# Math/Physics

210,322 results, page 60

### Quantum Physics

An electron drop to what energy level is likely to emit a photon in the infrared region?

### Physics

An elevator is moving upward at 1.03 m/s when it experiences an acceleration 0.31 m/s2 downward, over a distance of 0.73 m. What will its final velocity be?

### physics

a bomb of mass 5 kg explodes in to two equel fragments. At what angle these fragment fly apart ?

### physics

A car traveling 28 mi/h accelerates uniformly for 6.7 s, covering 555 ft in this time. What was its acceleration? Answer in units of ft/s 2

### physics

on a cool night with no wind, people facing a campfire feel a breeze on their backs explain

### Physics

Determine the tension in a 40 cm long pendulum when a bob of mass 200g moving at 0.7 m.s is 15 degrees from the vertical?

### Physics

someone in a car going past you at the speed of 31m/s drops a small rock from a height of 1.5m.

### Physics

What is the mass of a paratrooper who experiences an air resistance of 400 N and an acceleration of 4.5 m/s2 during a parachute jump.

### physics

state the surface powers required to produce the following lenses with +6.25D front curves. a. -0.50 DS 6. +0.50 DS c. +1.75 DS

### Physics

Find the energy stored in the solid flywheel of mass 8.0×104 and radius 1.8 when it's rotating at 290

### physics

State the surface powers required to produce the following lenses with +6.25D front curves. a. -0.50 DS b. +0.50 DS c. +1.75 DS

### physics

State the surface powers required to produce the following lenses with +6.25D front curves. a. -0.50 DS b. +0.50 DS c. +1.75 DS

### physics

State the surface powers required to produce the following lenses with +6.25D front curves. a. -0.50 DS b. +0.50 DS c. +1.75 DS

### Physics

What is the image distance of a 4 cm tall object placed 40 cm from a concave mirror having a focal length of 10 cm? -13.3 cm 13.3 cm -40.0 cm 40.0 cm

### Physics

What is the magnification of a 4 cm tall object placed 40 cm from a concave mirror having a focal length of 10 cm? 0.33 -0.33 1.33 -1.33 I'm thinking B.

### AP Physics

A 1200 kg car is moving at 33 m/s then has the brakes applied at a deceleration of 6.1 m/s. How far will it move before stopping?

### college physics

A cannonball shot at an angle of 60 Degrees had a range of 196m. What was its initial speed?

### Physics

What push parallel to a 42 incline is required to just start a 340 N block sliding up the plane? us = 0.6

### Physics

how much potential energy does Tim, with a mass of 62.0kg, gain when he climbs a gymnasium a distance of 3.8m?

### Physics

how much potential energy does Tim, with a mass of 62.0kg, gain when he climbs a gymnasium a distance of 3.8m?

### Physics Help!

Find the total kinetic energy content of 1.55 moles of an ideal gas at temperature 435 K

### physics

calculate the period of a ball tied to a string of length 1.9 m making 1.5 revolutions every second

### physics

calculate the period of a ball tied to a string of length 1.9 m making 1.5 revolutions every second

### physics

find the change n momentum of a 1120-kg car that increases its speed / what minimum force is need to do this?

### Physics

Steam of mass 11.0 g at 100°C is added to 114.8 g of ice at 0.00°C. Find the final temperature of the system.

### Physics

A long jumper leaves the ground at an angle of 24.3◦ to the horizontal and at a speed of 10.6 m/s. How far does he jump?

### physics

A standing wave has a wavenumber 200 rad/m. What is the distance between two adjacent nodes?

### physics

you are to determine the amount of sugar dissolved in solution. how can you use polaroid filters to complete the task?

### physics

Which consumes more energy, a 1.5 kW hair dryer used for 10 min or a 10 W night light left on for 19 hr?

### Physics

When an inflated baloon is been put in the freezer for 15 minutes, which of the ideal gas law is the observation

### physics

3 points particles with masses 4kg,2kg,3kg are at the corners of equilateral triangle of side m =2m.

### PHYSICS DUE SOON

A 95.1-g ice cube is initially at 0.0°C. (b) What is the change in entropy of the environment in this process? ___________J/kg

### PHYSICS HELP

1 1200kg car is accelerating at 1.6m/s/s. If the coefficient of friction is .15, what is the force supplied by the engine? please help! urgent!

### physics

A block of mass 25.5 kg is released on a ramp with an angle of 31.70 degrees. The coefficient of friction is 0.45. Find the acceleration.

### physics

show that none of the principal moments of inertia can exceed the sum of the other two Please help me thank you

### physics

A 1.56kg seagull dives through the air and gains 4495 of energy.What is the birds speed?

### Physics

a child twirls a yo-yo about in a horizontal circle. The yo-yo has a mass of 0.20 kg and is attached to a string 0.8 m long. what is the velocity of the yo-yo? thanks!

### physics

How much work is needed to lift a 400kg engine upward 1.5 meters out of a car?

### physics

How much work is needed to lift a 400kg engine upward 1.5 meters out of a car?

### physics

How much work is needed to lift a 400kg engine upward 1.5 meters out of a car?

### physics

An Otto engine has a maximum efficiency of 33.1 %; find the compression ratio. Assume that the gas is diatomic.

### Physics

What is the frictional force between the tires of a 2000 kg car and an asphalt road if the coefficient of friction is 1.2?

### Physics

What is the frictional force between the tires of a 2000 kg car and an asphalt road if the coefficient of friction is 1.2?

### PHYSICS

Find the electrical force that exist between two particles having 6.0 mC and 18 nC when they are 0.5cm apart

### physics

How much potential energy does DeAnna with a mass 57.0 kg, gain when he climbs a gymnasium rope a distance of 3.7 m?

### Physics

An object was fired with an initial speed of 33m/s at an angle of 32 degrees from the horizontal. How long was it in the air?

### Physics

The crate, m=68kg, is pushed up an incline, θ=24degrees, at a constant velocity with Fp=500N. μk=?

### science

How can I find the physics behind why a wheel moves faster or slower than other wheels? Is this friction?

### Gr 9 Science - physics

If all 3 resistors in a series 12V circuit are the same, what will the voltage be across resistor no. 3?

### physics

A helicopter blade spins at 110 revolutions per minute. Its tip is 5.50 m from the center of rotation.

### Physics

How far above the surface of the earth would you have to be before your weight is reduced by 12.89%? Please Help !

### Physics

If a bullet was fired straight up at a speed of 30 m/s, what would be the total time for it to return to its starting point?

### Physics

If a bullet was fired straight up at a speed of 30 m/s, what would be the total time for it to return to its starting point?

### Physics

If a bullet was fired straight up at a speed of 30 m/s, what would be the total time for it to return to its starting point?

### Physics

If a bullet was fired straight up at a speed of 30 m/s what would be the total time for it to return to its starting point?

### Physics

Your friend of mass 150 can just barely float in fresh water. Find her volume.

### Physics

To rearrange the furniture in your room, you need to exert a force of 20 N to push your desk 10 m. How much work do you do?

### physics 112

what is meant by a change in temp of 1 degree celcius on the scale of a platinum resistance thermometer

### Physics

While sitting in class your body exerts a force of 600 N on your chair. how much work did you do?

### Physics

A meteoroid is speeding through the atmosphere, traveling east at 19.0 km/s while descending at a rate of 12.9 km/s. What is its speed, in km/s?

### Physics

How much energy is released when 1 gram of steam condenses to water at 100 degrees Celsius?

### physics

in order to catch a fast moving softball with your bare hand doing this reduce the catching forcebecause the what

### Physics

Two resistors 3 Ù and 6 Ù are connected in parallel across a 6 V battery. What is the current flow through the 3 Ù resistor?

### Physics

A shopper stands 0.6 m in front of a diverging mirror of focal length 0.2 m. Where is the image located and what is the magnification?

### Physics 202

Find the period of a satellite with a circular orbit 350 above Earth's surface.

### Physics, Please Help

How much time does it take a pulse of light to travel through 120 m of water?

### physics

At what distance is the electrostatic force between two protons equal to the weight of one proton?

### Physics

A car travells 20 km due north and then on a bearing of 90 degrees for 12km. Use a scale drawing.

### physics

For a simple 15 upward ramp, what length would be needed for a runaway truck traveling 140 ?

### Physics

You're sailboarding at 7.0 m/s when a wind gust hits, lasting 6.8 s accelerating your board at 0.47 m/s2 at a 35 degrees to your original direction.

### Physics

If a light bulb draws 60 watts and I leave it on for 5 hours, how much energy has been consumed?

### Physics

A 100kg steel beam falls from rest from a height of 20m, Find its impact speed.

### Physics

Plane flying southwest at 155mi/hr. their is a wind from the west at 45.0mi/hr. what's the planes new velocity

### Physics

Let U=(13i3−i). What is U†? Explicitly indicate multiplication with a * symbol. For instance, you should write 3*i+2 instead of 3i+2.

### Physics

Calculate the speed in m/s at which Earth revolves about the Sun. You may assume the orbit is nearly circular.

### physics

What is the orbital radius and speed of a synchronous satellite which orbits the earth once every 24h?

### Physics

A mass of 100 gram is fallen down,which will be the kinetic energy after 5 second of its fall?

### Physics

500 calories of heat is added to 2.0 g of water at 80 degrees Celsius. How much steam is produced?

### Physics

Let U=(13i3−i). What is U†? Explicitly indicate multiplication with a * symbol. For instance, you should write 3*i+2 instead of 3i+2.

### physics

At what height above Earth's surface is the gravitational acceleration reduced from its sea-level value by 0.60%?

### physics

If you do 110 J of work to elevate a bucket of water, how much energy did you add to the gravitational field?

### physics

If your boat weighs 1400 N, how much water will it displace when it’s floating motionless at the surface of a lake?

### Physics

6. If your boat weighs 1200 N, how much water will it displace when it’s floating motionless at the surface of the lake?

### college physics

a bus that is traveling at 30.0km/h speeds up at a constant rate of 3.5m/s2. what velocity does it reach 6.8s later?

### Physics

An iron railroad track 1000 feet long is at a temperature of 0 oC. How much does it expand when heated to 33 oC?

### physics

the sounds of a cricket gets stronger as you get closer to it. if you get twice as close, how much louder will the sound be?

### physics

how long 1.2kw electric kettle take to heat 0.8kg of water from 20c to 100c?

### physics

waves in a lake are observed to be 5 cm in length and to pass an anchored boat .8 s apart. the speed of the wave is

### physics

What is the maximum acceleration a car can undergo if the coefficient of static friction between the tires and the ground is .90

### physics

For non-conservative forces, the work done does depend upon the path taken. True or False?

### Physics

A 3 cm flower is placed 40 cm from a converging lens with a focal length of 15 cm. What are the orientation, size and type of the image?

### physics

an airplane taking off from a landing field has a run of 500m. Calculate the average acceleration in ft/s2.

### Physics

A body with a mass of 75 kg is located at a height of 20 m. If it is allowed to free fall to the ground. What will be its velocity on impact?

### physics

A20 kg box is suspended from the ceiling by robe that weight of the rope is 1kg find the tension

### physics

if the direction of a magnetic field around a straight wire is counterlcockwise, which direciton is the current traveling?

### Physics

determine the image distance for an object that is 45.0 cm from a double convex lens having a focal length of 15.0 cm

### Physics

Newtons second law What net force acting on a 14kg wagon produces an acceleration of 1.5 m/s^2?

### Physics

If the same shoe were dropped from a height of 40m, how many seconds would it take it to hit the floor?

### physics

a body is moving with uniform acceleration of 10m/s2.if it starts from rest calculate its displacement after 5s