EVERYDAY SCIENCE

SCIENCE

PHYSICAL SCIENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is a unit for speed?
A
meter / second
B
seconds / kilometer
C
hour / kilometer
D
miles / meter
Explanation: 

Detailed explanation-1: -We measure time in the units of second (s) or hours (h). Hence, the units for measuring the speed are m/s or km/h.

Detailed explanation-2: -Answer : The basic unit of speed is metre per second or metre/second. The SI unit of distance measurement is metre(m) and time is second(s). Speed is equivalent to distance divided by time. Hence, the SI unit of measurement of speed is metre/second.

Detailed explanation-3: -Hence, the SI Unit of speed is metre per second or m/s or m.s-1.

Detailed explanation-4: -kilometres per hour (symbol km/h); miles per hour (symbol mi/h or mph); knots (nautical miles per hour, symbol kn or kt); feet per second (symbol fps or ft/s);

Detailed explanation-5: -The meter per second (symbolized m/s or m/sec) is the Standard International ( SI ) unit of linear speed.

There is 1 question to complete.