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Physics

03/06/25

Can somebody please help me with these physics questions?

1.) The mass of a piece of ice is 0.590 kg, density of water = 1.00 × 103 kg/m3, and density of ice = 917 kg/m3. What is the buoyant force on the ice floating freely in liquid water? Enter a... more

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Physics

03/04/25

Four charges are in a line. Charge A has a charge of 8.9 uC, B has -4.9 uC, C has 2.5 uC, and D has 43.9 nC. Each charge is 5 mm away from the charges next to it. What is the net force on charge B?

The u stands for micro

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Physics

03/04/25

A charge of 6.5 μC is placed 4.4 cm from a second charge. If the force between the charges is 5.4, what is the magnitude of the second charge in μC?

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Physics

03/03/25

Physics Transverse Wave Reflecting

See the image: The question is about a transverse wave traveling and reflecting off a fixed point.Is it 2?https://ibb.co/jkc9GCpp

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Physics

03/03/25

WAVES&OPTICS: Given a snapshot graph of a standing wave that has an amplitude of 1 at t=0ms, what will the amplitudes be for the subsequent snapshot graphs at t=1,3,5,7ms?

"A snapshot at t=0ms of the m=2 mode of a fixed-fixed string is show below. The period of this standing wave is t=8ms. Draw snapshot graphs of the string every 1ms from t=1 ms to t=8 ms. Think... more

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Physics

03/02/25

Calculate rate of Q for a Carnot cycle heat engine

A Carnot cycle heat engine has an output power of 50kW. It takes thermal energy from a heat source at 15000°C and rejects heat to a cold reservoir at 1000°C. Calculate the rate of transfer of heat... more

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Physics

03/02/25

Calculate change in entropy when a 3.5kW electrical immersion heater is switched on for 15s in a large tank of water at 10°C

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Physics

03/02/25

Calculate change in entropy when 1kJ of thermal energy flows from a hot reservoir at 500°C.

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Physics Math Calculus Differential Equations

02/28/25

Becoming a Tutor

I recently joined Wyzant, and I was interested in becoming a tutor instead of looking for a tutor for me. Where can I find that information to sign up to be a tutor? Thank you!

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Physics Math

02/25/25

How to make a matrix for this circuit to find the currents

I have this circuit (https://www2.0zz0.com/2025/02/25/00/383457466.png) from my homework, it has all the values but I will write all of them here.R1 = 6ΩR2 = 3ΩR3 = 2ΩR4 = 2ΩV1 = 14VV2 = 5V My... more

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Physics Sat Math Physical Science Electrical Engineering

02/20/25

Use junction rule and loop rule.

Here is the link to the question: https://ibb.co/fzm7920d Would you please be able to make a video on it since I have no idea how these currents flow and how to use the junction and loop rule... more

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Physics

02/19/25

Could somebody please help me with this physics question?

The pulse travels to the right on a string whose ends at x = 0 and x = 4.60 m are both fixed in place. Imagine a reflected pulse that begins to move onto the string at an endpoint at the same... more

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Physics

02/19/25

Could somebody please help me with this physics problem?

The pulse travels to the right on a string whose ends at x = 0 and x = 4.60 m are both fixed in place. Imagine a reflected pulse that begins to move onto the string at an endpoint at the same... more

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Physics

02/10/25

i am here for a job as a tutor

i am here for a job as a tutor of science subject

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Physics Science

02/02/25

Coulomb’s law & Electrons: Solve for L

Two small metallic spheres, each of mass m = 0.200 g, are suspended pendulums by light strings of length (L) as shown in figure below. The spheres are given the same electric charge of 7.2 nC, and... more

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Physics

01/31/25

In need of a refund

My tutor said they cant help me with my hw and I need a refund.

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Physics

01/29/25

A sphere of radius 5.2 mm is moving vertically through air at 8.3 m/s. The viscosity of air is 1.8 x 10^-5 Pas. Calculate the instantaneous acceleration produced on the sphere if its mass was 4.8g.

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Physics

01/29/25

A small sphere of radius 3.5 mm and mass 2.7 g was dropped through oil of viscosity 0.24 Pas and density 880 kgm^-3. Determine its maximum speed.

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Physics

01/29/25

Why in chemistry E=q+w and in physics E=Q-W

Study briefly

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Physics

01/29/25

Does energy of photo electrons depend on light

See the modern theory of einstein

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Physics Math Physical Science Electrical Engineering

01/26/25

Find the total electric flux through the cylinder.

A uniformly charged, straight filament 7.10 m in length has a total positive charge of 2.00 µC. An uncharged cardboard cylinder 4.30 cm in length and 10.0 cm in radius surrounds the filament at its... more

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Physics

01/22/25

Could somebody please help me with these physics questions?

Two boxes with different masses are tied together on a frictionless ramp surface. where L = 2.39 and M = 1.70.What is the tension in the lower cord? What is the tension in the upper cord? A... more

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Physics

01/15/25

Could somebody please help me with these Physics questions?

Two vectors are directed at an angle α below the horizontal, as shown.If the grid is 3.00 cm on a side, each vector has a magnitude 12.0 cm. Estimate the magnitude of C→ .Two vectors are directed... more

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Physics Calculus Differential Equations Linear Algebra

01/10/25

How do you solve an integral problem?

How to evaluate an integral which can be a definite integral or an indefinite inegral.

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Physics Elementary Education

01/04/25

THE YANG-MILLS MASS GAP PROBLEM

There are a lot of answers on the Yang-Mills problem,is the mass gap problem still open, and what is wrong with these answers:1)... more

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Can somebody please help me with these physics questions?

Four charges are in a line. Charge A has a charge of 8.9 uC, B has -4.9 uC, C has 2.5 uC, and D has 43.9 nC. Each charge is 5 mm away from the charges next to it. What is the net force on charge B?

A charge of 6.5 μC is placed 4.4 cm from a second charge. If the force between the charges is 5.4, what is the magnitude of the second charge in μC?

Physics Transverse Wave Reflecting

WAVES&OPTICS: Given a snapshot graph of a standing wave that has an amplitude of 1 at t=0ms, what will the amplitudes be for the subsequent snapshot graphs at t=1,3,5,7ms?

Calculate rate of Q for a Carnot cycle heat engine

Calculate change in entropy when a 3.5kW electrical immersion heater is switched on for 15s in a large tank of water at 10°C

Calculate change in entropy when 1kJ of thermal energy flows from a hot reservoir at 500°C.

Becoming a Tutor

How to make a matrix for this circuit to find the currents

Use junction rule and loop rule.

Could somebody please help me with this physics question?

Could somebody please help me with this physics problem?

i am here for a job as a tutor

Coulomb’s law & Electrons: Solve for L

In need of a refund

A sphere of radius 5.2 mm is moving vertically through air at 8.3 m/s. The viscosity of air is 1.8 x 10^-5 Pas. Calculate the instantaneous acceleration produced on the sphere if its mass was 4.8g.

A small sphere of radius 3.5 mm and mass 2.7 g was dropped through oil of viscosity 0.24 Pas and density 880 kgm^-3. Determine its maximum speed.

Why in chemistry E=q+w and in physics E=Q-W

Does energy of photo electrons depend on light

Find the total electric flux through the cylinder.

Could somebody please help me with these physics questions?

Could somebody please help me with these Physics questions?

How do you solve an integral problem?

THE YANG-MILLS MASS GAP PROBLEM

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