Velocity Time Graph

Q. A straight line parallel to X-axis in a velocity time graph indicates zero ____.

1. acceleration
2. velocity
3. distance
4. time

Q. Velocity(v)-time(t) graph for two bodies A and B moving along x-axis is shown in diagram. What is the acceleration of B relative to A?

चित्र में x-अक्ष के अनुदिश गतिशील दो पिण्डों A तथा B के लिए वेग (v)–समय (t) आरेख दर्शाया गया है। A के सापेक्ष B का त्वरण क्या है?

1. $\frac{3}{4}\text{m}{\text{s}}^{-2}$
2. $\frac{7}{12}\text{m}{\text{s}}^{-2}$
3. $\frac{4}{3}\text{m}{\text{s}}^{-2}$
4. $\frac{5}{12}\text{m}{\text{s}}^{-2}$

Q.

A van is travelling at 52 km/h, when brakes are applied it comes to rest in 5 s. Another van is travelling at 3 km/h and when brakes are applied it comes to rest in 10 s. Plot the speed versus time graph and calculate the braking distance for both the vans? [3 MARKS]

Q. each second a rabbit moves half the remaining distance from his nose to the head of a lettuce . does he ever get the lettuce . what is the limiting value of his average velocity? draw a graph showing is velocity and position as time increases