Answer:
Because the bullet is smaller and has a sharp/pointy tip.
Explanation:
The bullet kinda puts the majority of kinetic energy in a small are, whereas the gun butt kinda spreads the energy evenly amongst a larger surface. If more explanation is needed add comment.
<h2>
Answer: A system in which Newton's Laws are fulfilled</h2>
An inertial reference system is a reference system in which the principle of inertia is fulfilled, which is one of Newton's laws:
<em>"For a body to have acceleration, an external force must act on it"
</em>
In addition, the other Newton's laws of movement are fulfilled.
Therefore, the variation of the linear momentum of the system is equal to the actual forces on the system.
Answer: 
Explanation:-

As we know that,

where,
= mass of iron horseshoe = 0.35 kg = 350 g (1kg=1000g[/tex]
= mass of water = 21.9 kg = 21900 g
= final temperature = ?
= temperature of iron horseshoe = 
= temperature of water = 
= specific heat of iron horseshoe = 
= specific heat of water = 
Now put all the given values in equation (1), we get
![m_1\times c_1\times (T_{final}-T_1)=-[m_2\times c_2\times (T_{final}-T_2)]](https://tex.z-dn.net/?f=m_1%5Ctimes%20c_1%5Ctimes%20%28T_%7Bfinal%7D-T_1%29%3D-%5Bm_2%5Ctimes%20c_2%5Ctimes%20%28T_%7Bfinal%7D-T_2%29%5D)
![350\times 0.450\times (T_{final}-600)^0C=-[21900g\times 4.184\times (T_{final}-21.8)]](https://tex.z-dn.net/?f=350%5Ctimes%200.450%5Ctimes%20%28T_%7Bfinal%7D-600%29%5E0C%3D-%5B21900g%5Ctimes%204.184%5Ctimes%20%28T_%7Bfinal%7D-21.8%29%5D)

Therefore, the final equilibrium temperature is
.
Answer:
The engine generates a force of 11000 Newtons.
Explanation:
To determine the force, first you will need to calculate the acceleration. Acceleration is change in velocity over change in time, so in this case:

Force is then determined as

This is the forward force, i.a. one acting in the direction of the car's acceleration. we are told that there is no inefficiency in the engine and transmission, therefore this same force is generated by the engine.