A body travels with a uniform velocity of 15 m s−1 for 4 s and then accelerates at 2 m s−2 for a further 3 s. Find the total distance travelled.
Motion in One Dimension
Original Khojo Papers practice question — not from a past board paper.
100 m
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Using s = ut + ½at2 with u = 0, a = 2 m s−2 and t = 10 s gives s = 0 + ½ × 2 × 100 = 100 m.
From the same topic and chapter, at a similar level.
A body travels with a uniform velocity of 15 m s−1 for 4 s and then accelerates at 2 m s−2 for a further 3 s. Find the total distance travelled.
Motion in One Dimension
A train starting from rest attains a speed of 72 km h−1 in 1 minute. Find its acceleration and the distance covered.
Motion in One Dimension
A body starts from rest and moves with a uniform acceleration of 2 m s−2 for 5 s. Find its final velocity and the distance travelled.
Motion in One Dimension
A car moving at 20 m s−1 is brought to rest in 5 s. Find its retardation and the distance it travels in that time.
Motion in One Dimension
What does the slope of a distance-time graph represent, and what does the area under a velocity-time graph represent?
Motion in One Dimension
A stone is dropped from a height of 45 m. Find the time it takes to reach the ground and its speed on landing. Take g = 10 m s−2.
Motion in One Dimension