Question 14 of 20 A dog running with an initial speed of 7.5 m/s comes to a stop in 5 seconds. What is the dog's displacement?
Eq: d = 1/2 (Vi+Vf) *t
(1 point)
UA. Om
LIB. 7.5 m
NC. 37.5 m
LED. 18.8 m
Question 15 of 20
An shiort with an initial speed of 4.0 m/s accelerates uniformly at 2.0 m/s2 in the direction of its motion for a distance of 5.0 me

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.