A particle moves with initial velocity 15 m/s. It retards uniformly for 10 s to rest. Sketch a speed-time graph and find the retardation.

The problem refers to a speed-time graph, which is not provided. I will infer the characteristics of the graph based on the questions and the student's partial solution for part (a). Part (a): Retardation of the particle in the first 10 seconds. The student's work shows: a = (u − v)/(t); a = (0 − 15)/(10); a = 15/10; a = 1.5 m/s²; The formula for acceleration is a = (v − u)/(t). Retardation is negative acceleration, meaning speed

A particle moves with initial velocity 15 m/s. It retards uniformly for 10 s to rest. Sketch a speed-time graph and find the retardation.

The problem refers to a speed-time graph, which is not provided. I will infer the characteristics of the graph based on the questions and the student's partial solution for part (a). Part (a): Retardation of the particle in the first 10 seconds. The student's work shows: a = (u − v)/(t); a = (0 − 15)/(10); a = 15/10; a = 1.5 m/s²; The formula for acceleration is a = (v − u)/(t). Retardation is negative acceleration, meaning speed

Solved: A particle moves with initial velocity 15 m/s. It…

The problem refers to a speed-time graph, which is not provided. I will infer the characteristics of the graph based on the questions and the student's partial solution for part (a).

Part (a): Retardation of the particle in the first 10 seconds. The student's work shows: $a = \frac{u - v}{t}$ $a = \frac{0 - 15}{10}$ $a = \frac{15}{10}$ $a = 1.5 \text{ m/s}^2$ The formula for acceleration is $a = \frac{v - u}{t}$ . Retardation is negative acceleration, meaning speed

A particle moves with initial velocity 15 m/s. It retards uniformly for 10 s to rest. Sketch a speed-time graph and find the retardation.

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