Find the uncertainty in position (in nm) associated with an electron that is moving with a velocity of 572 km/s. the uncertainty in the velocity is 5.00%. the electron rest mass is 9.11 x 10-31 kg.

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

+15-35=-20

going in opposite directions