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ser-zykov [4K]
3 years ago
13

two balls each with with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in this col

lision
Physics
2 answers:
joja [24]3 years ago
7 0

Sample Response: Yes, the law of conservation of momentum is satisfied. The total momentum before the collision is 1.5 kg • m/s and the total momentum after the collision is 1.5 kg • m/s. The momentum before and after the collision is the same.

Harrizon [31]3 years ago
4 0

Answer: yes, the law of conservation of momentum remains conserved always in a closed system.

Explanation:

Law of conservation of momentum states that initial momentum of the components in a closed system is equal to final momentum of the components. Thus, the total momentum remains constant i.e. conserved. The law of conservation of momentum hold true in all conditions - be it elastic collision or inelastic collision.

When two balls collide on pool table, the law of conservation of momentum is satisfied.

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Beam design what is the maximum code-allowable floor beam deflection under the given live load?
Irina18 [472]

According to I.S. standards, the maximum deflection should typically not be greater than 1/325 of the span.

<h3>What is Beam deflection?</h3>

A beam is a long segment of a body that can support a weight while defying bending. Beam deflection is the term for the movement of a beam when a force is applied to it in a certain direction.

The beam has the ability to be bent or shifted from its initial position. The deflection is represented by this distance along each member point.

The amount of displacement that a certain structural member may experience with the aid of a sizable amount of load is known as deflection. It may also be known as the angle or the separation. The slope of the deflected form of the body under a load directly influences the distance of deflection of a member under that force.

To know more about Beam deflection:

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5 0
2 years ago
Investigator Campbell has bullets that were collected from the crime scene and puts them under her comparison microscope. What o
fgiga [73]

Answer:

Test bullets fired from the suspected gun

Explanation:

This is the correct answer!! I took the test!!

6 0
3 years ago
9. Rob Colley set a record in “pole-sitting" when he spent 42 days in a barrel at the
Vsevolod [243]

Answer:

3 sec

Explanation:

T=squareroot((2*-43)/-9.81)

4 0
3 years ago
Choose the correct description, of what happens to the electron speeds in a more massive white dwarf. Choose the correct descrip
tester [92]

Answer:

As the mass of a white dwarf increases, the pressure must increase to resist gravity. To do this, the electrons must move faster.

Explanation:

A white dwarf also known as degenerate dwarf is a star or an electron degenerate matter and is as massive as the Sun but only about as large in size as planet Earth.

The maximum mass of a white dwarf is about 1.4 times the mass of the Sun.

Also, as the mass of a white dwarf increases, the pressure must increase to resist gravity and to do this, the electrons must move faster.

4 0
3 years ago
One strategy in a snowball fight is to throw a snowball at a high angle over level ground. While your opponent is watching the f
Andreas93 [3]

Answer:

Part a)

\theta_2 = 15 degree

Part b)

\Delta t = 2.88 s

Explanation:

Part a)

In order to have same range for same initial speed we can say

R_1 = R_2

\frac{v^2 sin2\theta_1}{g} = \frac{v^2 sin2\theta_2}{g}

so after comparing above we will have

\theta_1 = 90 - \theta

so we have

75 = 90 - \theta_2

\theta_2 = 15 degree

Part b)

Time of flight for the first ball is given as

T_1 = \frac{2vsin\theta}{g}

T_1 = \frac{2(20)sin75}{9.81}

T_1 = 3.94 s

Now for other angle of projection time is given as

T_2 = \frac{2(20)sin15}{9.81}

T_2 = 1.05 s

So here the time lag between two is given as

\Delta t = T_1 - T_2

\Delta t = 3.94 - 1.05

\Delta t = 2.88 s

5 0
3 years ago
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