Monday

May 30, 2016
**physics**

What is quantity of heat required to melt down completely 1kg of ice at 30 degree celsius
*Wednesday, May 18, 2016 by Ruth *

**physics help grade11**

In a physics laboratory experiment, a 6.00 kg box is pushed across a flat table by a horizontal force F. A. If the box is moving at a constant speed of 0.35 m/s and the coefficient of friction is 0.12. What is the magnitude of F? B. What is the magnitude of F if the box is ...
*Wednesday, May 18, 2016 by jyne*

**Physics**

A man starts running from his home towards east . After covering 60m ,he turns north and runs 80m. If he runs at uniform rate and covers the distance in 1 minute ,then what is its acceleration?
*Wednesday, May 18, 2016 by Mohit*

**Physics**

A 67.6 ohms resistor is connected in parallel with a 103.8 ohms resistor. This parallel group is connected in series with a 20.8 ohms resistor. The total combination is connected across a 18.2-V battery. Find a) the current and b) the power dissipated in the 103.8 ohms resistor.
*Wednesday, May 18, 2016 by Ellie*

**physics**

A race car accelerates from 50 m/s to 75 m/s over a distance of 400 m. What is the race car’s acceleration?
*Wednesday, May 18, 2016 by eli*

**physics**

Find the number of moles in 2.00 L of gas at 35.0°C and under 7.41×107 N/m2 of pressure. Select one: a. 0.051 moles b. 51 ×105 moles c. 58 moles d. 5.8 moles
*Tuesday, May 17, 2016 by Sandra*

**physics**

Four items, all with equal masses, are used to construct the device depicted to the right. Two of the items are uniform solid disks, the smaller of which has half the radius of the other. The disks are glued together so that they share a common axle. The other two items are ...
*Tuesday, May 17, 2016 by ChrismB*

**physics**

A charge of -5.02 μC is traveling at a speed of 8.86 × 106 m/s in a region of space where there is a magnetic field. The angle between the velocity of the charge and the field is 54.6o. A force of magnitude7.85 × 10-3 N acts on the charge. What is the ...
*Tuesday, May 17, 2016 by Lily*

**Physics**

A ray of light is incident on a material with reflective indeed n=1.46. if the material has thickness w=2.6mm; how many times does the light take to pass through the material?
*Tuesday, May 17, 2016 by Lily*

**physics**

Two bar magnets (1) and(2) orthogonal to each other create at point M (intersection of their supports) the respective magnetic field vectors B1 and B2 of intensity: B1=o.oo3T and B2=0.004T a)Determine the names of the poles of the magnets. b)Construct the resultant field ...
*Tuesday, May 17, 2016 by angy*

**physics multiple choice**

1)A coil of length 1cm has N turns and carries an electric current I. It creates at a point M a magnetic field of intensity B. -If a current 3I is sent in the coil the field strength at M becomes: a. 3B b. B/3 c. B -If the number of turns per unit length is doubled the field ...
*Tuesday, May 17, 2016 by angy*

**physics**

A. State Ohm’s law B.Describe the process of electrolysis C. What is the relationship between resistance and resistivity D. What is the current through 8Ω device operating with 120V The potential difference required to pass 3A through 42Ω. E. Describe what is ...
*Tuesday, May 17, 2016 by Chansa*

**physics**

A display sign is supported by a guy making an angle of 37o with the horizontal and by a bracket at the upper end near the vertical wall. The sign weighs 150N. Find A. The tension in wire B. The force exerted by the bracket on the sign.
*Tuesday, May 17, 2016 by Chansa*

**physics**

A ladder rests against a smooth wall (by smooth wall, we mean that the wall exerts in the ladder only a force that is perpendicular to the wall. There is no friction force). The ladder weighs 200N and its center of gravity is 0.4L from the base, where L is the ladder’s ...
*Tuesday, May 17, 2016 by Chansa*

**Physics**

An air plane has a mass of (1.7x10 to power 6) kg, and the air flow past the lower surface of the wings at 95m/s. If the both wings have a surface area of 1200cubic metre, how fast must the air flow over the upper surface of the wings if the plane is to stay in the air?
*Tuesday, May 17, 2016 by Veronica *

**physics**

a stone is thrown vertically upward from tower takes 5 sec to reach ground the height of tower is
*Tuesday, May 17, 2016 by nandan*

**Physics**

1) The electric potential at any point x, y, z in metres is given by V = 3x2. The electric field at a point (2 m, 0, 1 m) is
*Tuesday, May 17, 2016 by Anushka*

**Physics**

During each heart beat, approximately 70cubic cm of blood is from the heart at an average pressure of 105mmHg. Calculate the power output of the heart, in watts, assuming 70 beats per minute.
*Tuesday, May 17, 2016 by Veronica *

**physics**

Two blocks are connected with a light string that is hung over a pulley, as shown in the diagram to the right. One block has twice the mass of the other, and the pulley has the same mass as the heavier block. The pulley consists of a solid, uniform circular disk. The heavier ...
*Tuesday, May 17, 2016 by ChrismB*

**Physics**

A charge of -5.02 μC is traveling at a speed of 8.86 × 106 m/s in a region of space where there is a magnetic field. The angle between the velocity of the charge and the field is 54.6o. A force of magnitude7.85 × 10-3 N acts on the charge. What is the ...
*Tuesday, May 17, 2016 by Matthew*

**Physics**

A uniform bar weighing 60N has a length of 4m and it is supported at its ends by a string. A load W=20N is placed at some point on the bar such that it is in equilibrium when the tension in the string at the left end is 80N, a) locate tge position of W. b) find the tension in ...
*Monday, May 16, 2016 by Drew Gonzales*

**Physics**

A uniform bar weighing 60N has a length of 4mamd it is supported at its ends by a string. A load W=20N is placed at some point on the bar such that it is in equilibrium when the tension in the string at the left end is 80N, a) locate tge position of W. b) find the tension in ...
*Monday, May 16, 2016 by Drew Gonzales*

**Physics**

Is the tension on a rope zero just before a person releases it after swinging from one side of a river to the other?
*Monday, May 16, 2016 by Veronica *

**physics help me **

Four items, all with equal masses, are used to construct the device depicted to the right. Two of the items are uniform solid disks, the smaller of which has half the radius of the other. The disks are glued together so that they share a common axle.The other two items are ...
*Monday, May 16, 2016 by Asfand*

**Quick physics help**

you are in a canyon and yell across. it takes 4 seconds it takes 4 seconds for the echo to come back how wide is the canyon?
*Monday, May 16, 2016 by Anonymous *

**Quick physics help**

you hear a thunder 4 seconds after you see the lightning. how far away is the storm?
*Monday, May 16, 2016 by Anonymous *

**physics **

If the sun's mass is about average, how many stars are there in the Milky Way galaxy? (This is all the information given in the question and I don't know where to go from here).
*Monday, May 16, 2016 by Anonymous*

**physics**

Two blocks are connected with a light string that is hung over a pulley, as shown in the diagram to the right. One block has twice the mass of the other, and the pulley has the same mass as the heavier block. The pulley consists of a solid, uniform circular disk. The heavier ...
*Monday, May 16, 2016 by ChrismB *

**Mech. Engr./Dynamics/Physics/Math**

A ball is dropped with a velocity v0 and an angle alpha with the vertical onto the top step of a flight of stairs consisting of 10 steps. The ball rebounds and bounces down the steps where the coefficient of restitution between ball and step is e=0.6. The friction between ball...
*Monday, May 16, 2016 by Jay*

**Physics**

A 56kg student runs at 5m/s, grabs a hanging rope, swings out over a lake. He releases the rope when his velocity is zero. The angl when he releases the rope is 29.25degrees. What is the tension in the rope just before he releases it? What is the maximum tension in the rope?
*Monday, May 16, 2016 by Veronica *

**physics**

A body is in equilibrium when three forces act on it. Two of the forces are F1 of magnitude 8N acting due east and F2 which is 5N acting N 60degree E. Find the magnitude and direction of the third force.
*Monday, May 16, 2016 by somay*

**physics**

Two horizontal turntables are in contact with each other at their outer edges, and the static friction between them allows them to turn together (in opposite directions) without slipping. Thelarger turntable has a radius of 0.36m, and the smaller turntable a radius of 0.12m. ...
*Monday, May 16, 2016 by ChrismB *

**physics**

A rod of length L has a varying density along its length that satisfies: λ(x) =((x^2/L^2)+1)λo where x = 0 is one end of the rod (which has density λo), and x = L is the other end (which has density 2λo). a. Find mass of the rod in terms of L and λo. b...
*Monday, May 16, 2016 by ChrismB *

**physics**

Your roommate gives you a cylindrical can of peanut brittle, saying that she got it for free as a promotion at the grocery store,and that she doesn’t like it because it sticks to her teeth. Just as you are about to open it, you remember that it is April 1st,and you smell ...
*Monday, May 16, 2016 by ChrismB *

**Physics **

A 56kg student runs at 5m/s, grabs a hanging rope and swings out over a lake. He releases the rope when his velocity is zero. The length of the rope is 10m, what is the angle when he releases the rope? (The person swings from the centre to the right). What is tension in the ...
*Monday, May 16, 2016 by Veronica *

**Physics**

A 56kg student runs at 5m/s, grabs a hanging rope and swings out over a lake. He releases the rope when his velocity is zero. The length of the rope is 10m, what is the angle when he releases the rope?What is the tension in the rope just before he releases it? What is the the ...
*Monday, May 16, 2016 by Veronica *

**Physics **

A 56kg student runs at 5m/s, grabs a hanging rope and swings out over a lake. He releases the rope when his velocity is zero. The length of the rope is 10m, what is the angle when he releases the rope? (The person swings from the centre to the right).
*Monday, May 16, 2016 by Veronica*

**Mech. Engr./Dynamics/Physics/Math**

A ball is dropped with a velocity v0 and an angle alpha with the vertical onto the top step of a flight of stairs consisting of 10 steps. The ball rebounds and bounces down the steps where the coefficient of restitution between ball and step is e=0.6. The friction between ball...
*Sunday, May 15, 2016 by Jay*

**Physics**

A 1370-kg car is skidding to a stop along a horizontal surface. The car decelerates from 27.6 m/s to a rest position in 3.15 seconds. What is the frictional force that the skidding car experiences?
*Sunday, May 15, 2016 by De'Andra*

**Physics**

a westward force of 20 N acts on a 2.0 kg object moving eastward at 60 m/s for 2.0 s. What is the resulting velocity?
*Sunday, May 15, 2016 by Dwaipayan*

**Physics**

At time t=0 an object of mass 50.34 g on the end of a horizontal spring is moving to the right at 10 cm/s and is displaced 2 cm to the left from the equilibrium position. If the spring constant is 0.234N/m, find an expression for the position of the particle as a function of ...
*Sunday, May 15, 2016 by Supansa*

**physics**

A ball of mass 100 g travelling with a velocity of 100 m/s collides with another ball of mass 400 g moving at 50 m/s in the same direction. If they stick together, calculate: (i) their common velocity (ii) loss of enery and hence state the type collision involved. I had ...
*Sunday, May 15, 2016 by somay*

**physics**

Two spools with equal radii and equal masses are wound onto opposite ends of a massless string, the center of which is then hung over a massless, frictionless pulley, as in the diagram to the right. The spool on the left is a solid cylinder, while the one on the right is ...
*Sunday, May 15, 2016 by ChrismB *

**physics**

A circle is cut out of a uniform piece of plywood. How does the rotational inertia measured around a point on its outer edge compare with the rotational inertia about its central axis? a. The two rotational inertias are the same. b. The rotational inertia about its edge is ...
*Sunday, May 15, 2016 by ChrismB *

**physics**

A body thrown upward from ground covers equal distance in 4th and 7th second . With what initial velocity body was projected ?
*Sunday, May 15, 2016 by omna*

**physics**

at what attitude the value of g would become one forth than on the surface of the earth?
*Sunday, May 15, 2016 by zoya*

**College Physics (need help asap)**

a delivery truck is 5km away from a car. The two started at the same time and headed towards the same direction. the delivery truck accelerates at 3m/s^2. If the car should overtake the truck in ten minutes, what should be the acceleration of the car?
*Sunday, May 15, 2016 by Patrick*

**physics**

Weight of metal ball in air is 96N. when it immersed in water then its apparent weight is 72N. What is density of metal?
*Sunday, May 15, 2016 by Akarsh Singh*

**physics **

a light pointer fixed to one prong of a tuning fork touches a vertical plate. The fork is set vibrating and the plate is allowed to fall freely. 8 complete oscillations are counted when the plate falls through 10cm. What is the frequency of the fork ?
*Saturday, May 14, 2016 by please Help urgently*

**Physics **

A net force of 20N acts on a 5kg object.Determine how far the object travels starting from rest to acquire a speed of 8m/s
*Saturday, May 14, 2016 by Anonymous*

**Physics**

'A push broom consists of a 1.70 metre long handle with mass with mass 0.825kg, with a 0.500m wide brush with mass 0.420kg attached to the end of the handle' 'Treating both the handle and the brush as thin rods, find the moment of inertia I of the broom about an ...
*Saturday, May 14, 2016 by Cummins*

**physics**

a certain string vibrates in its fundamental frequency at 250 Hz. If the string is 15 cm long, what is the velocity of the wave in the string? What is the wavelength of the second harmonic frequency (the second wave which will fit into this length of string)?
*Saturday, May 14, 2016 by Jason*

**Physics**

An elastic cord can be stretched to it's elastic limit by a load of 2n.if a 35cm length of the cord is extended 0.6cm by a force of 0.5n.what will be the length of the cord when the stretching force is2.5n
*Saturday, May 14, 2016 by Paul lazarus*

**Physics**

Urgent. A density bottle weigh 0.25 when empty and 0. 75 when. Filled with water and 0.65N when filled with alcohol calculate the volume of water,the density of alcohol. Take density of water=1000kg/m3 acceleration due to gravity= 10m/s
*Friday, May 13, 2016 by Adam*

**physics **

what about a 5,000 kg truck rear-ends a 1200 kg car that has been traveling at 13 m/s, causing the truck to slow down from 14 m/s to 12 m/s and the car to speed up. What is the final velocity?
*Friday, May 13, 2016 by Angie*

**physics **

I need so much help, thanks in advance! Determine the gravitational energy of your 3kg physics binder a) relative to the table it sits on b) relative to the floor, 0.68 meters below the book c) relative to the floor 2.5 meters above the book
*Friday, May 13, 2016 by Angie*

**physics**

An object weighs 0.25N in air and 0.01N when immersed in water. Calculate (a) its relative density (b) its apparent weight in a liquid of density 800kgm^-3
*Friday, May 13, 2016 by somay*

**physics**

Two trains approach one another. Train A has a mass of 500,00 kg and is moving at 34.0 m/s. Train B has a mass of 350,00 kg and is moving at 42 m/s. They collide and stick together. What is the velocity and direction of the combined masses
*Friday, May 13, 2016 by Angie*

**physics**

A bat exerts force of 755N on a 320g ball that approaches the bat at 40 m/s and leaves at 64 m/s. How long was the ball in contact with the bat?
*Friday, May 13, 2016 by Angie*

**Physics**

How would you change the following Galilean transformation equations in the case where a frame was moving both in the x and the y direction? (Use the following as necessary: x, y, z, Vx, Vy, t.) x' = y' = z' = t' =
*Friday, May 13, 2016 by Alyssa*

**Physics**

Estimate the increase in rest energy of a copper sample [100 kg, c = 387 J/(kg · °C)] if its temperature is increased 100°C. -answer needs to be in kg please.
*Friday, May 13, 2016 by Alyssa*

**physics**

A bullet of mass 12 g is fired horizontally into a fixed wooden block with a speed of 20m/s. The bullet is brought to rest in the block in 0.1 seconds by a costant resistance. Calculate the (i) magnitude of the resistance (ii) distance moved by the bullet in the wood.
*Friday, May 13, 2016 by somay*

**physics**

An object weighs 0.25N in air and 0.01N when immersed in water. Calculate (a) its relative density (b) its apparent weight in a liquid of density 800kgm^-3
*Friday, May 13, 2016 by somay*

**physics**

A body is in equilibrium when three forces act on it. Two of the forces are F1 of magnitude 8N acting due east and F2 which is 5N acting N 60degree E. Find the magnitude and direction of the third force.
*Friday, May 13, 2016 by somay*

**physics**

Two equal sphere each weighting 1g hang by 2 equal silk thread from the same point the sphere are charged with in Contact and comes to rest with their centre 2 cm apart and 20 cm vertically below the point of support .find charge on sphere? solutions of this question
*Friday, May 13, 2016 by kritika *

**Physics**

During the investigation of a traffic accident that occurred in a 25 m/s zone, police find skid marks 60.0 m long corresponding to the distance the car traveled while braking to a halt. They determine that the coefficient of friction between the car's tires and the roadway...
*Friday, May 13, 2016 by Jonas*

**physics **

a person moves 15 km in north direction and then turns towards northeast and moves 10 km.find out the actual displacement ?
*Friday, May 13, 2016 by subhasis ghosh*

**Science-Physics**

As shown below, a 2.00 kg mass is connected to an unknown mass m via a massless rope and a massless, frictionless pulley. The mass m is on a ramp angled 20 degrees above the horizontal. The coefficients of kinetic and static friction are μk=0.35 and μs=0.45, ...
*Thursday, May 12, 2016 by Justin*

**College Physics**

A car moving at constant velocity of 14 m/s passes a gasoline station. two seconds later, another car leaves the gasoline station and accelerates at the constant rate of 2m/s^2. How soon will the second car overtake the first?
*Thursday, May 12, 2016 by Patrick*

**College Physics**

a delivery truck is 5km away from a car. The two started at the same time and headed towards the same direction. the delivery truck accelerates at 3m/s^2. If the car should overtake the truck in ten minutes, what should be the acceleration of the car?
*Thursday, May 12, 2016 by Patrick*

**Physics**

The human egg cell above is magnified using a 10´ ocular lens and a 40´ high power objective lens. (a) Calculate the overall magnification. (b) If the field of view at high-power magnification is 400 mm, calculate the size of the field of view when the ...
*Thursday, May 12, 2016 by help please*

**Physics**

You know that you can safely stand on the hang-over end of a heavy plank that rests on a table. How far depends on your mass and the mass of the plank. Suppose you can stand on the end of a plank that overhangs the edge of the supporting table 1/5 its total length. Then how ...
*Thursday, May 12, 2016 by Armen*

**Physics**

A particle executes simple harmonic motion such that at t = 0 it is at the amplitude of oscillation A = 22.5 cm. The period of the oscillation is 0.25 s. When is the first time this particle will be at x = -1/2 the amplitude, moving away from equilibrium?
*Thursday, May 12, 2016 by Anonymous*

**Physics**

1gram of redioactive material having a half life of 2years is kept in a store, calculate how much of the material will remain unchage?
*Thursday, May 12, 2016 by King hezey*

**Physics **

An empty density bottle weight 20g full of water and 60g when full of liquid
*Thursday, May 12, 2016 by Anonymous*

**Physics - Fields**

A fan causes a velocity field that falls off inversely with the distance from the fan. For one fan, the air speed at 1.3 m is 6.3 m/s. If two of these fans are placed 3 m apart, pointed at each other, what will be the air speed 1 m away from one of the fans?
*Thursday, May 12, 2016 by PLEASE HELP ASAP*

**Physics**

A model rocket is launced from the ground with an initial velocity of 65 m/s directly upwards. If a horizontal wind is blowing at 5 m/s during the flight, how far from the launch point will the rocket land? I know I should probably be using the equation x=x0+v0t+1/2at^2, but i...
*Thursday, May 12, 2016 by Jessica*

**physics**

A window is 50 long. A stone is falling from a height of 40 cm above the window.find the time taken by the stone to cross the window.
*Thursday, May 12, 2016 by sofia*

**physics**

A ball is thrown from a height h and another from 2h.find the ratio of time taken by the two balls to reach the ground.
*Thursday, May 12, 2016 by sofia*

**physics**

You throw a softball (of mass 300 g) straight up into the air. It reaches a maximum altitude of 17.9 m and then returns to you. What is the gravitational potential energy of the softball at its highest position? Assume the ball departed from and returned to ground level.
*Thursday, May 12, 2016 by Bob*

**physics**

A ball is thrown from a height h and another from 2h.find the ratio of time taken by the two balls to reach the ground.
*Wednesday, May 11, 2016 by sofia*

**physics**

A window is 50 long. A stone is falling from a height of 40 cm above the window.find the time taken by the stone to cross the window.
*Wednesday, May 11, 2016 by sofia*

**physics**

3 person are moving triangle place.their velocity are equal. they are follow each other after which time they should meet with each other?
*Wednesday, May 11, 2016 by Anonymous*

** physics**

The muzzle velocity of a projectile fired from a gun has an upward component of 49 m/s and a horizontal component of 60 m/s. A. What Maximum height does the projectile reach? B. How far forward does it go (assume a level surface) Show step by step and how you did it and explain.
*Wednesday, May 11, 2016 by Amy*

**Physics**

A photon has a frequency of 7.3 × 10–17 Hz. Planck’s constant is 6.63 × 10–34 J•s. The energy of the photon, to the nearest tenths place, is × 10–50 J.
*Wednesday, May 11, 2016 by Chelsea*

**Physics**

At time an object of mass 50.34 g on the end of a horizontal spring is moving to the right at 10 cm/s and is displaced 2 cm to the left from the equilibrium position. If the spring constant is 0.234N/m, find an expression for the position of the particle as a function of time.
*Wednesday, May 11, 2016 by Supansa*

**PHYSICS**

AN OBJECT 5.0 HIGH IS PLACED 35CM FROM CONCAVE MIRROR OF FOCAL LENGTH 15CM BY DRAWING A RAY DIAGRAM.DETERMINE THE POSITION,SIZE AND NATURE OF IMAGE
*Wednesday, May 11, 2016 by Anonymous*

**physics help pls**

Two masses of 200 grams and 400 grams are attached respectively at the end of the cord that passes through around a negligibly weight and frictionless pulley. a.) Find the acceleration of the system, b.) tension in each cord, c.) the distance and velocity of the masses when ...
*Wednesday, May 11, 2016 by jine*

**Physics**

A streetlight hanging above a road has what type of engrgy?
*Wednesday, May 11, 2016 by Help me please*

**Physics**

A hiker shouts when he is at the top of a mountain. He hears an echo 2.4 seconds later from the sounds reflection off a nearby mountain. Calculate how far he is from the nearby mountain. (Assume speed of sound in air is 340 m/s)
*Wednesday, May 11, 2016 by Austin*

**Physics**

How high will an arrow travel into the air when shot upwards? Bow stress: 68 J Arrow: 26 g (there is no air resistance)
*Wednesday, May 11, 2016 by John*

**Physics**

On the Round Up at the amusement park, people stand in a cylindical "room" of radius 6.18 m and the room rotates until it reaches a rotational frequency of 0.89 revolutions per second. At this point, the floor drops out. What is the minimum coefficient of static ...
*Tuesday, May 10, 2016 by Kyle*

**Physics**

A ball is projected so as to reach a height h passes points p and q with velocites v/2 and v/3 where v is the initial velocity with which the body is thrown the distance between p and q in terms of h is
*Tuesday, May 10, 2016 by I!@#$%^&a*

**Physics**

A particle executes SHM such that at a given time it is at x= +1/4 the amplitude, moving away from equilibrium, and 0.7 seconds later the particle has -1/6 the maximum speed moving away from equilibrium. Find the period of the motion.
*Tuesday, May 10, 2016 by Anonymous*

**Physics**

What is the wavelength of a 26250 Hz tone in air? The speed of sound in air is 340 m/s.
*Tuesday, May 10, 2016 by Abby*

**Physics**

A rock dropped into a pond produces a wave that takes 15.9 s to reach the opposite shore, 31.8 m away. The distance between consecutive crests of the wave is 3.1 m. What is the frequency of the wave?
*Tuesday, May 10, 2016 by Abby*

**Physics**

A particle executes SHM such that at a given time it is at x= +1/4 the amplitude, moving away from equilibrium, and 0.7 seconds later the particle has -1/6 the maximum speed moving away from equilibrium. Find the period of the motion.
*Tuesday, May 10, 2016 by Anonymous*

**Physics**

Arrange the steps required to focus a compound light microscope on low power in the correct order. Then write the numbers for the steps in the blanks. 1. Viewing from the side, raise the stage so that the slide almost touches the lens. 2. Move the low power objective lens into...
*Tuesday, May 10, 2016 by HELP ASAP*

**Physics**

Arrange the steps required to focus a compound light microscope on low power in the correct order. Then write the numbers for the steps in the blanks. 1. Viewing from the side, raise the stage so that the slide almost touches the lens. 2. Move the low power objective lens ...
*Tuesday, May 10, 2016 by Hanny*

**Physics**

The human egg cell above is magnified using a 10´ ocular lens and a 40´ high power objective lens. (a) Calculate the overall magnification. (b) If the field of view at high-power magnification is 400 mm, calculate the size of the field of view when the ...
*Tuesday, May 10, 2016 by HELP ASAP*