Newest physics Questions | Wyzant Ask An Expert

Physics Math Calculus Differential Equations

04/28/23

Microhydrodynamics Flow analysis (Taylor series expansion solution to a flow field)

Consider the flow field given by ui=Fj[δij/x + xixj/x3], where |xi| = x. a) By taking the first two terms of a Taylor series about a point xi --> yi where (xi -yi)Fi=0 determine the form of the... more

Follows • 1

Answers •1

Physics Chemistry

04/27/23

12 g of dry ice (solid CO_2) is placed in a 7000 cm^3 container, then all the air is quickly pumped out and the container sealed. The container is warmed to 0∘C, a temperature at which CO_2 is a gas.

What is the gas pressure? Give your answer in atm.The gas then undergoes an isothermal compression until the pressure is 2.8 atm , immediately followed by an isobaric compression until the volume... more

Follows • 2

Answers •1

Physics

04/27/23

A light ray is passing through water towards the boundary with a transparent solid at an angle of

A light ray is passing through water towards the boundary with a transparent solid at an angle of 56.4”. Thelight refracts into the solid at an angle of refraction of 42.1". Determine the index of... more

Follows • 1

Answers •1

Physics

04/27/23

Dolphins make sounds in air and water. What is the ratio of the wavelength 𝜆a of a sound in air at sea level to its wavelength 𝜆s in seawater if the speed of sound in water at that specific location

Dolphins make sounds in air and water. What is the ratio of the wavelength 𝜆a of a sound in air at sea level to its wavelength 𝜆s in seawater if the speed of sound in water at that specific... more

Follows • 1

Answers •1

Physics

04/26/23

If a piece of paper is illuminated with white light(RGB) and the paper appears magenta, the paper absorbs __________ light.

Follows • 1

Answers •1

Physics

04/26/23

The flag below is being viewed in white light. What colors would the flag appear from top to bottom when viewed in cyan light?

Follows • 1

Answers •1

Physics

04/26/23

Light passes from air into water at an angle of incidence of 40.8°. Determine the angle of refraction in the water.

Follows • 1

Answers •1

Physics Math Science Calculus

04/25/23

static equilibrium

A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 300 N and is 4.50 m long. What is the tension in each rope when the 600-N worker stands 1.30... more

Follows • 1

Answers •1

Physics Math Biology Calculus

04/25/23

Static Equilibrium Question; Please Help.

A person is standing on a diving board that is supported by two springs, one at each end. The diving board weighs 200 N and is 2.0 m long. What is the force exerted by each spring when a 500-N... more

Follows • 1

Answers •1

Physics

04/25/23

If the exposed ends of the two rods in question 5 are kept at 0oC and 52oC

What is the rate of heat conduction across both rods due to the temperature difference between the ends given the cross-sectional area of the rods to be 0.010m2?Answer: _____ W

Follows • 0

Answers •1

Physics

04/25/23

How much energy is required to melt a 5.0-g ice cube at 0oC and bring it up to a temperature of 25oC? The specific heat of water is 4186J/kg/oC, and the latent heat of fusion of water is 334kJ/kg.

Answer: _____ x10^3J

Follows • 1

Answers •1

Physics

04/24/23

Physics - Measure Speed of Sound

3) Suppose that the apparatus shown in the figure to the right is to be used to measure the speed of sound. The apparatus contains a tube that is open on both ends which has been placed into a... more

Follows • 1

Answers •1

Physics

04/24/23

An ideal spring hangs from the ceiling. A 1.25 kg mass is hung from the spring, stretching the spring a distance 𝑑=0.0895 m from its original length when it reaches equilibrium

An ideal spring hangs from the ceiling. A 1.25 kg mass is hung from the spring, stretching the spring a distance 𝑑=0.0895 m from its original length when it reaches equilibrium. The mass is then... more

Follows • 2

Answers •1

Physics Algebra 2 Calculus Precalculus

04/24/23

Suppose an object is dropped from a lunar cliff and its speed in ft/sec. after t seconds is given by v(t)=5.3t

If the object lands after 5 seconds, how high (in ft) is the cliff?

Follows • 1

Answers •3

Physics Algebra 1 Algebra 2 Calculus

04/24/23

object is thrown down from a cliff with an initial speed of 4 feet per sec, and its speed in ft/sec after t seconds is given by s(t)=32t+4.

If the object lands after 8 seconds, how high (in ft) is the cliff?

Follows • 1

Answers •3

Physics Algebra 2 Calculus Sat Math

04/24/23

A train travels along a track and its speed (mph) is given s(t)=29t for the first half hour. Its speed is constant and equal to s(t)=29/2 after the first half hour. t is in hours.

How far (miles) does the train travel in the first hour?I think I am supposed to combine the areas of two shapes.

Follows • 1

Answers •1

Physics

04/23/23

The image of the United States postage stamps in the figure below is 1.60 times the size of the actual stamps in front of the lens.

Determine the focal length of the lens if the distance from the lens to the stamps is 2.59 cm.

Follows • 1

Answers •1

Physics

04/23/23

A magnifying glass has a converging lens of focal length of 10.3 cm. At what distance from a nickel should you hold this lens to get an image with a magnification of +1.53?

Follows • 1

Answers •1

Physics

04/23/23

What is this asking and how do I solve for it?

A 1.00-mol sample of an ideal monatomic gas is taken through the cycle shown in the figure. The process A → B is a reversible isothermal expansion... more

Follows • 2

Answers •1

Physics Math Algebra 1 Algebra 2

04/23/23

Rotational Motion Physics - Please help on all parts!

The figure shows a solid, uniform cylinder of mass 7.00kg and radius 0.450 m with a light string wrapped around it. A 3.00-N tension force is applied as shown to the string, causing the cylinder to... more

Follows • 2

Answers •1

Physics

04/23/23

Could you please help me with the questions below?

Consider a random substitutional binary alloy, consisting of Na "A" atoms and Nb "B" atoms. Both types of atoms have Z neighbors. Only nearest neighbor interactions are considered. The bond... more

Follows • 1

Answers •1

Physics

04/23/23

Physics question

A 5.93 kg block is placed at the top of a frictionless inclined plane angled at 22.4 degrees relative to the horizontal. When released (from rest), the block slides down the full 4.99 meter length... more

Follows • 1

Answers •1

Physics

04/23/23

Find the difference between 2 unit vectors. The angle between them is 90 right? So 1+1-2cos90 should be 2 and thus the answer should be root 2, why do we find the angle to be 60 and then solve the Q?

Follows • 2

Answers •1

Physics

04/23/23

An aluminum bat is 17 m long at a room temperature 20°C. How much longer is it when it contains boiling water at one ATM pressure

An aluminum bat is 17 m long at room temperature 20°C. How much longer is it when it contains bowling water at one ATM pressure

Follows • 1

Answers •1

Physics

04/22/23

A tuning fork produces a signal of 530 Hz. What frequency is...

1) A tuning fork produces a signal of 530 Hz. What frequency is(a) two octaves below this frequency?(b) three octaves above this frequency?2) Certain pipe organs can act like air columns that are... more

Follows • 1

Answers •1

Microhydrodynamics Flow analysis (Taylor series expansion solution to a flow field)

12 g of dry ice (solid CO_2) is placed in a 7000 cm^3 container, then all the air is quickly pumped out and the container sealed. The container is warmed to 0∘C, a temperature at which CO_2 is a gas.

A light ray is passing through water towards the boundary with a transparent solid at an angle of

Dolphins make sounds in air and water. What is the ratio of the wavelength 𝜆a of a sound in air at sea level to its wavelength 𝜆s in seawater if the speed of sound in water at that specific location

If a piece of paper is illuminated with white light(RGB) and the paper appears magenta, the paper absorbs __________ light.

The flag below is being viewed in white light. What colors would the flag appear from top to bottom when viewed in cyan light?

Light passes from air into water at an angle of incidence of 40.8°. Determine the angle of refraction in the water.

static equilibrium

Static Equilibrium Question; Please Help.

If the exposed ends of the two rods in question 5 are kept at 0oC and 52oC

How much energy is required to melt a 5.0-g ice cube at 0oC and bring it up to a temperature of 25oC? The specific heat of water is 4186J/kg/oC, and the latent heat of fusion of water is 334kJ/kg.

Physics - Measure Speed of Sound

An ideal spring hangs from the ceiling. A 1.25 kg mass is hung from the spring, stretching the spring a distance 𝑑=0.0895 m from its original length when it reaches equilibrium

Suppose an object is dropped from a lunar cliff and its speed in ft/sec. after t seconds is given by v(t)=5.3t

object is thrown down from a cliff with an initial speed of 4 feet per sec, and its speed in ft/sec after t seconds is given by s(t)=32t+4.

A train travels along a track and its speed (mph) is given s(t)=29t for the first half hour. Its speed is constant and equal to s(t)=29/2 after the first half hour. t is in hours.

The image of the United States postage stamps in the figure below is 1.60 times the size of the actual stamps in front of the lens.

A magnifying glass has a converging lens of focal length of 10.3 cm. At what distance from a nickel should you hold this lens to get an image with a magnification of +1.53?

What is this asking and how do I solve for it?

Rotational Motion Physics - Please help on all parts!

Could you please help me with the questions below?

Physics question

Find the difference between 2 unit vectors. The angle between them is 90 right? So 1+1-2cos90 should be 2 and thus the answer should be root 2, why do we find the angle to be 60 and then solve the Q?

An aluminum bat is 17 m long at a room temperature 20°C. How much longer is it when it contains boiling water at one ATM pressure

A tuning fork produces a signal of 530 Hz. What frequency is...

Still looking for help? Get the right answer, fast.

OR

RELATED TOPICS

RELATED QUESTIONS

how does surface area affect rate of active transport?

how many days are in 2 million seconds?

how many days are in 2 million seconds?

RECOMMENDED TUTORS

find an online tutor