Consider the following statements in respect of the two distance travelled vs. time graphs for one-dimensional motion of objects: [Graph 1: straight line from origin, reaching 40 m at 10 s. Graph 2:…

Question

Consider the following statements in respect of the two distance travelled vs. time graphs for one-dimensional motion of objects: [Graph 1: straight line from origin, reaching 40 m at 10 s. Graph 2: upward-curving line from origin, reaching about 98 m at 10 s.] (i) Graph 1 describes a uniform motion. (ii) Graph 2 describes a uniform circular motion. (iii) Graph 1 describes a motion with a constant speed of 4 m/s. (iv) Graph 2 describes a motion with a variable speed. Select the correct statement (statements) using the codes given below.

PYQPulse · Accepted Answer

(i), (iii) and (iv)

PYQPulse · Answer

Explanation: Graph 1's straight line means uniform motion at 40/10 = 4 m/s; Graph 2's curve means variable speed (not uniform circular motion, which is two-dimensional); official key gives (D).

Answer: D. (i), (iii) and (iv)

Explanation

Answer: D. (i), (iii) and (iv)

Explanation