Work, energy and power
WORK, ENERGY AND POWER · IMAT Doutor1 / 1
An object is dropped from a height of 20 m. What is its speed on reaching the ground? (g = 10 m/s²)
A
14 m/s
B
10 m/s
C
40 m/s
D
400 m/s
E
20 m/s
Keyboard: A–E to choose, Shift + letter to cross out, Enter to confirm.