505 Answered Questions for the topic AP physics

Ap Physics

09/22/19

A rocket is initially at rest. The rocket accelerates upward from ground level at 7.5 m /s^2 for 100 s. The engine is then shut off. What is the maximum height reached by the rocket?
the answer is 66000 m i just don't know how to get there
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Ap Physics Math Physics

09/20/19

traveling on a highway

Suppose you are traveling on a highway at 35 m/s west. Seven seconds later you are traveling 20 m/s northwest. What the magnitude of your acceleration in m/s2 to the nearest tenth? What was the... more
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Ap Physics Projectile Motion

09/13/19

Projectile Motion AP Physics

A plane drops a hamper of medical supplies from a height of 3620 m during a practice run over the ocean. The plane’s horizontal velocity was 107 m/s at the instant the hamper was dropped. What is... more
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Ap Physics Physics

08/29/19

What is the speed of the earth as it orbits the sun in km/hr? In m/s? Orbital radius =1.5x10^11m)
What is the speed of the earth as it orbits the sun in km/hr? In m/s? Orbital radius =1.5x10^11m)
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Ap Physics

08/25/19

An object is traveling at a constant velocity of 25 m/s when it experiences a constant acceleration of 1.5 m/s2 for a time of 38 s. What will its velocity be after that acceleration?
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Ap Physics

08/25/19

A hopper jumps straight up to a height of 1.3 m. With what velocity did it leave the floor?
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Ap Physics

08/25/19

An object is dropped from a 32 m tall building. How fast will it be going when it strikes the ground?
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Ap Physics Physics

08/20/19

An arrow is launched straight up from the ground with an initial velocity of 23.4 m/s. How long until it reaches its highest point
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08/15/19

How to solve for a in yf=yi+vi *t + 1/2*at^2. Also, What’s this formulas name
Step by step please. This one is hard to get
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Ap Physics Physics

08/15/19

In snell´s law, find θ2 in n1sinθ1=n2sinθ2

Step by step please. I dont seem to understand it
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Ap Physics Physics

08/10/19

Kinematics Chapter Questions
A train travels from Boston to New York. It travels at a speed of 180 km/h for two hours, speeds up to 200 km/h for the next four hours and then slows down to 120 km/h for the next six hours. What... more
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Ap Physics Physics

05/13/19

AP Physics 1 question

A high-speed lifting mechanism supports an 800-kg object with a steel cable that is 25.0m long and 4.00cm^2 in cross-sectional areaa)Determine the elongation of the cableb)By what additional amount... more
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Ap Physics Physics

04/11/19

AP Physics Free Response Question
A simple pendulum consists of mass m attached to a massless string. When the mass is displaced slightly from equilibrium position and released, the period swings back and forth with a frequency f.... more
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Ap Physics Physics

04/11/19

Electrostatic Physics Problem, Can't Figure Out The Direction Of The Resultant Force?
The Question says: A charge Q1 = -16 x 10 -6 coulomb is fixed on the x-axis at +4.0 m and a charge of Q2 = +9.0 x 10 -6 coulomb is fixed on the y-axis at +3.0 meters as shown above. A charge of Q3... more
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Ap Physics Physics

02/14/19

AP Physics fluids and solids homework help
A horizontal pipe of diameter 0.985 m has a smooth constriction to a section of diameter 0.591 m . The density of oil flowing in the pipe is 821 kg/m3 .If the pressure in the pipe is 7270 N/m2 and... more
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02/08/19

Torque Problem (Door)
Question: Two children push on opposite sides of a door during play. Both push horizontally and perpendicular to the door. One child pushes with a force of 17.5 N at a distance of 0.600 m from the... more
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Ap Physics Math Physics

12/13/18

A 57 kg girl skies down a 240 meter frictionless slope. What is her Velocity 100 meters from the bottom? What is her kinetic energy 100 meters from the bottom?
I need help with physics homework.
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Ap Physics

10/25/18

AP Physics Projectile motion?
Im currently on a WebAssign for my AP Physics Class and this problem has been a real pain. Here's the scenario:A projectile is shot from the edge of a cliff h = 285 m above ground level with an... more
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09/17/18

Relating electric field to electric potential
Two equal positive charges are separated by a distance R and are moved to a distance 4R away from each other. What happens to the electric field and electric potential at point P, midway between... more
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08/24/18

Is this equation dimensionally correct?
 Is the equation v2/a dimensionally correct?
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Ap Physics Physics Mass Weight

06/03/18

How to find the weight of the air inside a ball?
I know the radius including the outside layer or "shell" of the basketball is 0.1205m and without is 0.1075m. The inflation pressure is 55158.06 N/m2 in Pascals. 
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04/26/18

What is the minimum energy that is required to take a stationary satellite...
What minimum energy is required to take a stationary 600 kg satellite from the surface of the moon to an altitude of 9.2x10^5 and put it into an orbit with an orbital speed of 1.36x10^3... more
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04/13/18

How do you find the net gravitational force and direction if there are four objects?
Four spheres of equal 8 kg are located at the corners of a square of length 0.64 m per side.   How am I supposed to find the net gravitational force AND direction of one of the objects? Do I use... more
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03/23/18

Centripetal forces with tilts/banks
A 220000 kg plane flying at 130 m/s tilts 30º above the horizontal to fly in a circle. What is the radius of the circle in which the plane flies?
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Ap Physics

03/13/18

Physics question, its about how much the other side of a mobile is weighting, with the infromation given.
on a 10 meter long, 10k bar of a large calder mobile, hanging from a vertical wire @ the 4 meter position on the bar, is a purple metal star with a mass of 55 kg. Positioned at the 10 meter end.... more
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