There are loads of similarities, but there are differences and that's what you want!
Speed- Is usually referring to how fast an object moves, it is calculated by space per unit.
Velocity- Refers to the rate at which said object changes position in a certain direction. Usually calculated by the displacement of space per unit.
SO it sounds the same, but simple answer Velocity deals with direction, and speed does not!
Answer:
(a) The Work need to place spacecraft into low orbit is
(b) Additional Work need to place the spacecraft far away from the earth is
.
(c) From part(a) and part(b) we observe the Both quantities are equal.
Explanation:
Explanation is in the following attachments
Im not sure what your question is but I will just elaborate. Interstellar dust absorbs more red light than blue light, making stars appear bluer than their true color.
Answer:
For SI units the mass m = 5 kg.
Explanation:
The sum of all horizontal forces is must be equal to maₓ:
∑Fₓ = maₓ = 24N - 14N = 10N
maₓ = 10N
m = 10N / aₓ = 10N / 2 m/s² = 5 m/s
