Physics!

73,661 results, page 92

physics

A 35,000 kg locomotive is moving at a velocity of 11 m/s east. What is the magnitude of the locomotive's momentum?

Physics

Calculate the water pressure at the bottom of the 110--high water tower

Physics

Help! Calculate the water pressure at the bottom of the 110--high water tower

Physics

A sound wave has a frequency of 686 Hz in air and a wavelength of 0.50 m. What is the temperature of the air?

physics

what will the volume of a gas at 309K if its volume at 215K is 3.42 L? Assume the pressure is constant

Physics

How long is the sound wave if frequency is 320 Hz? Speed of sound =340 m/s

Physics

Take an average 82 kg pet frog, what's it weight on earth? What is it's weight on the moon?

physics

A faint sound with an intensity of 10 -9 W/m2 is measured by an intensity-level meter. What will the reading be in dB?

Physics

When u type on a computer keyboard, do u do work on the computer keys? Pleasee explain

physics

a person travels 1.5 m east then 2 m south then finally 4.5 m east what is the total displacement

physics

How is a parent generation of a fern different from the generation that comes before or after it?

Introduction to Physics

What is the electric charge on the calcium ion in calcium chloride, CaCl2?

Physics Mechanics

An object experiences an impulse o 43.78 N-s for a time period of 12.52 s. what is the force of the object?

Physics Mechanics

An object experiences an impulse o 43.78 N-s for a time period of 12.52 s. what is the force of the object?

Physics

Which is greater, an acceleration from 30 km/h to 40 km/h or an acceleration from 85 km/h to 93 km/h if both occur during the same time?

Physics

A car rounds a curve with a radius of 25 m at a speed 30 m/s. What is the centripetal acceleration of the car?

Physics

what can be the source of error in lab of forces equilibrium,force board lab?

Physics

what can be the source of error in lab of forces equilibrium,force board lab?

physics

0.5 mol of salt (NaCl) is dissolved in 4.5 mol of water. What is the increase in entropy

Physics

1) what does the y intercept on a force vs acceleration graph represent? 2)what is the relationship of mass and acceleration?

Physics

Calculate the water pressure at the bottom of the 100-m-high water tower

physics

A capacitor has circular plates of radius \(r = 12\,cm\) that are a distance \(d = 0.1\,cm\) apart. What is the capacitance of this capacitor in \(F\)?

physics

You walk 51 m to the north, then turn 30° to your right and walk another 45 m. How far are you from where you originally started?

PHYSICS

The tension in the cable supporting a 4900N elevator is 3800N. What is the acceleration of the elevator?

Physics

If a person lifts a 21.9 kg bucket very slowly from a well and does 8.3 kJ of work on the bucket, how deep is the well?

Physics

Find the tension T2 of the box hanging from the rope if 1 = 25°, 2 = 65°, T1 = 60.58 newtons, and W = 143.4 newtons.

PHYSICS, please help quickly

The velocity of an object increases from 5.0 m/s to 15 m/s in 2.0 s. What is the average acceleration of the object? -10 m/s2 -5.0 m/s2 +5.0 m/s2 +10 m/s2

Physics

What is one advantage and one disadvantage of using a ramp? Explain in detail.

physics

A 3kg ball is accelerated from rest to a speed of 10 m/s. What is the ball's change in momentum?

physics

A heat engine receives 7.0 x 10^3 J of heat and loses 3.0 x 10^3 J in each cycle. What is the efficiency? 1-30% 2-43% 3-57% 4-70% 5-100%

Physics

If the spherical ball is negatively charged.How the mass of the sphere or ball get effected?

Physics

If you try to lift a 2 x 10 plank by applying 25 N force but plank does not move did you do any work?

physics

Given the atmospheric pressure is 10 5pa what is a gauge pressure of 0.55 mpa equal to?

Physics

The acceleration due to gravity on Earth is 9.80 m/s2. If the mass of a dog is 40.0 kg, what is the weight of the dog?

Physics

Hello, I need an example of something that travels 7 m/sec or 10 m/sec. Any ideas?

physics

What force exists between a positive charge of 2.6 x 10-6 C and a negative charge of 4.2 x 10-5 C if they are separated by 8 cm?

physics

If h is 5m and the mass takes 3 s to move the distance d when starting from rest, what is the distance d? PLEASEEEEEE!!!!

physics

What is the acceleration of an object if it takes 10 seconds to increase its velocity by 40m/seconds?

physics

The vectors sum of two vectors of magnitude 10units and 15units can never be

physics

a car travel 100 km at speed of 60 km /h. Calculate the average speed of the journey.

Physics 2

if the average speed of light in a medium is 2.2x10E8 m/s, what is the medium’s index of refraction?

physics

Initial sources of energy used to operate machines were __________ and __________.

Physics

If the thickness of the probe in the direction of B is 1.97 mm, calculate the charge-carrier density (each of charge e).

Physics

If a car is accelerating, is the car's velocity constant. Please sentence explanation.

physics

Starting from rest, the car is going 29 ft/s (20 mi/h) at the end of 5.0 s. What is the car's average acceleration in ft/s2?

Physics

If the acceleration of this block is 5m/s/s, what is the coiefficient of kinetic friction? 20kg at 60 degrees. _ _ _ _ -------------60 degrees

Physics

Calculate the megnatic force on static electron of megnatic field of 1.4 Tesla????

physics

A bicyclist accelerates –0.87 m/s2 during a 3.8 s interval. What is the change in the velocity of the bicyclist and bicycle?

Physics

A particle of mass 2 kg has an initial velocity of (4.5i + 3.5j) m/s. It is acted on by a force (5i -2j) N for 2 s. What is its final velocity?

physics

a force of 3.00 N acts through a distance of 12 m in the direction of the force. find the work done

physics

If tank of 10m height is filled half what will be pressure at bottom of tank

physics

Calculate the mass of the air in a 5 m ✕ 3 m ✕ 2.5 m room, assuming that it is at 1 atm and 19°C.

Physics

An athlete runs 2.76 km east, then turns south and runs another 0.85 km. What is the magnitude of his displacement?

physics 2

to increse intensity o f a wave by a factor of 50, by what factor should the amplitude be increased?

physics

A shuffleboard disk is accelerated at a 9.7m/s^2 from rest to a speed of 6.0m/s. What distance does the disk travel?

Physics

How to determine the work done on the object with a FCosTheta(Y axis)-Displacement(X axis) graph.

physics

Why do you think the wave aspect of light was discovered earlier than its particle aspect?

mathematical physics

Solve the initial value problem. d^2x/dt^2+2dx/dt-3x =0, x(2π) = 1, x(2π) = 13

Physics

If the relative density of a metal is 19 what will be the mass of 20cm^3 of the metal when immersed in water.

Physics 12-grade

Find out if the force is conservative or non-conservative if the work done is W = x^2.y - x.z^3 - z.

physics

the bob of a simple pendulum has a mass of 0.03kg.determine the weight of the bob

physics

The magnetic potential in the region in the given X v=2xy. find magnetic field at (1m, 1m)

University physics

Hi. Can someone please help me on how to perform error analysis on the formulas: r = 1/C, with an error on C.

Physics

A car with a velocity of 21m/s is accelerated uniformly at arate of 1.6m/s for 6.8s. What is its final velocity?

physics

Sound wave with greater amplitude travels farther than that with smaller amplitude?

Physics

A wire of length 2.00m and radius 1.0mm is stretched modulus for the wire

physics dimension

if the gravitational force F is given by F=GM1M2/r^2 derive the dimension of the constant G.

Physics

Two forsec of 5N and 7N act on an object. What are the maximum and minimum of the two forces

Physics

The density of lead is 11.35g.cm.what will be the mass in kilograms of a 2dm sample of lead ?

Physics

The Young's modulus of the material of a wire is 6 x 10^12 N/m2 and there is no transverse strain. The modulus of rigidity is

physics

a 50 kg astronautejects 100 g of gas from his propulsion pistol at a velocity of 50 m/s. what is his resulting velocity?

physics

A bicycle has 67.0 cm diameter wheels turning at 11.2 rev/s. How fast is the bicycle moving?

physics

A 50 kg sign is hanging from the ceiling .calculate the tension in the ropes?30 degree and 20 degree

Physics

The momentum of a 12 kg dog racing to greet its owner is 37 kg m/s. What is the dog’s speed? is Pb-mbvb=(12)(37)=?

Physics

What is the average useful power output of a person who does 5.90×106 J of useful work in 7.90 h?

Physics

A Boy Of 20KG Climbs 10m.Take 10m/s. Calculate the workdone,

PHYSICS

A wave with a frequency of 90.0 Hz travels through steel with a wavelength of 3.46 m. What is the speed of this wave?

Physics

What is the wavelength of a 26250 Hz tone in air? The speed of sound in air is 340 m/s.

physics

a car travels 4km in 3 minutes.find the speed of car in cms-1

Physics

A 23.5 N force acts on a body for duration of 12.0 s. Compute the impulse that the body receives.

physics

A spring extends 10 cm whena mass of 100g is attached to it, when is the spring constant

physics

a motorcyclist drives from a to B with a uniform speed of 30km/h find its average speed

Physics

Show that vector A=_6i^+9j^_12k^ and vector B=2i^_3j^+4k^ are parellel to each other

physics

a body is projected horizontally from height of 78.4 m with a velocity 10 m/s . its velocity after 3 sec

physics

if the weight of the stone was 2 N and the upthrust was 1 N what weight would the force meter show?

Physics

Ho can I calculate the volume of a CD that is 0.75 mm thick has outer diameter of 128 mm and inner diameter of 15 mm.

Physics

What acceleration is imparted to a football when the player kicked it with a force of 25 N? Mass of a football = 0.40 kg.

Physics

You take 4 measurements of the mass of a ball: 2.96 kg, 3.32 kg, 3.31 kg, 3.17 kg. What is the uncertainty of the average mass to 95% confidence? CL=95% N=4 CC=1.84

Physics

A certain spring stores 35.0 J of potential energy when it is compressed by 9.2 cm. What is the spring constant?

physics

A car travels 20 km southwards and then another 30 westwards. What is the displacement of the car from its initial position?

Physics

Two bodies with equal momentum have KE in the ratio 5:4. What will be the ratio of their masses be?

Physics

How much energy W needed to compress a spring from 15 cm to 10 cm if the constant of the spring is 150 N/m.

physics 1

Q4= The unit of mass in S.I. unit is? a. kilogram b. gram c. tonne d. quintal e. newton

Physics

In projectile motion, what angle would the same distance as a 45 degree angle?

physics

a car is slowing down while it is moving west. the direction on the car is ?

Pressure in Physics

Calculate the pressure of the body with mass 60kg and area of 10m2.

Physics

state the finctions of double wall,silver wall and cork sttoper -

Physics

The resistance of 10 ft length of a 20 mil iron wire is 1.8 ohms. What is the resistivity of the iron?

addition vectors (physics)

75 km at 25° north of east, then 75 km at 65° south of west, and then 75 km due south

Physics

Two resistors each of 15 Ohm and 10 Ohm are in parallel, find the effective resistance

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