I agree with the answer above, but since velocity is a vector, I think displacement would be a better answer :)
D. Venus, it temp remains constant.
It's downward vector from the centre of apple in the direction to the centre of the Earth.
Answer:
With all of that information, he's telling us the train's VELOCITY.
Explanation:
Velocity is a vector quantity made of two parts: speed and direction.
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