Speed KE less. less less, the same the same, less the same, the same greater, the same Answer: Slower because larger mass Less KE because of lower speed which is ². mv…
The orbital speed equals (2(pi)r)/T The gravitation force equals GMm/r² If the orbital radius r were greater, T …would also be greater. Answer: Orbital speed is d/t d = circumference = 2(pi)r…
Answer: Requires no material medium and can travel through a vacuum (radio, light, x-ray, etc.)
Up then down (straight) Upside down parabola Pointed curve Weird thing Reflection of a weird thing Answer: Upside down parabola
10N 30N 90N 120N 160N Answer: 90N Fd – Fd = 0 120×3 – 90d = 0 d=90
Answer: Atoms of the medium are displaced from equilibrium
Answer: Crests of the wave. Shown in a circular diagram where each is one wavelength apart.
Answer: When you push down on the earth with a force greater than your weight, the earth will push back with the same magnitude force and thus propel you into the air.