Answer:
Explanation:
The electron has a negative charge. Proton is positive and neutron is neutral.
Answer:
Oxygen or more precisely, the O-15 isotope.
Answer:
b.. a difficulty of changing an object's motion, that's my ✨ g u e s s ✨
Answer:
(a) The speed is 7.96 m/s
(b) The direction is 76 degree from positive X axis in counter clockwise direction.
Explanation:
Width of river = 280 m
speed of river, vR = 4.7 m/s towards east
speed of boat with respect to water, v(B,R) = 7.1 m/s at 26 degree west of north

(a) The velocity of boat with respect to ground is

(b) The direction is given by
