505 Answered Questions for the topic AP physics

Ap Physics

04/13/21

A 15.0 Ω resistor is hooked up in parallel with a 13.0 Ω resistor and a 12.0 Ω resistor. The circuit is powered by a 45.0 V battery.
a)   Draw a labeled circuit diagram for the circuit described.b)   Calculate the equivalent resistance.c)   Calculate the current passing through each resistor in the circuit.
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Ap Physics Science Physics

04/13/21

physics question
A 4.00 kg block is released up a 30.0º incline with 128 J of kinetic energy. If the block stops 4.30m up the incline what is the friction force acting on the block? Ans: 10.2N
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04/11/21

If you measure the size of each plate to be 12 cm2, how far apart are the plates, in micrometers?

 A 0.054 μF capacitor is being held at a potential difference of 431 μV. I keep getting an answer 1.967 * 1o^-7 which is wrong. Please explain and show your work. Thanks!
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Ap Physics Science Physics

04/10/21

physics question
You load a 7.6g AAA battery into your new mini penlight flashlight. The spring at the bottom of the battery compartment has a k=89 and you compress it 2.0 cm as you screw on the cap. At camp you... more
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Ap Physics Science Physics

04/10/21

physics question
Tommy gives Sally (mass 55.0kg) sitting on a swing an underdog and lifts her 1.25m higher than she was when sitting stationary at the bottom of the swing. a. What should Sally’s velocity be when... more
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04/10/21

physics question
A 25 g pellet is placed in the barrel of a toy gun and is propelled by a spring with a spring constant of 50. N/m. The gun is held vertically, the spring is compressed 20. cm and then released... more
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04/07/21

Need help before April 10th! Please and thank you!
___C6H6+ ___Cl2→ ___C6H5Cl + ___HClWhen 39.0 g of C6H6reacts with an excess of Cl2, the actual yield of C6H5Cl is 42.0 g. What is the percent yield of C6H5Cl?
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Ap Physics

04/07/21

A 0.850 kg air-track glider moving at 1.75 m/s bumps into a 1.45 kg glider initially at rest. Find the total kinetic energy after an inelastic collision and an elastic collision.
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Ap Physics

04/07/21

A 38kg child is at the top of a slide that is 2.1m tall. If there is no friction, how fast will they be moving when they reach the bottom? How fast if they lost 250.0J of energy?
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04/05/21

What is the magnification of the image?

Suppose that you have a converging lens that produces a real image of a small object. The image is at a distance of 150 cm to the left of the lens and the object is at a distance of 75 cm to the... more
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04/05/21

Will the image of the object be on the right side or left side of the lens?

Suppose that you have a converging lens with a focal length of 20 cm and you place a small object at a distance of 25 cm to the right of the lens. I understand the image will be real so just not... more
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Ap Physics

03/31/21

Tutor class cancellation
My graddaughter Lexie Santoya had a session scheduled for 11am CST but there seemed to be some confusion since Christian (tutor #15588712) had it scheduled for 11EST. Since he is not able to... more
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Ap Physics Science Physics

03/29/21

physics question
A block of known mass M=1.5kg is at rest at the base of a ramp. A second identical block of mass M=1.5kg travels at a known, constant velocity v0 = 15.7m/s,. The block that travels at a... more
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03/28/21

What is the distance, in kilometers, of a point outside the sphere from the sphere’s center, if the potential at the point is 5.2 MV?

The surface of a sphere carries a uniform charge 1.45 C. I keep getting 2.509 * 10^3 for r which is wrong. Please show your work and thanks in advance!
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03/25/21

How can I solve this physics question? Someone help please?!
An aluminum wire having a cross-sectional area equal to 6.00  10-6 m2 carries a current of 4.50 A. The density of aluminum is 2.70 g/cm3. Assume each aluminum atom supplies one conduction electron... more
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03/25/21

How can I solve this please? Help Needed!
An isolated charged conducting sphere has a radius R = 16.0 cm. At a distance of r = 22.0 cm from the center of the sphere the electric field due to the sphere has a magnitude... more
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03/22/21

please help me with my physics homework
A spherical object (with non-uniform density) of mass 16 kg and radius 0.14 m rolls along a horizontal surface at a constant linear speed without slipping. The moment of inertia of the object about... more
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03/22/21

ahh i need help with my physics homework and its due in 3 days
A uniform disk with a mass of 180 kg and a radius of 1.4 m rotates initially with an angular speed of 1150 rev/min. A constant tangential force is applied at a radial distance of 0.8 m. a) How much... more
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03/20/21

PLEASE I NEED HELP WITH PHYSICS, IVE BEEN TRYING ON THIS QUESTION FOR DAYS
A long, uniform 5 kg rod of length 1.5 m is supported at the left end by a horizontal axis into the page and perpendicular to the rod, as shown. The right end is connected to the ceiling by a thin... more
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Ap Physics Math Science Physics

03/19/21

physics help I am very confused
2 kg object is spun around in a circle of radius 0.5m with a period of 5.0sA. what is the frequency of its rotationB. if the object's velocity is 0.63m/s, what is the acceleration?C. what is the... more
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Ap Physics Science Physics

03/18/21

physics question (answer is given but idk how to get to these answers)
A sled with two riders have a combined mass of 150.0 kg. They slide down a 12.0 m high hill and then across a frozen lake that is 60.0 m in diameter. The frictional force is a constant 200.0 N for... more
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Ap Physics Science Physics

03/18/21

physics question
How much work is done on a 2.50 kg box by carrying the box to the top of a set of stairs that is 12 meters in length and goes up 6 meters in elevation?
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Ap Physics Physics

03/16/21

A .37kg bullet travelling at 719m/s strikes a 2.4kg block of wood sitting at rest. The bullet is embedded in the block. Assuming no friction, what is the velocity of the block?
A .37kg bullet travelling at 719m/s strikes a 2.4kg block of wood sitting at rest. The bullet is embedded in the block. Assuming no friction, what is the velocity of the block?
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Ap Physics Science Physics

03/14/21

Physics question
A cardboard package of mass 2.2 kg is kicked with an initial speed of 5.5 m/s. It slides along a rough horizontal surface and then stops, after travelling 4.2 m. Calculate the frictional force... more
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Ap Physics Physics

03/10/21

physics homework help
A 14.7 g bullet is fired into and embeds itself in a 2.9 kg block attached to a spring with a spring constant of 22.6 N/m and whose mass is negligible. How far is the spring compressed if the... more
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