Answer:
doubled
Explanation:
<u>Step 1</u>. Linear momentum (p) = mass X velocity = mv
p = mv -----equation 1
<u>Step 2</u>. if the mass is now twice and speed is same
p = (2*m)v -----equation 2
solving equation 1 and 2 together,
p = mv = 2mv
p = 2
Therefore, its momentum is doubled
Answer:

Explanation:
For a linear elastic material Young's modulus is a constant that is given by:

Here, F is the force exerted on an object under tensio, A is the area of the cross-section perpendicular to the applied force,
is the amount by which the length of the object changes and
is the original length of the object. In this case the force is the weight of the mass:

Replacing the given values in Young's modulus formula:

They are used by scientist because of the texture and shapes.
Answer:
0.961
Explanation:
m1 = 300 g = 0.3 kg
u1 = 1 m/s
m2 = 600 g = 0.6 kg
u2 = - 0.75 m/s
Let after collision they move together with velocity v.
By using the conservation of linear momentum
Total momentum before collision = Total momentum after collision
m1 x u1 + m2 x u2 = (m1 + m2) v
0.3 x 1 - 0.6 x 0.75 = (0.3 + 0.6) v
0.3 - 0.45 = 0.9 v
v = - 0.166 m/s
Total initial Kinetic energy



Total final Kinetic energy



fraction of kinetic energy lost
