000 kg) (17 m/s) 2
KE = (500 kg) (289 m/s?)
A-KE = 144, 500 J
2. A 1.0 kg book is lifted to 0.5 m above the table, what would be
the potential energy of the book?
G-m= 1.0 kg h= 0.5 m
R- Potential Energy =?
E-PE = mgh
S-PE = 1 kg x 9.8 m/s2 x 0,5 m
A-PE = 4.9 J

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