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41 Answered Questions for the topic Meters

12/17/15

Explain physics question and answer.

Ball A of mass 5 kilograms moving at 20 meters per second collides with ball B of unknown mass moving at 10 meters per second in the same direction.   A car traveling at 20 m/s has 1,000 J of... more
Meters Physics Mass

12/17/15

Explain total momentum in physics.

Ball A of mass 5 kilograms moving at 20 meters per second collides with ball B of unknown mass moving at 10 meters per second in the same direction.   When is total momentum greatest?   The... more
Meters Physics Mass

12/17/15

Explain momentum before a collision.

Ball A of mass 5 kilograms moving at 20 meters per second collides with ball B of unknown mass moving at 10 meters per second in the same direction.   Which ball has more momentum before the... more
Meters Physics Mass

12/17/15

Explain Physics Please.

Ball A of mass 5 kilograms moving at 20 meters per second collides with ball B of unknown mass moving at 10 meters per second in the same direction.   After the collision, ball A moves at 10... more
Meters Physics Distance

11/18/15

What is the car's stopping distance if the speed is doubled?

A car traveling at 10 m/s hits the brakes and comes to a stop in 12 m. What is the car's stopping distance if the speed is doubled?

11/01/15

What was the cannonball's final speed when it hit the soldier?

If a cannonball was shot off 20 meters away from a soldier, and it's acceleration was 5m/s^2. What was the cannonball's final speed when it hit the soldier?   Hint: The Initial speed was... more
Meters Physics Speed

10/22/15

Renaud Lavillenie broke the world record for the highest pole vault at 6.16 meters(!) in 2014. What was his running speed before planting the pole?

Renaud Lavillenie broke the world record for the highest pole vault at 6.16 meters(!) in 2014. What was his running speed before planting the pole?   Show work please.
Meters Physics Forces

10/22/15

A 35 Newton force is used to push a 12 kilogram desk a distance of 10 meters. What is the work done on the desk?

A 35 Newton force is used to push a 12 kilogram desk a distance of 10 meters. What is the work done on the desk?   Show work please.

10/22/15

A 7kg bowling ball is raised 1.5m into the air. What is the bowling ball's gain in gravitational potential energy?

A 7kg bowling ball is raised 1.5m into the air. What is the bowling ball's gain in gravitational potential energy? SHOW WORK PLEASE! THANKS!!!!!
Meters Physics Seconds

10/05/15

How long does it take the ball to reach the batter?

A baseball pitcher throws a ball at 42m/s. If the batter is 18m from the pitcher, approximately how long does it take the ball to reach the batter?   Multiple Choice: A) 1.9 sec B) 2.3 sec C)... more
Meters Physics Velocity

10/05/15

Help for the physics questions?

A baseball player throws a baseball with a horizontal velocity of 100m/s west. The ball hits the ground 0.5 seconds later.   1.) With what vertical velocity does the ball land?   2.) How tall... more
Meters Physics Velocity

10/05/15

Help for the physics questions?

A baseball player throws a baseball with a horizontal velocity of 100m/s west. The ball hits the ground 0.5 seconds later.   A) With what vertical velocity does the ball land?   B) How tall is... more
Meters Physics Velocity

10/05/15

How far does the jumper move horizontally?

A long jumper achieves a height of 1.5 meters when her initial horizontal velocity is 5m/s. How far does the jumper move horizontally? (Hint: She reaches a height of 1.5 meters halfway through the... more

09/10/15

Use your knowledge of acceleration, average speed, and running starts to explain why it happens?

A common track event is the 4x100m relay, where each athlete each run 100m and passes a baton to the next runner who then runs 100m, and so on until all four runners have gone. The runners... more

05/12/15

Word problem help? 1

A rectangular pool is surrounded by a walk 2 meters wide. The pool is 5 meters longer than its width. If the total area of the pool and walk is 212 square meters more than the area of the pool,... more
Meters Equation Seconds

04/23/15

h=-4.9t^2+23.8t+3.5

A toy rocket is launched from a 3.5 m high platform in such a way that its height, h (in meters), after t seconds is given by the equation h=-4.9t^2+23.8t+3.5. How long will it take for the rocket... more
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