Speed is a………..quantity.
a) vector
b) derived
c) scalar
d) both b & c
The SI unit of speed is………..
a) m/s2
b) m/s
c) ms-1
d) both b & c
∆ (delta) is a………..letter.
a) Latin
b) Greek
c) Persian
d) English
∆ is used to show a/an………..in a quantity.
a) change
b) increase
b) decrease
d) none
The total distance divided by the total time represents………..speed.
a) uniform
b) instantaneous
c) average
d) total
Total distance to Islamabad is 155 km via M1 motorway, we take total time of 3.5 hr (3 hours and 30 minutes), our average speed is………..
a) 44.3 km/hr
b) 12.3 m/s
c) 44.3 m/s
d) both a & b
