answersLogoWhite

0

Physics

User Avatar

Bradly Kertzmann

Lvl 10
∙ 2021-10-09 18:35:04
☆★☆★☆★☆★☆★
No Reviews
Leave the first rating
Term1/22
A 3000 kg freight train traveling at a rate of 2 ms strikes a stationery 3000 kg freight car and couples up What is the speed of the 2 cars as they move together after the collision
Definition1/22

The answer is 1 m/s.

Don't know how I found that could someone help me with the math?

Term1/22
What is the mechanical advantage of a simple machine that requires a force of 40 newtons input to lift a 200 newton object
Definition1/22

The answer is 5. To find mechanical advantage, divide the force required by the force given.

200/40 = 5

Term1/22
A sailor pulls a 2000 kilogram boat 25 meters along the dock with a rope attached to the boat that makes a 45 degree angle with the dock. How much work is done by the sailor if he exerts a force of 4
Definition1/22

7,071 J

Term1/22
An isolated system is one which is not subject to any forces
Definition1/22

external

Term1/22
Which of these changes as the momentum of an object changes
Definition1/22

Mass

Term1/22
A bicycle is an example of what machine
Definition1/22

A bicycle is an example of a complex machine, consisting of interacting simple machines.

Term1/22
What factor prevents a machine from operating at 100 percent efficiency
Definition1/22

Friction((:

Term1/22
The value of the impulse equals the force x the
Definition1/22

The value of the impulse equals the the force times the time.

Term1/22
A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 ms What is the maximum height attained by the ball
Definition1/22

10.7

Term1/22
V-cube 7 or megaminx
Definition1/22

megaminx

Term1/22
What is the force applied over a period of time that is required to give a stationary object momentum
Definition1/22

Inertia

Term1/22
A ramp is 30 meters long and 5 meters high 200 newtons of force must be applied by the mover to push a 1000 newton piano up the ramp
Definition1/22

What is the amount of work accomplished by the ramp? - 5000 joules

What is the amount of work done by the mover? - 6000 joules

What is the efficiency of the ramp? - 83%

Term1/22
All moving objects have momentum
Definition1/22

Any moving object with mass has momentum, since p = mv, where p is momentum, m is mass, and v is velocity.

Term1/22
The momentum of two objects before collision is the same as the momentum of the two objects after collision
Definition1/22

Yes. The total momentum would be the same. This is an example of the conservation of linear momentum.

Term1/22
A golfer tees off and hits a golf ball at a speed of 31 ms and at an angle of 35 degrees What is the vertical velocity component of the ball
Definition1/22

17.8 m/s

Term1/22
A golfer tees off and hits a golf ball at a speed of 31 ms and at an angle of 35 degrees what is the horizontal velocity component of the ball
Definition1/22

25.4

Term1/22
What does a force applied to a stationary object give the object
Definition1/22

"Motion" or "Momentum"

Term1/22
What does the amount of force times the time applied equal
Definition1/22

impulse

Term1/22
A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 ms What is the vertical velocity component of the ball to the nearest ms
Definition1/22

13

Term1/22
A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor To lift the engine fi
Definition1/22

250 newtons

A+ Answers

Term1/22
A golfer tees off and hits a golf ball at a speed of 31 ms and at an angle of 35 degrees How long was the ball in the air Round the answer to the nearest tenth of a second
Definition1/22

3.6

Term1/22
A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 ms
Definition1/22

Yes your question is.......................

🥳
Great job!
You studied all the cards in this guide.
Rate this guide:
☆★☆★☆★☆★☆★

Rate this Study Guide:

☆★☆★☆★☆★☆★
Cards in this guide (22)
A 3000 kg freight train traveling at a rate of 2 ms strikes a stationery 3000 kg freight car and couples up What is the speed of the 2 cars as they move together after the collision

The answer is 1 m/s.

Don't know how I found that could someone help me with the math?

What is the mechanical advantage of a simple machine that requires a force of 40 newtons input to lift a 200 newton object

The answer is 5. To find mechanical advantage, divide the force required by the force given.

200/40 = 5

A sailor pulls a 2000 kilogram boat 25 meters along the dock with a rope attached to the boat that makes a 45 degree angle with the dock. How much work is done by the sailor if he exerts a force of 4

7,071 J

An isolated system is one which is not subject to any forces

external

Which of these changes as the momentum of an object changes

Mass

A bicycle is an example of what machine

A bicycle is an example of a complex machine, consisting of interacting simple machines.

What factor prevents a machine from operating at 100 percent efficiency

Friction((:

The value of the impulse equals the force x the

The value of the impulse equals the the force times the time.

A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 ms What is the maximum height attained by the ball

10.7

V-cube 7 or megaminx

megaminx

What is the force applied over a period of time that is required to give a stationary object momentum

Inertia

A ramp is 30 meters long and 5 meters high 200 newtons of force must be applied by the mover to push a 1000 newton piano up the ramp

What is the amount of work accomplished by the ramp? - 5000 joules

What is the amount of work done by the mover? - 6000 joules

What is the efficiency of the ramp? - 83%

All moving objects have momentum

Any moving object with mass has momentum, since p = mv, where p is momentum, m is mass, and v is velocity.

The momentum of two objects before collision is the same as the momentum of the two objects after collision

Yes. The total momentum would be the same. This is an example of the conservation of linear momentum.

A golfer tees off and hits a golf ball at a speed of 31 ms and at an angle of 35 degrees What is the vertical velocity component of the ball

17.8 m/s

A golfer tees off and hits a golf ball at a speed of 31 ms and at an angle of 35 degrees what is the horizontal velocity component of the ball

25.4

What does a force applied to a stationary object give the object

"Motion" or "Momentum"

What does the amount of force times the time applied equal

impulse

A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 ms What is the vertical velocity component of the ball to the nearest ms

13

A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor To lift the engine fi

250 newtons

A+ Answers

A golfer tees off and hits a golf ball at a speed of 31 ms and at an angle of 35 degrees How long was the ball in the air Round the answer to the nearest tenth of a second

3.6

A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 ms

Yes your question is.......................

Related study guides

Physics

25 cards

What is the mechanical advantage of a simple machine that requires a force of 40 newtons input to lift a 200 newton object

A sailor pulls a 2000 kilogram boat 25 meters along the dock with a rope attached to the boat that makes a 45 degree angle with the dock. How much work is done by the sailor if he exerts a force of 4

A force of 20 N is applied to a 10 kg mass on a level frictionless surface What is the acceleration of the mass

An isolated system is one which is not subject to any forces

➡️
See all cards
☆★☆★☆★☆★☆★
No Reviews

Physics

25 cards

The moom revolves around earth every 27.3 days and is 390000 km from the center. How long would it take a satellite launched to a distance of 6700 km from the center of the earth to orbit the earth

Downward velocity is considered a negative. true or false

What is the gravitational force between a mass of 20 kg and a mass of 100 kg that are 15 meters apart

An isolated system is one which is not subject to any forces

➡️
See all cards
☆★☆★☆★☆★☆★
No Reviews

Physics

24 cards

Downward velocity is considered a negative. true or false

What is the gravitational force between a mass of 20 kg and a mass of 100 kg that are 15 meters apart

An isolated system is one which is not subject to any forces

Which of these components of projectile motion is not influenced by gravity

➡️
See all cards
☆★☆★☆★☆★☆★
No Reviews

Physics

23 cards

Downward velocity is considered a negative. true or false

What is the gravitational force between a mass of 20 kg and a mass of 100 kg that are 15 meters apart

An isolated system is one which is not subject to any forces

Which of these components of projectile motion is not influenced by gravity

➡️
See all cards
☆★☆★☆★☆★☆★
No Reviews

Physics

28 cards

A 3000 kg freight train traveling at a rate of 2 ms strikes a stationery 3000 kg freight car and couples up What is the speed of the 2 cars as they move together after the collision

What do all moving objects have

What is the mechanical advantage of a simple machine that requires a force of 40 newtons input to lift a 200 newton object

A sailor pulls a 2000 kilogram boat 25 meters along the dock with a rope attached to the boat that makes a 45 degree angle with the dock. How much work is done by the sailor if he exerts a force of 4

➡️
See all cards
☆★☆★☆★☆★☆★
No Reviews

Subjects

Math Science History Business Arts & Humanities Social Studies Engineering & Technology Other Arts & Entertainment Sciences Humanities Sports Auto Hobbies Books and Literature Electronics Food & Drink Jobs & Education Law & Government Travel & Places People & Society Beauty & Health Animals & Plants All Subjects

Top Categories

Algebra Chemistry Biology World History English Language Arts Psychology Computer Science Economics

Product

Community Guidelines Honor Code Flashcard Maker Study Guides Math Solver FAQ

Company

Contact Us Terms of Use Privacy Policy Disclaimer Cookie Policy IP Issues
Answers Logo
Made with 💙 in St. Louis
Copyright ©2023 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.