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adamana
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hi, i need answer for this questions please ( see th attchment)
Understanding Inelastic Collisions: A Comprehensive Guide
- Thread starter adamana
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AI Thread Summary
Inelastic collisions are defined as interactions where kinetic energy is not conserved, although momentum is conserved. Students seeking help with related questions are encouraged to engage with the material and demonstrate their understanding through effort and problem-solving. The discussion emphasizes the importance of showing work rather than simply obtaining answers. Relevant resources for deeper understanding include HyperPhysics links that explain inelastic collisions and elastic collisions. Engaging with these resources will enhance comprehension of the topic.
Neglect gravity other than that of water; neglect friction.
F1=ρgsh=1000*10*1*(1+4)=50000 N;
F1=ρgsh=1000*10*0.1*4=4000 N;
F3=50000-4000=46000 N?
Starting with the mass considerations #m(t)# is mass of water #M_{c}# mass of container and #M(t)# mass of total system
$$M(t) = M_{C} + m(t)$$
$$\Rightarrow \frac{dM(t)}{dt} = \frac{dm(t)}{dt}$$
$$P_i = Mv + u \, dm$$
$$P_f = (M + dm)(v + dv)$$
$$\Delta P = M \, dv + (v - u) \, dm$$
$$F = \frac{dP}{dt} = M \frac{dv}{dt} + (v - u) \frac{dm}{dt}$$
$$F = u \frac{dm}{dt} = \rho A u^2$$
from conservation of momentum , the cannon recoils with the same force which it applies.
$$\quad \frac{dm}{dt}...
I was told forces are vectors so they can be divided into x and y components, but what about the normal force or the force of static friction? do you divide those into x and y components if say you had a block that was lying on an angled surface?
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