Numerical Problems A bus covers a distance of 600 metres in 30 seconds. Calculate the speed ofthe bus.

20m/s

Explanation:

speed = distance travelled / time taken

= 600/30

= 20 m/s

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.