<span>The correct answer is B. - It would take a ray of light 10.5 light years to travel from Earth to Epsilon Eridani, or vice-versa. Using our current technology it would take far longer than 21.0 years for a space ship from Earth to travel that far - I would have to guess many hundreds of years.</span>
D. The number of valence electrons increases.
Answer:
By throwing wrenches and screwdrivers away the side of spaceship he might be able to get back.
Explanation:
<em>Theory</em>
<u>The law of conservation of linear momentum</u>
The sum of linear momentum of a closed system under no external unbalance force remains the same.
Here consider the astronaut and the wrenches and screwdrivers as a system.
System in the empty space so no external unbalance force exerted on the astronaut. As the linear momentum is conserved when he throw wrenches and screwdrivers away form the space ship he will gain an equal momentum in the opposite direction. So he gains a certain velocity which he can use to drift towards the spaceship.
Answer:
Explanation:
It is pertinent to note that modifier 26 is appropriate when the physician supervised or interprets a diagnostic test, even if he or she did not perform the test personally. Also do not append modifier 26 if there is a code to describe only the professional/physician component of a given service (examples are 93010 Electrocardiogram, routine ECG with at least 12 leads, interpretation and report only).
<span>When a collision occurs, the change in momentum, is the difference in the momentums of the two objects after the collision minus the momentum of the object before the collision.
From the aforementioned , we have change in momentum to be final momentum after collision - momentum before collision. But then the impulse of the fird bullet is just the change in momentum. Impulse = Ft where F = Ma. Where F= force and a is the acceleration. F = 1000* a; since a = V/t; i. e change in velocity by time. So we have 5000/5 =1000ms^2. Hence F = 1000 * 1000 = 1000000N. Then our Impulse , Ft = 1000000 * 5 = 5000000N.
Momentum just before collision = 1000 * 500 = 500000.
After collision we have final momentum = m * 20 where m is the mass after collsion.
So we have 20M - 500000 = 5000000. 20M = 5000000-500000 = 4500000. M = 225000Kg.</span>