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[answered] lawson (cl42756) - Linear Momentum - tabor - (S413121) This


Hello I was just wondering what the answer to number nine would be on this worksheet. I've been able to answer all the other ones.


lawson (cl42756) ? Linear Momentum ? tabor ? (S413121)

 

This print-out should have 13 questions.

 

Multiple-choice questions may continue on

 

the next column or page ? find all choices

 

before answering.

 

001 10.0 points

 

An ostrich with a mass of 156 kg is running to

 

the right with a velocity of 13 m/s.

 

Find the momentum of the ostrich.

 

Answer in units of kg ? m/s.

 

002 10.0 points

 

What is the momentum of a 0.146 kg baseball

 

thrown with a velocity of 35 m/s toward home

 

plate?

 

Answer in units of kg ? m/s.

 

003 (part 1 of 2) 10.0 points

 

A 0.18 kg ball of dough is thrown straight up

 

into the air with an initial speed of 15 m/s.

 

The acceleration of gravity is 9.8 m/s2 .

 

What is its momentum at its maximum

 

height?

 

Answer in units of kg m/s.

 

004 (part 2 of 2) 10.0 points

 

What is its momentum halfway to its maximum height?

 

Answer in units of kg m/s.

 

005 (part 1 of 4) 10.0 points

 

Calculate the magnitude of the linear momentum for each of the following cases:

 

A proton with mass 1.67 ? 10?27 kg moving

 

with a speed of 5.52 ? 106 m/s.

 

Answer in units of kg ? m/s.

 

006 (part 2 of 4) 10.0 points

 

A 14.8 g bullet moving with a speed of

 

381 m/s.

 

Answer in units of kg ? m/s.

 

007 (part 3 of 4) 10.0 points

 

A 74.6 kg sprinter running with a speed of

 

10.6 m/s .

 

Answer in units of kg ? m/s.

 

008 (part 4 of 4) 10.0 points

 

Earth (mass = 5.98 ? 1024 kg) moving with 1 an orbital speed equal to 26270.1 m/s .

 

Answer in units of kg ? m/s.

 

009 10.0 points

 

A system consists of two particles moving

 

as shown, of masses m1 and m2 and speeds v1

 

and v2 .

 

~v1 ~v2 m1

 

m2

 

What expression gives the total momentum of the system?

 

1. ~p = m2 ~v2 ? m1 ~v1

 

2. p = 

 

1

 

m1 v12 ? m2 v22

 

2 3. p = m1 v1 + m2 v2

 

4. ~p = m1 ~v1 + m2 ~v2

 

5. ~p = m1 ~v1 ? m2 ~v2

 

010 (part 1 of 3) 10.0 points

 

A pitcher claims he can throw a 0.107 kg

 

baseball with as much momentum as a 3.16 g

 

bullet moving with a speed of 76832 m/s.

 

What must be its speed if the pitcher?s

 

claim is valid?

 

Answer in units of m/s.

 

011 (part 2 of 3) 10.0 points

 

What is the kinetic energy of the bullet?

 

Answer in units of J.

 

012 (part 3 of 3) 10.0 points

 

What is the kinetic energy of the ball?

 

Answer in units of J.

 

013 10.0 points

 

A bowling ball of mass 3.1 kg moves in a

 

straight line at 2.72 m/s.

 

How fast must a Ping-Pong ball of mass

 

1.171 g move in a straight line so that the two

 

balls have the same momentum?

 

Answer in units of m/s.

 


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