English

Which is greater?(i) 36 km/hr(ii) 8.5 m/s - Physics

Advertisements
Advertisements

Question

Which is greater?
(i) 36 km/hr
(ii) 8.5 m/s

One Line Answer
Advertisements

Solution

36 km/ hr can be converted into m/ s to compare with 8.5m/ s.
36 km/ hr = {36 x 1000) / 3600 = 10 m/ s which is greater than
8.5 m/ s So 36 km/ hr is greater than 8.5 m/ s.

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Motion in One Dimension - Exercise 2 [Page 79]

APPEARS IN

Frank Physics [English] Class 9 ICSE
Chapter 2 Motion in One Dimension
Exercise 2 | Q 7 | Page 79

RELATED QUESTIONS

______ is the distance traversed by a body in a particular direction in unit time.


The average time taken by a normal person to react to an emergency is one fifteenth of a second and is called the 'reaction time'. If a bus is moving with a velocity of 60 km/h and its driver sees a child running across the road, how much distance would the bus had moved before he could press the brakes? The reaction time of the people increases when they are intoxicated. How much distance had the bus moved if the reaction time of the driver were 1/2 s under the influence of alcohol?


A girl had designed a clap switch for a science exhibition that enabled her to switch on or off an alarm just with clapping of hands. While testing her device in a hall, she noticed that once the alarm has sounded it followed with another one due to echo of the clap, that is, the sound reflected by the walls. She recorded the two soundings of alarm with her tape recorder and found out that time difference in between them is 0.1 s. If the distance of the walls be 15 m, calculate the speed of sound.


On a 120 km track, a train travels the first 40 km at a uniform speed of 30 km/h. How fast must the train travel the next 80 km, so as to average 60 km/h for the entire trip.


Every object moves with a constant speed.


The cheetah the fastest animal among terrestrial animals run with an average speed of ______.


Paheli and Boojho have to cover different distances to reach their school but they take the same time to reach the school. What can you say about their speed?


Which of the quantities have the same SI unit?


In a 100m race, the winner takes 10s to reach the finishing point. The average speed of the winner is ______.


Distinguish between speed and velocity.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×