The theory is revised or updated. It may strengthen; however, cannot become a law. The "catch" with theories is that they may be disproven at any point in time by experimental results that contradict them. Therefore, they cannot become a law by just one additional supporting experiment.
I think b but I’m not completely sure
Answer:
0.528m
Explanation:
a)58.7 cm = 0.587 m
Let g = 9.8m/s2. When the frog jumps from ground to the highest point its kinetic energy is converted to potential energy:


where m is the frog mass and h is the vertical distance traveled, v is the frog velocity at take-off


b) Vertical and horizontal components of the velocity are


The time it takes for the vertical speed to reach 0 (highest point) under gravitational acceleration g = -9.8m/s2 is

This is also the time it takes to travel horizontally, we can multiply this with the horizontal speed to get the horizontal distance it travels

Luminosity is the total amount of power a star radiate I think :)
Answer:
0.79
Explanation:
Using Snell's law, we have that:
n(1) * sin θ1 = n(2) * sinθ2
Where n(1) = refractive index of air = 1.0003
θ1 = angle of incidence
n(2) = refractive index of second substance
θ2 = angle of refraction
The angle of reflection through the unknown substance is the same as the angle of incidence of air. This means that θ1 = 32°
=> 1.0003 * sin32 = n(2) * sin42
n(2) = (1.0003 * sin32) / sin42
n(2) = 0.79