Advertisements
Advertisements
प्रश्न
Express the following in m s-1.
18 km min-1
Advertisements
उत्तर
18 km min-1
1 km = 1000 m
1 min = 60 s
∴ 18 km min-1 = `18 xx 1000/60` = 300 ms-1
APPEARS IN
संबंधित प्रश्न
What does the odometer of an automobile measure?
Arrange the following speed in increasing order (keeping the least speed first):
A bicycle moving with a speed of 200 m/min.
A snail covers a distance of 100 metres in 50 hours. Calculate the average speed of snail in km/h.
A motorcyclist drives from place A to B with a uniform speed of 30 km h-1 and returns from place B to A with a uniform speed of 20 km h-1. Find his average speed.
Write the formula to calculate the speed of a body moving along a circular path. Give the meaning of each symbol which occurs in it.
Express 15 m s-1 in km h-1.
Figure shows the displacement of a body at different times .
Calculate the velocity of the body as it moves for time interval :
(i) 0 to 5 s,
(ii) 5 s to 7 s
(iii) 7 s to 9 s.
What is the relation between distance and time when the body is moving with uniform velocity?
A body projected vertically up with a velocity of 10 m/s reaches a height of 20 m. If it is projected with a velocity of 20 m/s, then the maximum height reached by the body is:
Derive th e equation of motion.
S = ut+ `1/2` at2,
Where the symbols have their usual meanings
