Advertisements
Advertisements
Question
Salma takes 15 minutes from her house to reach her school on a bicycle. If the bicycle has a speed of 2 m/s, calculate the distance between her house and the school.
Advertisements
Solution
Time taken by Salma to reach her school from her home = 15 min
= 15 × 60
= 900s
Speed of her bicycle = 2 m/s
Speed = `"Distance covered"/"Time taken"`
Distance covered = Speed × Time taken
= 2 × 900
= 1800 m
= 1000 m = 1 km
∴ 1800 m = `1/1000 xx 1800 `
= 1.8 km
APPEARS IN
RELATED QUESTIONS
The odometer of a car reads 57321.0 km when the clock shows the time 08:30 AM. What is the distance moved by the car, if at 08:50 AM, the odometer reading has changed to 57336.0 km? Calculate the speed of the car in km/min during this time. Express the speed in km/h also.
What do you understand by the average speed of a body?
For a body moving along a circular path, show that:
Linear speed = Angular velocity X radius of the circle
A train travels the first 30km of its journey at 30km/h. Find the speed it should travel the next 90km to have an average speed of 60km/h.
The correct relation among the following is
A vehicle covers a distance of 400km in 5 hours. Calculate its speed.
Compare speed and velocity
Every object moves with a constant speed.
A car increases its speed from 20 km/h to 50km/h in 10 seconds. Its acceleration is ______.
A bus travels 54 km in 90 minutes. The speed of the bus is ______.
