8
Exercise
7D
BASIC LEVEL
1. A particle travels 24.6 km in 30 minutes. Find the
speed of the particle in
0 km/h,
ii) m/s.
Answers
Answered by
0
Answer:
The speed is 49.2 km/hr.
Step-by-step explanation:
The speed is 49.2 km/hr.
Step-by-step explanation:
Given : A particle travels 24.6 km in 30 minutes.
To find : The speed of particle in km/h ?
Solution :
The distance is d=24.6 km
The time is t=30 minutes
Convert into hours,
1\ min=\frac{1}{60}\ hr1 min=
60
1
hr
30\ min=\frac{30}{60}\ hr30 min=
60
30
hr
30\ min=0.5\ hr30 min=0.5 hr
The speed formula is given by,
\text{Speed}=\frac{\text{Distance}}{\text{Time}}Speed=
Time
Distance
\text{Speed}=\frac{24.6}{0.5}Speed=
0.5
24.6
\text{Speed}=49.2\ km/hrSpeed=49.2 km/hr
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