Per NCERT, if a ball is dropped from rest and falls for 2 s (g = 10 m/s²), how far has it fallen?
A10 m
B40 m
C5 m
D20 m (using y = ½gt² with t = 2)
Answer & Solution
Correct answer: D. 20 m (using y = ½gt² with t = 2)
Per NCERT, y = ½ × 10 × 4 = 20 m.
Related questions
Per NCERT, a ball thrown vertically upward with initial velocity v₀ reaches maximum heightPer NCERT Example 2.7, if the ruler dropped d = 21 cm before being caught, what is the reaPer NCERT Example 2.7, REACTION TIME of a person can be measured by which simple experimenPer NCERT, if a ball is dropped from REST and falls for 2 s (g = 10 m/s²), what is its velPer NCERT, if a ball is dropped from REST and falls for 1 s, how far has it fallen (takingPer NCERT, Galileo Galilei (1564–1642) was the FIRST to make quantitative studies of free Per NCERT Example 2.5, GALILEO'S LAW OF ODD NUMBERS states that distances traversed duringPer NCERT, taking UPWARD as positive y-axis, what is the sign of acceleration during FREE