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Ap Physics

09/26/20

Physics Projectile Motion

A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 17 degrees below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are... more

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Ap Physics

09/26/20

Physics Projectile Motion

An artillery shell is fired at an angle of 46◦ above the horizontal ground with an initial speed of 1620 m/s. The acceleration of gravity is 9.8 m/s 2 . (a)Find the total time of flight of the... more

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Ap Physics Physics

09/25/20

Gravitational and Normal Force

The magnitude of the gravitational force exerted on the block is Fg2, and the magnitude of the normal force exerted by the track on the block is Fn2, Which of the following correctly compares the... more

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Ap Physics Physics

09/25/20

Forces of Friction | Application of Newton's Laws

Question: In Figure P.36, Mass of 1 = 10kg and Mass of 2 equals 4.0 kg. The coefficient of static friction between mass of 1 and the horizontal surface is .50, and the coefficient of kinetic... more

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Ap Physics

09/24/20

Question 26 This question is a long free-response question. Show your work for each part of the question.

Students are studying the two-dimensional motion of objects as they move through the air. Specifically, they are examining the behavior of a sphere that is launched horizontally from a location... more

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Ap Physics Physics

09/22/20

What will be the acceleration of an Atwood machine with a frictional pulley with the following mass values?

What will be the acceleration of an Atwood machine with a frictional pulley with the following mass values?Pulley: 3.6 kg Mass A: 1.4 kg Mass B: 4.1 kg

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Ap Physics Physics

09/21/20

Frictional Force

What is the magnitude of this friction force?Calculate 𝞵.What is the magnitude of the object's acceleration?

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Ap Physics Physics

09/20/20

1) Is it possible for velocity to be constant while acceleration is not zero? Explain. 2)Give an example in which velocity is zero yet acceleration is not.

1) Is it possible for velocity to be constant while acceleration is not zero? Explain. 2) Give an example in which velocity is zero yet acceleration is not.

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Ap Physics Physics

09/18/20

A 0.250 kg wrench has a weight of 2.18 N. What is the strength of the gravitational field at this place in space and time?

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Ap Physics Physics

09/17/20

Faith rides her bicycle with an initial velocity of 6.0 m/s for 20 seconds. She then begins to speed up with an acceleration of 0.20 m/s2 for 10 seconds. How far...

Faith rides her bicycle with an initial velocity of 6.0 m/s for 20 seconds. She then begins to speed up with an acceleration of 0.20 m/s2 for 10 seconds. How far does Faith travel during the... more

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Ap Physics Physics

09/17/20

How are speed and acceleration related, and what is the difference between them?

I understand that speed is the amount of distance covered (traveled) in a time frame, while acceleration is the rate at which which velocity changes, but how are these related to each other? I also... more

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Ap Physics Physics

09/14/20

Robbie is playing baseball with his friends. He hits a pop fly that travels straight up in the air. The ball reaches a maximum height of 14.7 meters before falling back down...

Robbie is playing baseball with his friends. He hits a pop fly that travels straight up in the air. The ball reaches a maximum height of 14.7 meters before falling back down toward the ground. How... more

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Ap Physics Physics Physical Science Hydrostatics

09/14/20

Floating cylinder

A cylinder can of mass 3kg and the diameter 5 times greater than height is floating with 1/3 part of its volume inside the water. a) find the diameter of this can b) what minimum work is required... more

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Ap Physics Science Physics

09/11/20

Physics problem on buoyant force, I need help

If someone may help me with this attached Physics problem shown below. I've been having trouble and spending time on it, I can't figure it out. Thanks, much appreciated!

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Ap Physics Science Physics

09/11/20

Help with Physics Question on Density

I've been trying to figure out how to solve this question for some time now and I can't figure it out (picture below), please and thanks.

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Ap Physics Science Physics

09/11/20

Physics Question, I need help

I've been having trouble with this Physics Question (the picture below) if someone may help me please.

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Ap Physics Physics

09/11/20

On a highway trip, Joe drives the first 25 miles at 55 mph, and the next 15 miles at 70 mph. What is his average speed for the trip?

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Ap Physics Physics

09/10/20

Estimate the length of a human lifetime, in seconds

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Ap Physics Physics

09/10/20

Motor neurons in mammals transmit signals from the brain to skeletal muscles at approximately 25 m/s. Estimate how much time in millisec it will take for a signal to get from your brain to your hand.

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Ap Physics Physics

09/10/20

A flying squirrel in a typical long glide covers a horizontal distance of 16 m while losing 8.0m of elevation. Angle of the squirrels path below the horizontal? Total distance covered by the squirrel?

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Ap Physics Physics

09/10/20

Luis is visiting a public garden that has a large, circular path. When he has walked one quarter of the distance around the path, magnitude of his displacement is 180m. Find the diameter of the path?

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Ap Physics Physics

09/09/20

Physics Apparent or Real

This is something new for me and I don't know how to solve it, if someone can help, thanks!

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Ap Physics

09/09/20

A hopper jumps straight up to a height of 1.7 m. With what velocity did it leave the floor? (acceleration = 10 m/s2)

How do you arrive at -3.22 which is the answer I don't get it.

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Ap Physics

09/04/20

2-Dimensional Motion

A hiker walking along a trail on a 300 meter cliff encounters an interesting looking rock. He promptly kicks it off the cliff with a velocity of 20 m/s with a 15-degree angle. How far away does... more

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Ap Physics Physics Mechanics Pendulums

08/29/20

Mathematical pendulums

the periods of oscillations of n different pendulums (mathematical) are T1, T2, ..., Tn. The strings of these pendulums are joint into one without length loss and I got a new pendulum. Find its... more

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Physics Projectile Motion

Physics Projectile Motion

Gravitational and Normal Force

Forces of Friction | Application of Newton's Laws

Question 26 This question is a long free-response question. Show your work for each part of the question.

What will be the acceleration of an Atwood machine with a frictional pulley with the following mass values?

Frictional Force

1) Is it possible for velocity to be constant while acceleration is not zero? Explain. 2)Give an example in which velocity is zero yet acceleration is not.

A 0.250 kg wrench has a weight of 2.18 N. What is the strength of the gravitational field at this place in space and time?

Faith rides her bicycle with an initial velocity of 6.0 m/s for 20 seconds. She then begins to speed up with an acceleration of 0.20 m/s2 for 10 seconds. How far...

How are speed and acceleration related, and what is the difference between them?

Robbie is playing baseball with his friends. He hits a pop fly that travels straight up in the air. The ball reaches a maximum height of 14.7 meters before falling back down...

Floating cylinder

Physics problem on buoyant force, I need help

Help with Physics Question on Density

Physics Question, I need help

On a highway trip, Joe drives the first 25 miles at 55 mph, and the next 15 miles at 70 mph. What is his average speed for the trip?

Estimate the length of a human lifetime, in seconds

Motor neurons in mammals transmit signals from the brain to skeletal muscles at approximately 25 m/s. Estimate how much time in millisec it will take for a signal to get from your brain to your hand.

A flying squirrel in a typical long glide covers a horizontal distance of 16 m while losing 8.0m of elevation. Angle of the squirrels path below the horizontal? Total distance covered by the squirrel?

Luis is visiting a public garden that has a large, circular path. When he has walked one quarter of the distance around the path, magnitude of his displacement is 180m. Find the diameter of the path?

Physics Apparent or Real

A hopper jumps straight up to a height of 1.7 m. With what velocity did it leave the floor? (acceleration = 10 m/s2)

2-Dimensional Motion

Mathematical pendulums

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