# long physics E&M

88,774 results

### spelling

long vowel what about long vowels? A long vowel says its name. Example. long a - fA vor, pAy, long e - lE ver sEep long i - bIke, rIght long o - Open, clOse long u - flU , slUe

### Physics

If you suddenly multiplied the mass of Earth by a factor of 4, how would the period of a satellite change, if the radius of its orbit did not change? 4 times as long 1/4 as long 2 times as long 1/2 as long Unchanged

### Physics

The acceleration of gravity on the moon is about 1.6 m/sec2. An experiment to test gravity compares the time it takes objects to reach a speed of 10 m/sec after being dropped from rest. How long does an object dropped on the moon have to fall compared to an object dropped on ...

### physics

A graphite rod is 1.0 m long, with a 1.0 cm by 0.5 cm rectangular cross sectional area. What is the electrical resistance between its long ends? What must be the diameter of a circular 2.0 m long copper rod if its resistance is to be the same?

### physics

A friend in a spaceship travels past you at a high speed. He tells you that his ship is 20m long and that the identical ship you are sitting in is 19m long. According to your observations, (a) how long is your ship?? (B) how long is his ship?? (c) what is the speed of your ...

### [Physics] super hard/long circuit problem

I have this last one which is really long/hard. It's so long that I just decided to scan the whole problem. So here it is... and thanks everyone for the help so far! h t t p ://img201.imageshack.us/my.php?image=circuit5ij7.png *remember to delete spaces or it won't load!

### Physics

Suppose you have a pinhole camera which is 5 cm long between the hole and the film. You photograph a 1 cm long bug that is 10 cm in front of the pinhole. How long will the image of the bug be on the film?

### PHYSICS

vector B is 3.46 units long toward the east. Vector A is 4.00 units long 30 degrees N of E. How long and in what direction is C = A - B?

### physics

Vector B is 3.46 units long toward the east. Vector A is 4.00 units long 30 degrees N of E. How long and in what direction is C = A - B?

### Physics

A piece of copper wire if it is initially 2.11cm long and it changes to 20.12 cm long. What is the change in temperature if the coefficient of linear expansion is 16.66x10^-6 oC

### physics

A farm boy studying physics believes that he can fit a 15.0 m long pole into a 12.0 m long barn if he runs fast enough (carrying a pole). Can he do it? Explain in detail.How does this fit with the idea that when he is running the barn looks even shorter to him than 12.0 m ?

### physics

A wet bar of soap slides freely down a ramp 2.0 m long inclined at 6.8o. How long does it take to reach the bottom? Neglect friction.

### Physics

On a sunny day, a 1.20 m long vertical stick in air casts a shadow 1.20 m long. If the same stick is held vertically and touching the flat bottom of a pool of salt water (n=1.71) half the height of the stick, how long is the shadow on the floor of the pool?

### physics

On a sunny day, a 1.20 m long vertical stick in air casts a shadow 1.20 m long. If the same stick is held vertically and touching the flat bottom of a pool of salt water (n=1.71) half the height of the stick, how long is the shadow on the floor of the pool?

### physics

An airplane starts from rest and moves forward with a constant acceleration of 5 m/s2 along a runaway 250 m long. How long does it take the plane to reach a speed of 46.0 m/s?

### Physics

A wet bar of soap slides down a ramp 9.4 m long inclined at 8.0âˆ˜ . How long does it take to reach the bottom? Assume Î¼k = 0.064.

### physics

A particular tower clock similar to Big Ben has an hour hand 2.70 m long with a mass of 62.0 kg, and a minute hand 4.80 m long with a mass of 100 kg. Calculate the total rotational kinetic energy of the two hands about the axis of rotation. (You may model the hands as long ...

### Physics

Trying to be on time for class, a girl moves at 2.4 m/s down a 52 m-long hallway, 1.2 m/s down a much more crowded hallway that is 79 m long, and the last 25 m to her class at 3.4 m/s. How long does it take her to reach her class?

### PHYSICS

A wet bar of soap slides freely down a ramp 12.0 m long, inclined at 74.0 degrees. How long (in seconds) does it take to reach the bottom? (Neglect friction.)

### Physics

A wet bar of soap slides freely down a ramp 17.0 m long, inclined at 38.0 degrees. How long (in seconds) does it take to reach the bottom? (Neglect friction.)

### Physics

A wet bar of soap slides down a ramp 5.3-m long inclined at 4.9o. How long (in seconds) does it take to reach the bottom, assume the coefficient of kinetic friction is 0.04.

### Math 1100

A pipe 24ft long is cut into four pieces, the first 4ft long, the second 5ft long, and the third 7ft long. What is the length of the remaining piece ?

### Physics

If a soprano saxophone is 69 cm long, and the tenor sax plays an octave lower, how long should the tensor sax be?

### Physics

Calculate the first thhree standing wave frequencies of an open pipe 40 cm long. Do the same for a closed pipe 40 cm long?

### physics

A metal rod is 40.125 cm long at 20 °C and 40.148 cm long at 35 °C. calculate the coefficient of linear expansion of the rod for this temperature range.

### physics

If a toy plane is spinning on a string 1.87 meters off the ground and the string is .5m long how long does it take to make 10 revolutions?

### Physics

If a vector that is 1 cm long represents a velocity of 10 km/h, what velocity does a vectory 2 cm long drawn to the same scale represent?

### physics

A big clock has a minute hand 3 ft long and a second hand 4 ft long. let x be the distance between their tips. find max value of (dx)/(dt)

### Physics

A trackstar in the long jump goes into the jump at 12 meters per second and launches herself at 20 degrees how long is she in the air

### Physics

A big clock has a minute hand 3 ft long and a second hand 4 ft long. let x be the distance between their tips. find max value of (dx)/(dt) *d for derivative

### PHYSICS

A big clock has a minute hand 3 ft long and a second hand 4 ft long. let x be the distance between their tips. find max value of (dx)/(dt) *d means derivative

### Physics

A track star in the long jump goes into the jump at 12 m/s and launches herself at 20.0° above the horizontal. How long is she in the air before returning to Earth? (g = 9.81 m/s2)

### Physics

A dram of mass 100kg is rolled into the deck of long 1.5m above a horizontally floor using a plank 4m long.calculate the work done against gravity during the process [Take g=10ms'2]

### Physics

A long jumper jumps at a 45 degree angle towards the right bank which is 10.0 m away horizontally and 2.5 m vertically below. How long, or short, of the opposite bank will she land?

### physics

A bullet is fired vertically upward from a gun and reaches a height of 7000 ft. Find its initial velocity. How long does it take to reach its maximum height? How long is it in flight?

### Physics

Determine the first three standing wave frequencies of a 25.0-cm-long open pipe. Assume the speed of sound in air is 340 m/s. Do the same for a 25.0-cm-long closed pipe.

### Physics

A block slides from rest from the top of a plane 8m long and inclined 35o with the horizontal. If the coefficient of friction is 0.20, find how long it will take the body to reach the bottom of the plane.

### AP Physics

A cowboy at a dude ranch fills a horse trough that is 1.7 m long, 50 cm wide, and 40 cm deep. He uses a 1.9 cm diameter hose from which water emerges at 1.3 m/s. How long does it take him to fill the trough? min

### physics

An MRT tunnel is 418m long. Calculate the time it will take the 108-m long train , travelling at 72km/h to pass completely through the tunnel, leaving your answer in seconds

### College Physics 2

A broken-down spaceship (star Wreck?) flies across an international soccer field (Regulation length = 100 m) at a speed of 0.55c. A.) How long does the spaceship pilot measure the field to be? B.) From the spaceship pilot’s perspective, how long does it take to make this ...

### physics

A 680 Hz tuning fork is held over a long vertical tube full of water. If the tube is 1.00 m long, how many resonances will be heard as the tube is allowed to empty from the bottom?

### physics

The lowest note on a grand piano has a frequency of 28.1 Hz. The entire string is 2.00 m long and has a mass of 440 g The vibrating section of the string is 1.90 m long. What tension is needed to tune this string properly?

### Physics

If a velocity that is 1 cm long represents a velocity of 12 km/h, what velocity does a vector 3 cm long drawn to the same scale represent? km/h

### physics

an olympic long jumper i capable of jumping 8.0 m. Assuming hi horizonal speed is 9.1 m/s as he leaves the ground, how long is he in the air and how high doe he go? Assume that he lands standing upright that is, the same way he left the ground.

### Physics

At 08:00hrs a 2.7- m-long vertical stick in air casts a shadow 1.8 m long. If the same stick is placed at 08:00hrs in air in a flat bottomed pool of salt water half the height of the stick, how long is the shadow on the floor of the pool? (For this pool, n = 1.64.) I can't get...

### Science 4

How long does it take an M-type star to form, compared to the time for a solar-type to form? A.Half as long B.About the same time C.Twice as long D.20 times as long E.200 times as long c

### physics

At 08:00hrs a 2.0- m-long vertical stick in air casts a shadow 1.8 m long. If the same stick is placed at 08:00hrs in air in a flat bottomed pool of salt water half the height of the stick, how long is the shadow on the floor of the pool? (For this pool, n = 1.56.)

### physics

At 08:00hrs a 2.0- m-long vertical stick in air casts a shadow 1.8 m long. If the same stick is placed at 08:00hrs in air in a flat bottomed pool of salt water half the height of the stick, how long is the shadow on the floor of the pool? (For this pool, n = 1.56.)

### physics

A 200m long train crosses a 400m long bridge with a speed of 36km/hr . Calculate the time taken by train to cross the bridge?

### physics

A man steps off a 100 m diving platform. How long will it take him to drop the …first 50 m? How long will it take him to drop the second 50 m?

### Physics

A tunnel is 800 m long.A 100 m long train crosses the tunnel at a speed of 30m/s.Find the time taken by the train to cross it.

### physics

6. A square aluminum rod is 1.0 meters long and 5.0 mm on edge. What is the resistance between its ends? What must be the diameter of a circular 1.0 meter long copper rod if its resistance is to be the same

### physics

Assume that a small sugar cube has sides 1 cm long. If you had a box containing 1 mol of cubes and lined them up side by side, how long would the line be (1 mol = 6.02 x 10^23)?

### Physics

A vector drawn 4.7 cm long represents a force of 37 N. How long would you draw a vector for a force of 303.1 N? Answer in units of cm

### physics

A) A ball is thrown vertically upward with a speed of 27.6 m/s from a height of 1.9 m. How long does it take to reach its highest point? The acceleration of gravity is 9.81 m/s2. Answer in units of s B) How long does the ball take to hit the ground after it reaches its highest...

### physics

A 200m long train crosses a 400m long bridge with a speed of 36km/hr . Calculate the time taken by train to cross the bridge? plz give me the answer with explaination

### Physics

A long jumper leaves the ground with an initial velocity of 12 m/s at an angle of 28-degrees above the horizontal. Determine the time of flight, the horizontal distance, and the peak height of the long-jumper.

### physics

A bullet fired from a gun vertically upward with a muzzle velocity of 500 m/s. A) How long is the highest point reached? B) How long does it take the bullet to reach the ground after it is fired?

### physics

A bullet fired from a gun vertically upward with a muzzle velocity of 500 m/s. A) How long is the highest point reached? B) How long does it take the bullet to reach the ground after it is fired?

### physics

A bullet fired from a gun vertically upward with a muzzle velocity of 500 m/s. A) How long is the highest point reached? B) How long does it take the bullet to reach the ground after it is fired?

### math

He lays the long edge of the paper along the long edge of the frame several times and finds the frame is 4 papers long. How long is this in inches

### physics

If a vector that is 1cm long represents a velocity of 10km/h, what velocity does a vector 2cm long drawn to the same scale represent? An airplane has an airspeed of 100km/h north. If there is a 30 km/h tailwind, what is its groundspeed?

### physics

what are imp. long questions of 7th chapter of 9 e.m of physics of bise lahore.

### math

Ron has a piece of rope 6 1/2 long,Tony has one that is 7 2/3m long.How long are their ropes if put together?

### physics

a projectile is thrown with the speed of 25 meter per seconds in a direction 30° above the horizontal. -how high does it go. -how long does it take to reach the maximum height. -how long does it reach the Projectile along in the air. -how far does it go.

### physics

a projectile is thrown with the speed of 25 meter per seconds in a direction 30° above the horizontal. -how high does it go. -how long does it take to reach the maximum height. -how long does it reach the Projectile along in the air. -how far does it go.

### Physics-HELP

An Olympic long jumper is capable of jumping 7.5 m. Assume that his horizontal speed is 8.8 m/s as he leaves the ground. How long is he in the air? How high does he go? Assume that he lands standing upright, that is, the same way he left the ground.

### Physics

A 300kg bobsled starts down an icy slope inclined at 12 degrees. There is some friction between the bobsled and the slope. If the hill is 200m long, how long does it take for the sled to reach the bottom?

### physics

Water flows into a swimming pool at a rate of 9.59 gal/min. If the pool dimensions are 30.9 ft wide, 47.6 ft long and 13 ft deep, how long does it take to fill the pool? (1 gallon = 231 cubic inches). Answer in units of minutes.

### English

I took too long in the shower. (Is this grammatical? What is the part of speech of 'long'? Is 'long' a noun?)

### English

I took too long in the shower. (Is this grammatical? What is the part of speech of 'long'? Is 'long' a noun?)

### science

How long does it take an M type star to form, compared to the time for a solar type star to form? A half as long B about the same time C twice as long D 20 times as long E 200 times as long dont know........ look at google

### physics

what are the 4 main kinds of long-distance communication? I have no idea what you mean here, in physics. Can you explain?

### physics

A jet travels at 433 m/s. How long does it take to travel 210 m? Answer in units of s How long to travel 12.4 km? Answer in units of s How long to travel 11 in? Answer in units of s thank you

### Physics

A ladder 20m long rest against a vertical wall so that the foot of the ladder is 9m long. Find correct to the nearest degree the angle that the ladder makes with the wall.

### Physics

A ladder 20m long rest against a vertical wall so that the foot of the ladder is 9m long. Find correct to the nearest degree the angle that the ladder makes with the wall.

### physics

a 12.0 kg box is released from the top of smooth incline that is 5.00m long and makes an angle 40 degrees with the horizontal.(a)What will be the acceleration of the box?(b)how long will it take to reach the bottom? Draw out a triangle diagram of the action. Mass X acceleration.

### Physics

An Olympic swimming pool is roughly 45m long and 33m wide and 5m deep. How long will it take to fill such a pool with a regular garden hose? **estimation question, give an estimate of flow rate of hose.

### physics

the sidewalk moves left at 0.5 m/s. it is 2m long. a cat runs a 1m/s and it wants to run straight across to get to its food. at what angle should the cat direct itself? and how long would the cat take to cross the sidewalk

### Math

Use place value to solve Pablo has a piece of wire that is 0.08 meters long Beth has a piece of wire that is 10 times as long as problems wired leaves wire is one-tenth as long as problems how long is Beth wire how long is li's wire

### Physics

It has been suggested that cylinders rotating about their long axis with dimensions 19 km long and 6.9 km in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall ...

### Physics

The switch in the circuit below has been open for a long, long time, R1=8.0 Ohm, R2=5.0 Ohm, L=0.03 H, V=1 V. The internal resistance of the battery is negligibly small. Determine the currents I1,I2,I3 (in Ampere) in the resistors and in the self-inductor at the moment (a) ...

### physics

2. Rod A, which is 30 cm long, expands by 0.045 cm when heated from 0°C to 100°C. Rod B, also 30 cm long expands by 0.075 cm for the same change in temperature. A third Rod C, also 30 cm long is made up of the materials of rod A and B, connected end to end. It expands by 0....

### Physics

Water flows into a swimming pool at the rate of 5 . 25 gal / min. If the pool dimensions are 33 . 8 ft wide, 40 ft long and 11 . 1 ft deep, how long does it take to fill the pool? (1 gallon = 231 cubic inches) Answer in units of min

### Spring constant physics?

What is the spring constant of Spring 1, in N/m? This is in an online lab. All I know about spring 1 is that it is 30cm long, and with a mass of 250g attached, it reaches 55cm long. My answer of 4.5 (.25 * 10 = k * .55) is incorrect...why? Thank you!

### Math

Jamal and dorothy wete hiking and had a choice between two trails. One was 5 1/3 miles long, and the other was 1 3/4 times as long. How long was the longer trail?

### physics

a construction wo4rker uses a board and log as a lever to lift a heavy rock. If the input arm is 3 meters long and the output arm is 0.75 meters long, what is the mechanical advantage of the lever?

### physics

Low E on a guitar vibrates at 82.4 Hz and the guitar is 62.8 cm long. How long would the same string have to be to vibrate at high E 329.6 Hz. Assume that both strings vibrate at the fundamental frequency for the string.

### PHYSICS

a 10cm long spring is attached to the ceiling. when a 2.6kg mass is hung from it, the spring stretched to a length of 15cm. what is the spring constant k how long is the spring when a 4.0 kg mass is suspended from it

### Physics - URGENT

The seventh harmonic of a one end closed pipe organ has a frequency of 732 Hz, on a day when the temperature is 10 degrees Celsius. How long is the pipe? How long would it be for 732 to be the first harmonic?

### conceptual physics

if you throw a ball straight upward at a speed of 10 m/s, how long will it take to reach zero speed? how long will take to return to its starting point? how fast will it be going when it returns to its sparting point?

### physics

a wire 4m long carrying current of 5A place at right angle to B of 6web/m2 the force experience by the wire in SI unit is A LONG SPRING IS STRETCHED BY 2Cm and P.E stored in it is U if the string is stretched by 10 cm then the P.E stored would be

### Physics

A seagull can fly with a speed of 12.5 m/s (relative to the air). (a) How long will it take the gull to fly from his perch 420. m east to the carcass of a dead fish floating in the water if the wind is from the east at a speed of 2.70 m/s? (b) Having eaten lunch (nicely aged, ...

### physics

A ball is thrown vertically upward with a speed of 23.7 m/s from a height of 2.0 m. How long does it take to reach its high- est point? The acceleration of gravity is 9.81 m/s2 2) How long does the ball take to hit the ground after it reaches its highest point?

### Physics 11

A string that is 90cm long with a diameter of 0.75 mm and a tension of 60 N has a frequency of 100 Hz. What new frequency is heard when the length of the string is 100 cm long. Anyone help me please?

### Physics

Convex lenses are used to correct: a) short sight b) long sight c) both short and long sights d) to correct vision angle

### physics

Please help me solve !!! Water flows into a swimming pool at the rate of 9.83 gal/min. If the pool dimensions are 33.4 ft wide, 44.9 ft long and 19.9 ft deep, how long does it take to fill the pool? (1 gallon = 231 cubic inches) Answer in units of min

### Physics

Pendulum A is 20 cm long and has a 5 g mass on it. Pendulum B is 30 cm long and has a 10 g mass on it. Which one has a faster period?

### physics

Our muscles atrophy when there is no gravitational force. On long space flights this is a problem, which is why astronauts exercise. On very long space flights it might be advisable to simulate gravity. Your space ship is a long cylinder of radius 100 m that spins about its ...

### physics

a ball is thrown vertically upward with a speed 25.0m/s (a)How high does it rise? (b)How long does it take to reach its highes point? (c)How long does it take to hit the ground after it reaches its highest point? (d)What is its speed when it returns to the level from which it ...