What does it mean when wave
1 answer:
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Answer:
72 km/h
Explanation:
Speed of car = 20m/s
So, here to find the speed in km/h we will change the metre to km and seconds to hours .
=>
= 72 km/hr
to change into km divide by 1000
(1 m = 1/1000km)
and,
to change into hours divide by 60*60= 3600
help kiya kya?
Answer:3.6
Explanation:
Given
Architect decide to double the width
length increases by 50 percent
height increases by 20 percent
Let L,B,H be length,height and width of rectangular room
L'=1.5L
B'=2B
H'=1.2H
therefore new volume V'=L'\times B'\times H'
V'=3.6LBH
new volume is 3.6 times the original
<h2>Answer:g=9.79
,A object of mass 
at the surface of earth experiences a force 
</h2>
Explanation:
Let be the mass of earth.
Let be the radius of earth.
Let be the universal gravitational constant.
Given,
Let be the acceleration due to gravity.
Then,
A object of mass at the surface of earth experiences a force