Answer:
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6 m/s
This type of collision is a <u>Inelastic collision </u>
Explanation:
We begin by finding the momentum of the initial train car;
Remember that momentum is given by the formulae mass (kg) * velocity (m/s)
Therefore;
Momentum = 6000 * 10
= 60,000 kg⋅m/s
The other car has zero momentum because;
4000 * 0
= 0
When the two train cars collide, the total momentum will be;
60,000 + 0 = 60,000
Therefore to find the velocity, well use the same formulae;
p = mv whereby;
p – momentum
m – mass
v – velocity
60,000 = (6000 + 4000) * v
v = 60,000 / 10,000
v = 6
= 6 m/s
This is an elastic collision because we are assuming that no energy is lost in the collision. Most collisions, however, are not elastic but rather inelastic. In inelastic collision some of the kinetic energy is lost to the environment in some other form of energy such as heat energy.
Learn More:
For more on elastic collisions check out;
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Answer:
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I think the nurse should asses the blood pressure, skin color, and moisture. Sinus bradycardia may be defined as a sinus rhythm with resting heart rate of 60 beats per minute or less. However few patients become symptomatic until their heart rate drops to less than 50 beats per minute. Intervention for sinuses bradycardia should be based on assessment of the clients condition. The patient may remain asymptomatic, the nurse may choose to increase the IV flow rate, administer atropine, or notify the Rapid Response Team depending on the severity of the symptoms.
