347 Answered Questions for the topic AP physics

Ap Physics Science Physics

1d

physics question
The Earth rotates on its axis once every 24 hours. Satellites that complete one orbit around the earth in 24 hours basically stay in the same spot above Earth. This is called a geosynchronous... more
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2d

How do I approach this work in multiple dimensions question?
The path of a particle is described by the position vector vec r =<3t, t^ 2 ,-t> . The particle experiences a force which varies as a function of the particle's position, described by the... more
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Ap Physics

3d

Rotational Kinematics
Initially, a wheel rotating about a fixed axis at a constant angular deceleration of 0.3 rad/s 2 has an angular velocity of 0 rad/s and an angular position of 8.6 rad. What is the angular position... more
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Ap Physics Physics

3d

Calculate the elastic potential energy added to a spring with k = 20 N/m when the spring is stretched
Calculate the elastic potential energy added to a spring with k = 20 N/m when the spring is stretcheda) 0.30mb) an additional 0.30 mExplain.
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Ap Physics Science Physics

6d

physics question?
On October 14, 2012, Felix Baumgartner, with a mass of 71 kg, set a record for the highest parachute jump when he jumped from a platform 38,000 m about the surface of the Earth.a) What was Felix’s... more
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Ap Physics Science Physics

6d

physics question
A planet of radius R and density ρ is struck by another planet with a much lower density. With time, the two coalesce into a new planet of radius 3R and a density of ½ ρ. By what factor is the... more
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11d

AP Physics Question about gravitational field
Two planets P1 and P2 orbit around a star S in circular orbits with speeds v1 = 45.8 km/s, and v2 = 56.8 km/s respectively.(a) If the period of the first planet P1 is 740 years what is the mass, in... more
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Ap Physics Science Physics

13d

physics question
A physics student ridges Seattle's Big Wheel Ferris Wheel in a vertical circle with a radius of 22 m. The wheel malfunctions and starts going at a very fast, but constant speed. If the physics... more
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Ap Physics Science Physics

14d

physics question
A phonograph record with a diameter of 30.0 cm rotates 33.5 times per minute.What is the velocity of a point on its rim? (answer is 0.527 but I keep getting it wrong)
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Ap Physics Science Physics

14d

physics question
An 8.5 kg cat runs in a circle that is 0.4 m in radius at a velocity of 4.0 m/s. Calculate the centripetal force on the cat. What type of force is providing the centripetal force on the cat?
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Ap Physics Science Physics

14d

Physics question
A 2000. kg car is rounding a curve of radius 200. m on a level road.  At a velocity of 20.0m/s the car starts to slide on the pavement.   What is the static coefficient of friction (µs ) between... more
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Ap Physics Physics

14d

Use Conservation of Energy to solve the problem
A 1000 kg car is initially at rest at the bottom of a 10.0 meter long, 30-degree ramp. It accelerates up due to a static friction force of 8500 N, launches off the top of the ramp, and crashes back... more
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Ap Physics Science Physics

15d

Physics question
What is the minimum radius at which an airplane flying at 300. m/s can make a U-turn if its centripetal acceleration is NOT to exceed 4 g’s (1g = 9.8m/s2)?
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Ap Physics Physics

16d

please help with Physics Question
Two particles are located on the x axis. Particle 1 has a mass m and is at the origin. Particle 2 has a mass 2m and is at x = +L. A third particle is placed between particles 1 and 2. Where on... more
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Ap Physics Physics

16d

Gravitation Physics Question
Two particles are located on the x axis. Particle 1 has a mass m and is at the origin. Particle 2 has a mass 2m and is at x = +L. A third particle is placed between particles 1 and 2. Where on... more
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Ap Physics Math Physics

19d

Kinematic Equation Problem
a. The maximum height above the ground of a projectile launched at an angle of 29.2° to the horizontal is found to be 57.5 m. What is the initial speed of the projectile?b. What is the horizontal... more
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Ap Physics Science Physics

23d

physics question?
Sreshta is in her Lamborghini and trying to make a turn off a highway at 19.0 m/s. The turning radius of the curve is 35.0 m. Her car has a mass of 1240 kg.Determine the minimum coefficient of... more
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Ap Physics Science Physics

23d

physics question
In an effort to rev up her class, Ms. Player does a demonstration with a bucket of water that has a total mass of 1.8 kg. Ms. Player whirls the bucket in a vertical circle, of radius 1.3 m, such... more
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Ap Physics Physics

12/15/20

How far does Faith travel during the 30-second interval? 
Faith rides her bicycle with an initial velocity of 3.0 m/s for 20 seconds. She then begins to speed up with an acceleration of 0.40 m/s2 for 10 seconds. How far does Faith travel during the... more
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Ap Physics Physics

12/14/20

Physics- Springs and Swings
A pendulum made of a string of length 10.7 m and a spherical bob of mass 9.1 kg and negligible raius swings in a vertical plane. The pendulum is released from an angular position 59 ◦ from vertical... more
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Ap Physics Physics

12/13/20

Physics- Springs and Swings
A 3 kg block is pushed by an external force against a spring with spring constant 134 N/m until the spring is compressed by 2.1 m from its uncompressed length (x = 0). The block rests on a... more
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Ap Physics

12/12/20

Physics- Swings and Springs
Find the spring constant k if the spring is stretched a distance 46 m by a suspended weight of 44 N. The acceleration of gravity is 9.8 m/s 2 . Answer in units of N/m.
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Ap Physics Physics

12/11/20

How fast is the car moving at the bottom of the hill?
A 1200-kg car, initially at rest, rolls 80 m down a hill inclined at a 6.0⁰ angle. A 400-N force of friction opposes it motion. How fast is the car moving at the bottom of the hill?
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Ap Physics Physics

12/11/20

Find the effective coefficient of kinetic friction between the car and the road.
A 1350-kg car is traveling on a wet road at 22 m/s. The driver suddenly sees a fallen tree on the road and slams on the breaks. The car comes to a stop after skidding a distance of 44.0 m. Find... more
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Ap Physics Physics

12/09/20

A girl reaches out of a window and tosses a ball straight up with a speed of 10 m/s. The ball is 20 meters above the ground as she releases it.
A girl reaches out of a window and tosses a ball straight up with a speed of 10 m/s. The ball is 20 meters above the ground as she releases it.a. How high does the ball rise above the... more
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