Home
Class 11
PHYSICS
A particle moving in a straight line cov...

A particle moving in a straight line covers half the distance with speed of 3 m/s. The other half of the distance is covered in two equal time intervals with speed of 4.5 m/s and 7.5m/s respectively. The average speed of the particle during this motion is :-

Text Solution

Verified by Experts


Average speed from B to C
`" "(v_("Avg"))_(B to C) = ( 4.5 xx t + 7.5 xx t)/(2t)`
`" "(v_("Avg"))_(B to C) = 6m//s`
Average speed from A to C
`" "(v_("Avg"))_(A to C) = ((S)/(2) + (S)/(2))/((S)/(2 xx3)+ (S)/(2 xx 6))`
`" "(v_("Avg"))_(A to C) = 4 m//s`
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS (MOTION ALONG A STRAIGHT LINE AND MOTION IN A PLANE)

    ALLEN |Exercise BEGINNER S BOX-3|2 Videos

  • KINEMATICS (MOTION ALONG A STRAIGHT LINE AND MOTION IN A PLANE)

    ALLEN |Exercise BEGINNER S BOX-4|6 Videos

  • KINEMATICS (MOTION ALONG A STRAIGHT LINE AND MOTION IN A PLANE)

    ALLEN |Exercise BEGINNER S BOX-1|6 Videos

  • KINEMATICS

    ALLEN |Exercise EXERCISE-2|89 Videos

  • MISCELLANEOUS

    ALLEN |Exercise Question|1 Videos

Similar Questions

Explore conceptually related problems

A particle moving in a straight line covers half the distance with speed of 3 m//s . The half of the distance is covered in two equal intervals with speed of 4.5 m//s and 7.5 m//s respectively. The average speed of the particle during this motion is :

A train covers the first half of the distance between two stations at a speed of 40 km//h and the other half at 60km/h. Thenits average speed :-

A car moving over a straight path, covers a distance d with constant speed of 40 km/hr and then the same distance with speed 60km/hr. The average speed of car is .....

An object travels 2km at a speed of 20 m/s and another 5km at 30 m/s. The average speed over the whole distance is:-

An object travels 10km at a speed of 100 m/s and another 10km at 50 m/s. The average speed over the whole distance is:-

A particle covers half of its total distance with speed v_1 and the rest half distance with speed v_2 . Its average speed during the complete journey is.

A person walking in a straight line, covers half of the distance to be travelled with a speed of v_(0). For half of the time, required to complete the remaining distance, he walks with a speed of v_(1) and for the remaining half time his speed is v_(2) What is the person's average speed during this complete walk ?

A man travels half time of its journey with speed of 5m/s and for remaining half time he moves half of its total distance travelled, with speed of 3 m/s and remaining half distance with speed of 6 m/s. Find out the average speed of the man?

If a particle travels the first half distance with speed v_(1) and second half distance with speed v_(2) . Find its average speed during journey.

A particle moves in east direction with 15m/sec for 2 sec then moves in northward with 5 m/s for 8 sec. A average speed of the particle is :-