Answer: positive
Explanation: because opposites attract and north=positive and south=negative the answer should be positive.
Answer: Potential energy is energy stored in an object due to its position or arrangement. Kinetic energy is the energy of an object due to its movement its motion. Potential energy can be converted into kinetic energy, and kinetic energy can be converted into potential energy.
Answer:
it is applicable on all bodies having mass and the bodies Will be governed by the same law
Answer:
95.16 m
Explanation:
L = Range of radar = 7.8 km
= Wavelength = 2 cm
d = Diameter of antenna = 2 m
D = Distance
We have the relation

The smallest distance in meters that two speedboats can be from each other and still be resolved as two separate objects by the radar system is 95.16 m