Explanation:
<h2>Speed is the rate of change of distance with time.</h2>
Answer:
B
Explanation:
Basta B isagot Mona Tama yan
The displacement of end a is 1.09mm
given:
Rod diameter,d=20mm
stiffness constant,k=55mn/m
force,f=60kn
young modulus,E= 200gpa
we know the formula
By substituting values in the above formula
length L=A×E/K
=1.14m
Hence, displacement is
=1.09mm
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Answer:
Product,
P = 639619.091888
Explanation:
In this case, we need to find the product of two numbers. These are as follows :
On doing calculation, we get the product of two numbers as :
P = 639619.091888
In scientific notation the product of two number is given by :
Hence, this is the required solution.
Answer:
The speed of the 8-ball is 2.125 m/s after the collision.
Explanation:
<u>Law Of Conservation Of Linear Momentum</u>
The total momentum of a system of masses is conserved unless an external force is applied. The momentum of a body with mass m and velocity v is calculated as follows:
P=mv
If we have a system of masses, then the total momentum is the sum of all the individual momentums:
When a collision occurs, the velocities change to v' and the final momentum is:
In a system of two masses, the law of conservation of linear momentum is simplified to:
The m1=0.16 Kg 8-ball is initially at rest v1=0. It is hit by an m2=0.17 Kg cue ball that was moving at v2=2 m/s.
After the collision, the cue ball comes to rest v2'=0. It's required to find the final speed v1' after the collision.
The above equation is solved for v1':
The speed of the 8-ball is 2.125 m/s after the collision.