f an automobile revolves at the rate of 700 rpm. How fast does it move in kilometre per h
f an automobile revolves at the rate of 700 rpm. How fast does it move in kilometre per h
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1. The wheel of an automobile revolves at the rate of 700 rpm. How fast does it
move in kilometre per hour, if the radius of its wheel is 250 mm.
a. 6.09 kph c. 7.09 kph
b. 5.09 kph d. 8.09 kph
PROBLEM 4.2
2. A horizontal platform 8 m in diameter revolves so that a point on its rim moves
6.3776 m/s. Find its angular speed in rpm.
a. 20 rpm c. 24 rpm
b. 22 rpm d. 26 rpm
PROBLEM 4.3
3. A horizontal platform with a diameter of 8 m revolves about its center at 20
rpm. Find the tangential speed in m/s of a point at the edge of the platform.
a. 6.38 m/s c. 6.48 m/s
b. 6.28 m/s d. 6.18 m/
Transcribed Image Text:PROBLEM 4.1
1. The wheel of an automobile revolves at the rate of 700 rpm. How fast does it
move in kilometre per hour, if the radius of its wheel is 250 mm.
a. 6.09 kph
b. 5.09 kph
c. 7.09 kph
d. 8.09 kph
PROBLEM 4.2
2. A horizontal platform 8 m in diameter revolves so that a point on its rim moves
6.3776 m/s. Find its angular speed in rpm.
а. 20 грm
b. 22 гpm
с. 24 грm
d. 26 гpm
PROBLEM 4.3
3. A horizontal platform with a diameter of 8 m revolves about its center at 20
rpm. Find the tangential speed in m/s of a point at the edge of the platform.
6.38 m/s
b. 6.28 m/s
с. 6.48 m/s
d. 6.18 m/s
а.
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