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07/20/22

Physics problem about two different liquids

There are two immiscible layers of different liquids in a bowl, the densities and the thicknesses are ρ1, ρ2, h1, h2, respectively. Then, a small ball is placed to sink from the surface of the... more

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Physics Act Science

07/20/22

A liquid of density ρ is in a container with bottom area S. How much will the level of that liquid rise in the container if we throw a non-sinking object of mass m into the container?

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Physics Act Science

07/20/22

Physics question about gas pressure

We have a closed frustoconical container filled with compressed gas. Are the forces that the gas is exerting equally pressing the flat sides of the container (bottom and top)? If not, then why does... more

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Physics Act Science

07/20/22

A ball and a cube of equal mass lie on the floor. Both bodies are lifted up to the ceiling. In which case more work is done?

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Physics

07/20/22

physics question 13

A small block has constant acceleration as it slides down a frictionless incline. The block is released from rest at the top of the incline, and its speed after it has traveled 6.80 mm to the... more

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Physics

07/20/22

physics question 16b

A rocket starts from rest and moves upward from the surface of the earth. For the first 10.0 ss of its motion, the vertical acceleration of the rocket is given... more

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Physics

07/20/22

phys 16 qestion

A rocket starts from rest and moves upward from the surface of the earth. For the first 10.0 ss of its motion, the vertical acceleration of the rocket is given... more

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Physics

07/20/22

physics question 2

A juggler throws a bowling pin straight up with an initial speed of 8.40 m/sm/s.For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Up-and-down motion in... more

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Physics

07/20/22

physics question

A small block has constant acceleration as it slides down a frictionless incline. The block is released from rest at the top of the incline, and its speed after it has traveled 6.80 mm to the... more

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Physics

07/20/22

car that weighs 1200kg travels at 17 m/s and quickly stops. the car slides. coefficient of friction is 0.89. what is the distance the car slid?

doing a physics question due tonight and im stuck... please help

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Physics

07/18/22

What is the resistance 𝑅R of a 47.1-47.1-m-long aluminum wire that has a diameter of 8.45 mm?8.45 mm

What is the resistance 𝑅R of a 47.1-47.1-m-long aluminum wire that has a diameter of 8.45 mm?8.45 mm? The resistivity of aluminum is 2.83×10−8 Ω·m.

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Answers •2

Physics

07/18/22

Hydrostatic pressure of pool water

Indoor Pool / 175,000 gallonsWhat is the pressure of the water (psi) when the drain opens to allow it to empty ?

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Physics

07/18/22

quantum electrodynamics

When In quantum electrodynamics when using a stopwatch to “time” the movement of a photon to find the direction of its arrow representing the probability amplitude, why does the stopwatch have to... more

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Physics Chemistry

07/18/22

What is positive charge?

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Physics

07/17/22

An aluminum wing on a passenger jet is 37 m long when its temperature is 23°C. At what temperature would the wing be 7 cm (0.07 m) shorter?

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Physics

07/17/22

An iron vat is 18 m long at room temperature (20°C). How much longer is it when it contains boiling water at 1 atm pressure?

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Physics

07/17/22

An iron vat is 18 m long at room temperature (20°C). How much longer is it when it contains boiling water at 1 atm pressure?

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Physics

07/16/22

physics question

A 595-g squirrel with a surface area of 925 cm2 falls from a 5.2-m tree to the ground. Estimate its terminal velocity. (Use the drag coefficient for a horizontal skydiver. Assume that the squirrel... more

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Physics

07/16/22

What are the magnitude and direction of electric field midway between these two charges? (k = 1/4πε0 = 9.0 × 109 N • m2/C2)

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Physics

07/15/22

A body covers 200 c m in the first 2 seconds and 220 c m in the next 4 seconds. The velocity of the body at the end of the 7 t h second is :

a. 40m/sb. 200m/sc. 10m/sd. 5m/s

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Physics

07/14/22

Is centrifugal force inertia of motion?

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Physics Math

07/14/22

A person travels first half time with speed u, and next half time with speed v. Find the avg speed

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Physics

07/14/22

the phase of the spring oscillator when it is first 2 cm away from the equilibrium position is:

If a horizontally placed spring oscillator pulls 4 cm positive along the X axis and then releases, the phase of the spring oscillator when it is first 2 cm away from the equilibrium position is:A.... more

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Physics

07/14/22

Which end has the higher pressure, the thick end or the fine end, give out the pressure difference between them.

A water pipe has a thick and a fine end. The radius of the thick is 3cm, and the radius of the fine is 1cm. The thick end is 6 meters higher than the fine end. Ask: how about the flowing speed in... more

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Physics

07/14/22

Which end has the higher pressure, the thick end or the fine end, give out the pressure difference between them.

A water pipe has a thick and a fine end. The radius of the thick is 3cm, and the radius of the fine is 1cm. The thick end is 6 meters higher than the fine end. Ask: how about the flowing speed in... more

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Physics problem about two different liquids

A liquid of density ρ is in a container with bottom area S. How much will the level of that liquid rise in the container if we throw a non-sinking object of mass m into the container?

Physics question about gas pressure

A ball and a cube of equal mass lie on the floor. Both bodies are lifted up to the ceiling. In which case more work is done?

physics question 13

physics question 16b

phys 16 qestion

physics question 2

physics question

car that weighs 1200kg travels at 17 m/s and quickly stops. the car slides. coefficient of friction is 0.89. what is the distance the car slid?

What is the resistance 𝑅R of a 47.1-47.1-m-long aluminum wire that has a diameter of 8.45 mm?8.45 mm

Hydrostatic pressure of pool water

quantum electrodynamics

What is positive charge?

An aluminum wing on a passenger jet is 37 m long when its temperature is 23°C. At what temperature would the wing be 7 cm (0.07 m) shorter?

An iron vat is 18 m long at room temperature (20°C). How much longer is it when it contains boiling water at 1 atm pressure?

An iron vat is 18 m long at room temperature (20°C). How much longer is it when it contains boiling water at 1 atm pressure?

physics question

What are the magnitude and direction of electric field midway between these two charges? (k = 1/4πε0 = 9.0 × 109 N • m2/C2)

A body covers 200 c m in the first 2 seconds and 220 c m in the next 4 seconds. The velocity of the body at the end of the 7 t h second is :

Is centrifugal force inertia of motion?

A person travels first half time with speed u, and next half time with speed v. Find the avg speed

the phase of the spring oscillator when it is first 2 cm away from the equilibrium position is:

Which end has the higher pressure, the thick end or the fine end, give out the pressure difference between them.

Which end has the higher pressure, the thick end or the fine end, give out the pressure difference between them.

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