Question 4 HELP ASAP PLEAS! With what initial speed must a gazelle jump to reach 2.5 meters in height?
a
7 m/s
b
25 m/s
с
49 m/s
d
5 m/s
Question 5
1. What is the potential energy of a 20 kg object, it is 10 m high from the

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.