Answer:
Al's mass is 102.92 kg
Explanation:
As there are no external forces in the horizontal direction, the horizontal net force must be zero:
As the force is the derivative in time of the momentum, this means that the horizontal momentum is constant:

where the suffix i and f means initial and final respectively.
The initial momentum will be:

But, as they are at rest, initially


So, this means:

We know that the have an combined mass of 195 kg:
.
so:
.





Now, we can use the values:


where the minus sign appears as they are moving at opposite directions


and this is the Al's mass.
Answer:
The kinetic energy of the anti proton is 147.4 MeV.
Explanation:
Given that,
Energy = 2.12 GeV
Kinetic energy = 96.0 MeV
We need to calculate the kinetic energy of the anti proton
Using formula of energy

We know that,

So, 

Put the value into the formula


Hence, The kinetic energy of the anti proton is 147.4 MeV.
Answer:
I can't see the attachment it's too blury I can see bout two words and thats it
Explanation:
Think i got an eye infection or bad eye sight
There are two main types of friction, static friction and kinetic friction. Static friction operates between
Answer:
to be honest I'm not sure