could anyone post class 10 hindi balgobin bhaghat summary from golden guide here? I only need the summary
(10 points)
(will mark as brainliest)
Answers
Answer:
https://www.studyrankers.com/2015/05/study-material-and-summary-of-balgobin-bhagat.html?m=1
Explanation:
this is the link bring plz make me brainlist
Answer:
train is moving on a circular curve of radius 1500m at the rate of 66km per hour. Through what angle has it turned in 10 seconds?
share
Share
Answer
Correct option is
B
45
11
rad
Radius of circular curve, R=1500m
Speed of trains, S=66 km/hr
Sonverting speed of train into m/sec
Speed of train =66×
18
5
=
3
110
m/s
Time travelled, t=10 sec
Distance converted, d=s×t
=
3
110
×10=
3
1100
m
circumference of circular curve, C=2πR
=2×
7
22
×1500
=
7
66000
m
As d<c, revolutions completed =0
Angles turned , θ=
c
d
×2π radians
=
(66000/7)
(1100/3)
×2×
7
22
=
180
44
radians
=
45
11
radians
Angle turned =
45
11
radians