A man drives his car uniformly at 30 km/...

A man drives his car uniformly at 30 km/h for three hour After it he covered next 90 km distance with uniform speed of 45 km/hr. Find the average speed of car.

Text Solution

Verified by Experts

The correct Answer is:

36 km/h

Topper's Solved these Questions

RACE
ALLEN |Exercise Basic Maths (NEWTONS LAWS OF MOTION)|49 Videos
RACE
ALLEN |Exercise Basic Maths (FRICTION)|13 Videos
RACE
ALLEN |Exercise Basic Maths (Units, Dimensions & Measurements)|37 Videos
NEWTONS LAWS OF MOTION
ALLEN |Exercise EXERCISE-III|28 Videos
SIMPLE HARMONIC MOTION
ALLEN |Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

A man travels 200 km distance with the speed of 40 m/s and next 50 km with the speed of 10 m/s . Find the average speed of man.

A car starts from rest and moves with uniform acceleration for time t then it moves with uniform speed of 60 km/h for time 3t and comes to rest. Find the average speed of car in its total journey.

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 .....

If a car at rest, accelerates uniformly to a speed of 144 km//h in 20s , it covers a distance of

A car travels at a speed of 80 km/h during the first half of its running time and at 40 km/h during the other half. Find the average speed of the car. (60 km/h) ( AS_(7))

A man moves up on a 3 km long incline road with speed of 2m/s , then on a 3 km level road with speed of 3 m/s and moves down on a 3 km long incline road with 6 m/s. Find the average speed of man.

One car moving on a staright road covers one-third of the distance with 20 (km)/(hr) and the rest with 60 (km)/(hr) . The average speed is

A man walks on a straight road form his home to a market 2.5 km away with speed of 5 (km)/(hr) . Finding the market closed, he instantly turns and walks back home with a speed of 7.5 (km)/(hr) . The average speed of the man over the intervel of time 0 to 40 min is equal to

ALLEN -RACE-Basic Maths (KINEMATICS)

A man travels 200 km distance with the speed of 40 m/s and next 50 km ...
Text Solution
|
A man moves up on a 3 km long incline road with speed of 2m/s , then o...
Text Solution
|
A man drives his car uniformly at 30 km/h for three hour After it he c...
Text Solution
|
Distance between Kota and Jaipur is 240 km. Two persons A and B both s...
Text Solution
|
A particle is moving with constant speed v on a circular path of 'r' ...
Text Solution
|
An ant is scramping on the stairs as shown in the figure. There are 10...
Text Solution
|
A drunked person is 10 step away from a manhole. Suddenly he begins to...
Text Solution
|
A man travels two-third part of his total distance with speed v(1) and...
Text Solution
|
A man travels half time of its journey with speed of 5m/s and for rema...
Text Solution
|
If body having initial velocity zero is moving with uniform accelerati...
Text Solution
|
If body having initial velocity zero is moving with uniform accelerati...
Text Solution
|
A body is moving with variable acceleartion (a) along a straight line....
Text Solution
|
A particla starting from rest undergoes acceleration given by a=|t-2|"...
Text Solution
|
A particle moves in a straight line and its position x at time t is g...
Text Solution
|
A car is moving with a velocity of 10 m/s. Suddenly driver sees a chil...
Text Solution
|
A body moving with uniform acceleration covers a distance of 14 m in f...
Text Solution
|
A particle starts from rest with uniform acceleration a. Its velocity...
Text Solution
|
A car starts from rest and moves with uniform acceleration for time t ...
Text Solution
|
A particle starts from rest accelerates at 2 m//s^2 for 10 s and then ...
Text Solution
|
A body is projected vertically upward with speed 40m/s. The distance t...
Text Solution
|