Advertisements
Advertisements
प्रश्न
Asher says all objects having uniform speed need not have uniform velocity. Give reason.
Advertisements
उत्तर
An object moving in uniform circular motion is moving around the perimeter of the circle with a constant speed. While the speed of object is constant, its velocity is changing, Ex: Merry-go-round, roller coaster, planets orbiting the sun.
APPEARS IN
संबंधित प्रश्न
The distance between two stations is 240 km. A train takes 4 hours to cover this distance. Calculate the speed of the train.
During circular motion, which physical quantity of the body:
Remains constant
For a body moving along a circular path, show that:
Linear speed = Angular velocity X radius of the circle
A car travels 30 km at a uniform speed of 60 km/h and the next 30 km at a uniform speed of 20 km/h. What is its average speed?
Length of scale : metre :: Speed of aeroplane : ______.
Speed is always positive or zero but never be ______.
Define speed Mention its formula and unit.
Which of the quantities have the same SI unit?
______ measures the instantaneous speed of the automobile.
Abus from Chennai travels to Trichy passes loo km, 160 km at 10.15 am, 11.15 am respectively. Find the average speed of the bus during 10.15 – 11.15 am.
