Home
Class 12
PHYSICS
A particle travels distances xp. X2 and ...

A particle travels distances xp. X2 and each equal to x with different speeds `nu_1`, `nu_2` and `nu_3` respectively then average speed of the particle is equal to

A

arithmatic mean of the individual speeds

B

highest of the given speeds of the particle

C

lowest of the given speeds of the particle

D

harmonic mean of individual speeds.

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

A body of mass m moving along a straight line covers half the distance with a speed of 2ms^(-1) . The remaining half of the distance is covered in two equal time intervals with a speed of 3ms^(-1) and 5ms^(-1) respectively. The average speed of the particle for the entire journey is

A particle moving in straight line cover half the distance with speed 3 ms^-1 . The other half is covered in two equal time intervals with speed 4.5 ms^-1 and 7.5 ms^-1 respectively. The average speed of the particle during motion is

Read each statement below carefully and state with reasons , if it is true of false : (a) The magnitude of a vector is always a scalar , (b) each component of a vector is always a scalar , (c ) the total path length is always equal to the magnitude of the displacement vector of a particle . (d) the average speed of a either greater or equal to the magnitude of average velocity of the particle over the same interval of time , (e ) Three vectors not lying in a plane can never add up to give a null vector .

The equation (x)^(2)=[x]^(2)+2x where [x] and (x) are the integers just less than or equal to x and just greater than or equal to x respectively, then number of values of x satisfying the given equation

A car covers (1)/(3) part of total distance with a speed of 20 km h^(-1) and second 1 /3 and the last part with a speed of 60 km h^(1) The average speed of the car is:

The speed time graph of a particle moving along a fixed direction is as shown in the figure. Obtain the distance travelled by the particle from, (a) t = 0 to 10s (b) t= 2s to 6s (c) What is the average speed of the particle over the intervals in (a) and (b)?

int_(-1)^(2) x|x| dx is equal to :

If the maximum and minimum values of y=(x^2-3x+c)/(x^2+3x+c) are 7 and 1/7 respectively then the value of c is equal to