Math/Physics

209,467 results, page 34

physics

what is tangential velocity of the earth as it travels in its orbit around the sun?

Physics

Calculate the volume of a spherical balloon which has a surface area of 0.0793 m2

physics

Calculate the number density of strontium titanate (SrTiO3), ρ = 5.12 g cm -3

physics

What is the height of 3.0 meter ladder leans against a wall 37 degree.

Physics

What are the components of a vector of magnitude 1.5 m at an angle of 35 degrees from the positive x-axis?

Physics

Show that work done in a wire, E=YAsqr(e)/2l, explainthe symbols. pls help.thanks

Physics

a sled is capable of reaching speeds of 450 m/s in 1.82 s then stopped in 1.92 s what is the acceleration

Physics

What is the efficiency of an athlete who consumes 3000kcal of food and does 2.5 x 10*6 J of useful work?

AP Physics B

What's the equation to find the maximum height after a spring decompresses?

physics

Suppose that you have a circle with a radius of 4.02 ± 0.39 m, what is the calculated uncertainty in the area?

physics

Carrying out the following mathematical manipulations: (5.78 +/- 0.04)^2 How do you set this problem up?

Physics

If a 75-kg skater starts his skate at 8.0m, at his lowest point (height = 0), what is his velocity?

physics

A car has an acceleration of 16 pc/y2. This value can be CONVERTED into which of the following units?

physics

what is the kinetic energy of a 200 g bullet travelling at a velocity of 400 m/s?

physics

how does temperature affect the time it takes to reach thermal equilibrium?

physics

a car accelerates from 5 m/s to 21 m/s at a rate of 3m/s^2 how far does it travel while accelerating

physics

there is any peak shift between bulk and nano materials in xrd.

Physics

Calculate the magnitude of the potential difference between points a and b in the figure if R1=2.36 Ù, R2=4.29 Ù,and R3=10.08 Ù.

Physics

If the amplitude of a sound wave is quadrupled, by what factor will the intensity increase?

physics

the kilowatt-hour is a unit of: force, work, power, or time?

Physics

How many calories are released when 3 grams of 100º C steam turns to 0º C ice

physics

A mass is attached to a string and then dropped. What is its velocity after 5 sec?

Physics

How much work is done in accelerating a 2000 kg car from rest to a speed of 30 m/s?

Physics

A rock is dropped from a height of 2.7 m. How fast is it going when it hits the ground?

PHYSICS

Determine the equivalent capacitance between A and B for the group of capacitors in the drawing. Let C1 = 12 µF and C2 = 4.0 µF.

physics

how high does a stone rise if it initially thrown at a rate of 15m/s?

physics

traveling at 27.78 m/s with a deceleration rate of 5m/s squared.....How long will it take you to decelerate to 0.

physics

traveling at 27.78 m/s with a deceleration rate of 5m/s squared.....How long will it take you to decelerate to 0.

physics

Three charges, +2.5 µC, -4.3 µC, and -6.0 µC, are located at (-0.20 m, 0.15 m), (0.50 m, -0.35 m), and (-0.42 m, -0.32 m), respectively. What is the electric field at the origin?

physics

Three charges, +2.5 µC, -4.3 µC, and -6.0 µC, are located at (-0.20 m, 0.15 m), (0.50 m, -0.35 m), and (-0.42 m, -0.32 m), respectively. What is the electric field at the origin?

physics

what can you say about the forces on a brick lying still on the floor?

physics

At what distance (in m) from a 3.8 mC charge is the electric potential equal to 32 V? (k = 9 x 109 Nm2/C2)

physics

if the initial velocity is .05 m/s and its final is 1.3 m/s then how much energy is lost to friction

physics

A hunk of cast concrete with a weight of 10 N will float if it displaces 10 N of water.

physics

How much voltage is there in a circuit with a resistance of 12 ohms and a current of 3 amps

physics

state 8 object each used in sport and welfare,which may be considered as projectile

physics

Why is it impossible for a material to have an index of refraction less than one

physics

How does pressure work as a restoring force to create a sound wave?

science physics

describewhat is an importance of microscope to mankind it's urgent please help?

Physics

A block of mass 5kg is lifted 2m in 3sec. Find the work done.

physics

what is the speed of light moving through a medium of index refraction 2.45?

Philosophy

In what ways can we say that quantum physics both is and is not classical science?

Physics Class

The equation describing the motion of an object is y=0.8cos(4.2t+0.32). What is its period?

physics

what is the gravitational force on a 60k person on the earth, due to the moon?

physics

if you kick a football at a 30 degree angle, how many seconds is it in the air, and how high does it go

PHYSICS !!!!!!!!!!!!!!!!!!!!!!!!!!!!

a wave has a frequency of 2 Hz. find its period ? please show work.....

physics

what is the diameter if a 1.00m tungsten wire whose resistence is 0.22 ohms?

physics

what is the diameter of a 1.00 m length of tungsten wire whose resistance is 0.22 ohms?

Physics(Please Help!!)

how do you solve the following equation: 77.18 kg* 9.81* 5.83 divided by 4.37 and what does the asterisk stand for

physics

Can a metal sphere of radius 1cm hold a charge of 1coloumb

physics

How will changing the charge change the electric field strength at a distance?

Physics

Using the Bohr model of hydrogen, find the linear momentum, when n=3.

physics

What emf is required to cause 12 amperes to flow through a resistance of 7.2 ohms?

physics

i need to make a working model on the applications of electric generator

physics

when you peddle a cycle, it goes fowrward, when you backpeddle-nothing happens. why?

College Physics

What is the momentum of an automobile (weight = 9700 N) when it is moving at 36 m/s to the south?

physics

What is the momentum of an automobile (weight = 9800 N) when it is moving at 36 m/s to the south? magnitude

physics

A body of mass 20kg dropped from a height of 2m calculate the workdone?

physics

What current flows when a 40 v potential difference is imposed across a 1.8 kÙ resistor?

Physics

True or False Light is both a mechanical wave and a particle

Physics

What hanging mass will stretch a 1.9-m-long, 0.54 - diameter steel wire by 1.2 ?

Physics

If 60 Cal. are added to 6 g. of iron at 20 degrees Celsius what is the final temp.

physics

A BODY THROWN UPWARD ALWAYS FALLS ON THE GROUND ,EXPLAIN IT?

physics

two velocities each 5 ms-1 are inclined to each other at 60 degrees find the resultant

physics

A piece of metal has a density of 0.20g/cm^3.what is the volume in cm^3 of a 1g sample of a substance?

Phys Science

ok i posted it twice and no one has yet to help me about my physics

Physics

All the formulars for solving motion under gravity and waves

physics

how to explain the relationship between the mass of the rotating object and its period?

physics

one electron travels twice as fast as another. Which has the longer wavelength?

physics

How much work is done when a mass of 30N is lifted vertically through 6m

physics

A bus traveling at 30.0km/h accelerates at a constant 3.5 m/s^2 for 6.8s. what is its final velocity?

physics

how do you find a becquerel in a radioactive element without a radiation meter?

physics

An electron travels 7.63 m in 7.33 × 10−8 s. How fast does it travel? Answer in units of cm/s

Physics

You carry a 20 n box 5 m horizontally across a room. The work you do is? Is 4 J correct?

physics

How would you draw 4 cm 45 degrees north of east plus 4 cm west?

physics

An electron travels 3.75 m in 6.41 × 10−8 s. How fast does it travel? Answer in units of cm/s

physics

A nail is dropped from a height of 400m. How long does it take to land?

physics

what is the average velocity of a vehicle that uniformly accelerates from rest to 38 fps?

science[physics]

why is the pressure more on ground when a person is walking than when he is standing ?

physics

why is it wrong to think of a scientific law as a universal statement of truth?

physics

a car requires a velocity of 32 m/s assuming that its acceleration is uniform, what is its value?

physics

How do we compensate for thermal expansion /contraction in the construction of steel bridges?

physics

How do we compensate for thermal expansion /contraction in the construction of railway tracks?

Physics

what equation would I use to find the magnitude of the mass's velocity?

physics

If a bug traveled a distance of 180 meters at a speed of 15 m/s, what was the time?

Physics

At 7.65 cents per kilowatt-hour, what does it cost to operate a 8.00 hp motor for 7.00 hr?

physics

What is the acceleration for the turtle moving with constant velocity of 5m/s to tghe right

physics

a 50 kg person has a weight of 80 N on the surface of the moon what is the acceleration due to gravity

physics

What acceleration will you give to a 24.2 kg box if you push it horizontally with a net force of 82.0 N?

Physics

How much force is required to accelerate 7.0 g object at 11000 "g's" in a centrifuge?

Physics

How do you get the velocity of a particle given a potential energy diagram and its mass?

Physics

What is the wavelength of radio waves of frequency 1400 kHz? (a) 42.9 (b) 214 (c) 42.9 (d) 3*10^8

physics help please

What are the small-amplitude period and frequency of a 10.0 m long pendulum?

physics

a 40kg girl climbs a vertical ladder at .5 m/s. what is her power output?

Physics

An airplane has an airspeed of 100km/h north. if there is a 30km/h headwind what is its groundspeed

Physics(light)

why the ray reflected by the prism is brighter than that by the plane mirror?

Physics

A block of mass m = 5.2 kg is pulled up a è = 24° incline as in the figure with a force of magnitude F = 34 N.

Physics help pleasee

How much power is generated by a 90 kg sprinter that accelerates up to 9.0 m/s in 2.8 seconds?

physics

a ball is thrown up vertically and caught at 9.3 sec. what is the intial velocity

physics

a 8.0 kg object undergoes an acceleration of 2.2 m/s squared.what is the resulting force acting on it?

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