physics please HELP !

126,957 results, page 51

Thanks

I would just like to sat thanks to drwls for helping me a bunch with the physics questions...AP physics is pretty hard..thanks again, whoever you are.. I am sure i will be back plenty of times!

Physics HS

Doing a physics lab on elastic material - Asked to list at least three sources of error in measurments and/or laboratory technique. I really do not understand what teacher is looking for?

physics

In a paragraph, use the following words: Inertia, Acceleration, Kinetic Energy, and Newton's 1st Law to describe the physics at work during a car crash

physics

In a paragraph, use the following words: Inertia, Acceleration, Kinetic Energy, and Newton's 1st Law to describe the physics at work during a car crash

Physics 11 question pls urgent HELP!!!!!

The 1205 kg physics dragster is traveing ay 35km(easy) when it hits the gas and accelerates at 12.5 m/s^2 for 3.25s. What is change in momentum during this time?

physics please help!!

Hung vertically, a massless spring extends by 3.00 cm when a mass of 992.0 g is attached to its lower end. The same mass and spring are then placed apart on a table. The spring is fixed in place and then the mass is given a velocity of 0.800 m/s towards the spring. a) What is ...

physics

A uniform electric field of magnitude 250 V/m is directed in the positive x direction. A +12.0-ìC charge moves from the origin to the point (x, y) = (20.0 cm, 50.0 cm). (a) What is the change in the potential energy of the charge–field system? (b) Through what potential ...

physics

German silver wire has a cross-sectional area of 2.047 x 10^-3 cm^2. How many meters are needed to make a resistance of 100 (omega)? I can't find the resistivity of German silver wire. I've googled a few places, but each one gives me a different number. Can you please tell me ...

Physics- Elena please help!

In a Broadway performance an 80.0 kg actor swings from a 2.05 m long cable that is horizontal when he starts. At the bottom of his arc he picks up his 47.0 kg costar in an inelastic collision. (a) What is the velocity of the swinging actor just before picking up the costar? (b...

Physics- Elena please help!

In a Broadway performance an 80.0 kg actor swings from a 2.05 m long cable that is horizontal when he starts. At the bottom of his arc he picks up his 47.0 kg costar in an inelastic collision. (a) What is the velocity of the swinging actor just before picking up the costar? (b...

physics, please help

A 63.8 kg block of silver is at initially at 107 C. 1.0 kg of ice at its freezing point is placed onto the block to cool it. As the ice melts, the water is free to flow off (so that the water never increases in temperature). After all the ice melts, what is the final ...

social studies

Please help me answer these questions, as I have no idea about it. 1) Why do naturalist movements tend to be fractured (why don't they work out...) 2) How does this affect the post-colonial administration of successor states? Please help answer, or provide some websites which ...

physics

A 2.10 mol sample of oxygen gas is confined to a 5.10 L vessel at a pressure of 7.99 atm. Find the average translational kinetic energy of an oxygen molecule under these conditions in (j/mol) When i was working this out i tried using pv=nrt to find the temperature which i got ...

physics

1)Under ideal conditions, if 300 J of work are required tolift a mass to a certain height, the same mass should provide ___ J to do work as it falls back to Earth. Can you please comment as to whether my answer of 300 J is correct? 2)___ is conserved during an inelastic ...

physics(please help...very urgent.....)

A ball is hit at an angle of 36 degrees to the horizontal from 14 feet above the ground. If it hits the ground 26 feet away (in horizontal distance), what was the initial velocity? Assume there is no air resistance. i have posted the same question earlier and i got some steps ...

Physics

Know matter how i work it out, i keep getting the wrong answers. please help!!! i only have two more submissions before it closes on me. A sample of blood is placed in a centrifuge of radius 14.0 cm. The mass of a red blood cell is 3.0 ✕ 10−16 kg, and the ...

Physics Help!

The Fly wheel has a small magnet of mass M mounted on it. Each time the magnet passes the coil, a voltage pulse is generated , which is passes to the c.r.o the display of the c.r.o is 10 cm wide . The flywheel is rotating at a rate of about 3000 revolutions per minute . Which ...

Physics

Two steel blocks are at rest on a frictionless horizontal surface. Block X has a mas of 3.0 kg ans is attacthed by means of a light taut string to block Y that has a mass of 12 kg. A force of 45 N (E) is applied to block x. Calculate the force block Y exerts on block x. I don'...

anyone solve it....

Question 1 Describe the following descriptors. Give their type and the value of all their fields: i.dd 01234567h, 789abcdeh ii.dd 30405060h, 70809010h Please remember these things, especially #s 1 and 2: 1. This is a homework help website; please put your subject (math, ...

physics

A person bounces up and down on a trampoline, while always staying in contact with it. The motion is simple harmonic motion, and it takes 2.82 s to complete one cycle. The height of each bounce above the equilibrium position is 40.8 cm. Determine (a) the amplitude and (b) the ...

please check my answer

please check my answer thanks :) You are the manager of The Candle Shop using the FIFO method of inventory pricing, what is the dollar value of the ending inventory if there were 17,000 units on hand Dec 31 Show all of your work Jan 1 5,000 @ $0.89 Feb15 10,000 @ $0.69 April ...

Physics(Please respond)

1) A roller coaster (398 kg) moves from A (3.82 m above the ground) to B (29.4 m above the ground). Two non-conservative forces are present: friction does -1.82 x 104 J of work on the car, and a chain mechanism does +5.49 x 10^4 J of work to help the car up a long climb. What ...

PLEASE HELP PHYSICS!

Two toy ducks attached to each other by a string, are being pulled by a child. The front duck is m1= 5.0 kg and the back duck is m2= 2.0 kg. The happy guy pulls them with a force of 10 N and friction exists. The toys are moving with constant velocity. A) if the coefficient of ...

Physics

Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over a frictionless, massless pulley. Block B hangs down vertically. When the two blocks are released, Block B accelerates downward at a rate of 2.030 m/s2. What is the ...

Physics

Question: A car is on a ramp 100m from the bottom of the ramp (angle of incline=30 degrees): a. If the potential energy of the car is 80902 J, how much does the car weigh? b. What is the KE half way down the ramp? c. What speed is the car moving at the bottom of the ramp? ...

Physics

A molecule consists of two atoms. The atoms have masses of 20 u and 10 u and are 1.08 *10^-10 m apart. How far from the first atom is the center of mass of the molecule? Can someone help please I tried: (20u*(1.08 *10^-10m)) + (10u*(1.08 *10^-10))/ (20u+10u) and just got 1.08...

Math

Whats a consisnent. like suppose 2,3,6,9,8 Can someone help please? Can someone help please: What are conssitent numbers in math? i need help on my math its algebra

Algebra one help, please.

Determine which lines, if any, are parrell or perpindicular linea= y=4x line B= y=-1/4x line c= y= 4x-1 I think line B and A are parrell. Am I correct? Please help me, thank you.

geometry

8. iN triangle ABC, a point D is on AC so that AB=AD. ANGLE ABC - ANGLE ACB = 30. IND ANGLE CBD. PLEASE TELL ME WHAT TO DO. I BEG YOU. PLEASE

Please help

A rectangular picture frame has a perimeter of 58 inches. The height of the frame is 18 inches. What is the width of the frame? Please help show work and help answer thanks

Precalculus(NEED HELP ASAP PLEASE!!)

cot(theta)= 3 pi < theta < 3pi/2 Find: sin(theta)= -1 ? cos(theta)= -3 ? tan(theta)= 1/3 ? sec(theta)= -1/3 ? csc(theta)= -1 ? That's what I came up with, but they are not correct, PLEASE help me where I went wrong!!

Physics please help!!

A mass M is initially at rest on a horizontal surface, μs=0.30 and μk=0.20 . A horizontal string then pulls M with a tension T. Forces below are magnitudes. Indicate if each statement is correct or incorrect If M does not accelerate, then T ≤ μsN M will ...

Physics please help!!

A mass M is initially at rest on a horizontal surface, μs=0.30 and μk=0.20 . A horizontal string then pulls M with a tension T. Forces below are magnitudes. Indicate if each statement is correct or incorrect If M does not accelerate, then T ≤ μsN M will ...

physics please help

a 10.0-g marble rolls to the left with a velocity of magnitude 0.400 m.s^-1 on a smooth, level surface and makes a head-on collision with a larger 30.0-g marble rolling to right with a velocity of magnitude 0.100 m.s^-1. If the collision is perfectly elastic,find the velocity ...

physics

A basketball explodes into three separate pieces. Two pieces of equal mass shoot off at 20.3 m/s, one travelling to the south and one to the west, perpendicular to each other. The third piece has a mass 4 times the size of one of the other pieces. What is the speed of the ...

Physics(semiconductors)

Is electron and hole flow the same in a diode?is the following explanation correct .if not then please provide the correct one When diode is forward biased,the forward current is the sum of electron current and hole current.this current is diffusion current.the electron ...

physics-help please........

The momentum and the kinetic energy of particle A is eight times and nine times the momentum and the kinetic energy of particle B, respectively. What is the ratio of the mass of particle A to that of particle B?

Physics

The mass of the sign shown is 28.5 kg. Find the weight supported by (a) the left support and (b) the right support. Between the left and right support is 0.900m and from the right support to the end of the sign is 0.300m. ------------------------------ | | --------> (0.900m...

Math

Out of a group of 600 students taking computer,mathematics or physics,there is no student taking both computer and mathematics.Every student takes computer or mathematics.150 take physics and mathematics and 250 take only one of the subjects.Find 1) the number of students ...

Math

Out of a group of 600 students taking computer,mathematics or physics,there is no student taking both computer and mathematics.Every student takes computer or mathematics.150 takes physics and mathematics and 250 take only one of the subjects.Find 1) the number of students ...

physics please help

A 690 kg elevator starts from rest. It moves upward for 2.56 s with constant acceleration until it reaches its cruising speed, 1.84 m/s. What is the average power of the elevator motor during this period? What is the power of the elevator motor during an upward cruise with ...

Physics

The potetial energy of a spring is 0.25 J when it is compressed 0.05m to the left of the equilibrium position. At this point it comes to its leftmost position. What is its kinetic energy when it returns to its equilibrium point? a. zero b. 0.25 J and the object is moving to ...

Physics--please help!!

A hydrogen atom, when vigorously perturbed, can emit light with a frequency of 6.16·1014 Hz. When the same light from hydrogen atoms in a distant galaxy is observed on earth, the frequency is 5.76·1014 Hz. Calculate the speed at which the galaxy is receding from the earth (...

College Physics

A gamma ray (a high-energy photon of light) can produce a particle- antiparticle pair, each particle with mass 8.68 MeV/c2 when it enters the electric field of a heavy nucleus: γ ! λ+ + λ− . What minimum γ-ray energy is required to accomplish this ...

math

Hi i have a math exam tomorrow and i wanted to get some extra practice so can you please find me free online math tests. Please do not give me "Proprofs" as one of the websites. I have already tried their website and it did not help :D

Math PLEASE HELP ME!!

A restaurant offers a 13% discount on chicken wings on Mondays. If Travis eats $7.95 worth of chicken wings on Friday, how much would those wings cost on Monday??? PLEASE SHOW ALL WORK THANKS!!!!! :)

CHEMISTRY HELP PLEASE!!!

The cell potential of the following electrochemical cell depends on the pH of the solution in the anode half-cell: Pt(s)|H2(g,1atm)|H+(aq,?M)||Cu^2+(aq,1.0M)|Cu(s) what is the pH of the solution if Ecell is 375 mV? I first got .65 as my pH, but it said that it was wrong. ...

Math

Every time Mr. Cold born throws a ball of paper in the garbage can, the probability the ball goes in the cans is 3/4. What is the probability he misses 2 times in a row? Please show all work. Please help I don't understand probability

Physics

Can someone, please help me out with this question. A uniform rectangular 91.21 kg refrigerator with height h = 2.069 m and width w = 1.153 m is pushed at a constant velocity across a level floor. The refrigerator is pushed in the horizontal direction halfway between the floor...

physics grade 11

Fretta and her brother deucde to visit some friends near a house.they decide to travel along the road and go 250 m(W),360 m(W40degreesN), and then200 m(N).. we need to find :the resultant displacement. hi please help me with this, so far iv figured it out as a rombus shape, so...

Physics

Your car is stuck in the mud and two friends are helping you. One is pulling on your car with a force of 370 N at a 40 degree angle and the other is pulling with a force of 450 N at a 30 degree angle. A force of 725 N is required to remove the car. Is the car still stuck? ...

physics please help!!

1. A 26.0-Ω resistor, a 12.0-µF capacitor, and a 17.0-mH inductor are connected in series with a 150-V generator. (a) At what frequency is the current a maximum? 2.A series circuit contains only a resistor and an inductor. The voltage V of the generator is fixed. If R = ...

Physics -Conservation of Momentum-

1) A 1 kg mass moving at 1 m/s has a totally inelastic collision with a 0.7 kg mass. What is the speed of the resulting combined mass after the collision? 2) A cart of mass 1 kg moving at a speed of 0.5 m/s collides elastically with a cart of mass kg at rest. The speed of the ...

Physics -Conservation of Momentum-

1) A 1 kg mass moving at 1 m/s has a totally inelastic collision with a 0.7 kg mass. What is the speed of the resulting combined mass after the collision? 2) A cart of mass 1 kg moving at a speed of 0.5 m/s collides elastically with a cart of mass kg at rest. The speed of the ...

"Y912f", please givethis note to your pare

"Y912f", please give the follow note to your parents. Dear Parents of Y912f, Your daughter has been receiving help from Jiskha for quite some time. Our task on this site is to "help" students learn, not do their work for them. It has become obvious that "Y" needs additional ...

Language Arts

Which of the sentences below using direct address is punctuated correctly? (1 point) Please come with me, Sarah, and Tom, to pick Mom’s birthday present. Please come with me, Sarah and Tom to pick Mom’s birthday present. Please come with me, Sarah, and Tom to pick Mom’s ...

Algebra-drwls please check!

Posted by Megan on Tuesday, October 12, 2010 at 3:44pm. I have a question if someone could help, please explain it. Given b = -1 and h = -1, what is the equation of the graph if the parent function is y = sqrt (x) Answers: a.y = sqrt(x-1) b.y = sqrt (-x+1) c.y = - sqrt (-x-1) ...

college physics

Suppose a 69 kg person stands at the edge of a 7.8 m diameter merry-go-round turntable that is mounted on frictionless bearings and has a moment of inertia of 1600 kg*m^2. The turntable is at rest initially, but when the person begins running at a speed of 3.7 m/s (with ...

Physics. PLEASE HELP!!

A small car of mass 985 kg is parked behind a small truck of mass 1551 kg on a level road. The brakes of both the car and the truck are off so that they are free to roll with negligible friction. A 83 kg woman sitting on the tailgate of the truck shoves the car away by ...

Physics (Please Help)

A map of a burned area obtined from remote sensing contains 120 pixels. The remote sensing image shows that the fire is isolated to 73 of the 120 pixels. a) how many km^2 of forest does the image represent? b) how many km^2 of the forest is burned? c) how many km^2 of forest ...

Physics

A small cork with an excess charge of +6.0 μC (1 μC = 10^-6 C) is placed 0.12 m from another cork, which carries a charge of -4.3 μC. a. What is the magnitude of the electric force between the corks? b. Is this force attractive or repulsive? c. How many excess ...

Physics

Two cars are traveling along a straight road. Car A maintains a constant speed of 79 km/h and car B maintains a constant speed of 114 km/h. At t = 0, car B is 36 km behind car A. (a) How much farther will car A travel before car B overtakes it? ? km (b) How much ahead of A ...

Physics

A basketball player drops a 0.60-kg basketball vertically so that it is traveling at 6.0 m/s when it reaches the floor. The ball rebounds upward at a speed of 4.7 m/s. Determine the average net force that the floor exerts on the ball if the collision lasts 0.12 s. I calculated...

Physics

An object initially rotating at an angular speed of 1.6 rad/sec turns through 30 revolutions during the time it experienced an angular acceleration of 0.32 rad/s^2 a) For how much time did the acceleration last? b) What was the final angular speed? Help please. Use the ...

Physics

An object initially rotating at an angular speed of 1.6 rad/sec turns through 30 revolutions during the time it experienced an angular acceleration of 0.32 rad/s^2 a) For how much time did the acceleration last? b) What was the final angular speed? Help please. Use the ...

physics

An inquisitive physics student and mountain climber climbs a 50.0m high cliff that overhangs a calm pool of water. He throws two stones vertically downward, 1.00 s apart, and observes that they cause a single splash. The first stone has an initial speed of 2.00 m/s. (a) How ...

Physics

Can someone please help me out on this... An ideal transformer has 50 turns in its primary and 250 turns in its secondary. 12 V ac is connected to the primary. Find: a. The volts ac available at the secondary. b. Current in the 10  device connected to the secondary. c...

Physics

a) What will an object weigh on the Moon's surface if it weighs 500 N on Earth's surface? (b) How many Earth radii must this same object be from the center of Earth if it is to weigh the same as it does on the Moon? Alright, I know how to do part a. but I'm having issues on ...

Physics

A block of weight 41.8 N is hanging from a rope. The tension in the rope is 24.4 N, pulling upward on the block. What is the magnitude and direction of the acceleration of the block? I know the direction would be downwards, since the tension of the rope is less than the weight...

Physics

A 120.0 volt motor draws a current of 7.60 A when running at normal speed. The resistance of the armature wire is 0.610. (a) Determine the back emf generated by the motor. 115.364 V (b) What is the current at the instant when the motor is just turned on and has not begun to ...

Re: Physics/Math

Calculate the ratio of the drag force on a passenger jet flying with a speed of 750 km/h at an altitude of 10 km to the drag force on a prop-driven transport flying at one-fifth the speed and half the altitude of the jet. At 10 km the density of air is 0.38 kg/m3 and at 5.0 km...

Physics Measurement

Upon what is the precision of a measurement based? It depends upon what is being measured. For volume, the precision depends upon how precisely the buret or graduated cylinder can be read. For mass it depends upon the balance used (triple beam vs analytical balance), its ...

Physics

A laser used to weld detached retinas emits light with a wavelength of 652 nm in pulses that are 20 ms in duration. THe average power expended during each pulse is .600 W. (a) How much energy is in each pulse, in joules and electron volts? (b) What is the energy of one photon ...

physics please help:)

A car misses a turn and sinks into a shallow lake to a depth of 8.9 m. If the area of the car door is 0.51 m2, what is the force exerted on the outside of the door by the water? Note: 1 atm = 101.325 kPa. What is the force exerted on the inside of the door by the air, assuming...

physics

An A-frame made up of two uniform 150N, 3 m long beams pinned at the apex and resting on a frictionless floor. The base of each beam is separated by 3.5 m. A 500 N weight hangs from the apex. A tie rope connecting the two beams is parallel to the floor and is attached to each ...

physics

An airplane is flying above the Earth's surface at a height of 10.9 km. The centripetal acceleration of the plane is 16.7 m/s2. What is the angular velocity of the plane moving in uniform circular motion? Take the radius of the earth to be 6400 km. Please help, I've tried ...

physics

A ball moving with a speed of 26 m/s strikes an identical ball that is initially at rest. After the collision, the incoming ball has been deviated by angle 1 = 50° from its original direction, and the struck ball moves off at angle 2 = 29° from the original direction (Fig. 9...

Physics

There is current of 115 pA when a certain potential is applied across a certain resistor. When that same potential is applied across a resistor made of the identical material but 30 times longer, the current is 0.044 pA. Compare the effective diameters of the two resistors. d2...

Physics

Mercury is poured into the open end of a J-shaped glass tube, which is closed at the short end, trapping air in that end. How much mercury can be poured in before the mercury overflows? Assume air to act like an ideal gas. The long and short arms are 1 m and 0.5 m long, ...

Physics

Mercury is poured into the open end of a J-shaped glass tube, which is closed at the short end, trapping air in that end. How much mercury can be poured in before the mercury overflows? Assume air to act like an ideal gas. The long and short arms are 1 m and 0.5 m long, ...

Physics

Mercury is poured into the open end of a J-shaped glass tube, which is closed at the short end, trapping air in that end. How much mercury can be poured in before the mercury overflows? Assume air to act like an ideal gas. The long and short arms are 1 m and 0.5 m long, ...

physics

A roller coaster moves 200 ft horizontally and then rises 135 ft at an angle of 30 degrees above the horizontal. Next, it travels 135 ft at an angle of 40 degrees below the horizontal. Find the roller coasters displacement from its starting point to the end of this movement. ...

Physics

A harpsichord string of length 1.50 m and linear mass density 26.0 mg/m vibrates at a (fundamental) frequency of 460.0 Hz. (a) What is the speed of the transverse string waves? m/s (b) What is the tension? N (c) What are the wavelength and frequency of the sound wave in air ...

Math

Hi I did a quiz today it said I got A 5/9 but it did not show me the correct answers or the ones i missed so if it could be possible that someone could the answers so I could see which ones I need to fix please help me I just came here to see which ones are correct also I'm ...

Chemistry - pH

Calculate the pH of each of the following solutions: a) .35 M hydrochloric acid, HCl b) .35 M acetic acid, HC2H3O2 c) .35 M sodium hydroxide, NaOH Can someone please explain to me how to calculate the pH in a way that is easy to understand? I am confused. Could you please do ...

Vectors

Could you please help me solve this question: Solve this system of equations using elementary operations. 1. x/3 + y/4 + z/5 =14 2. x/4 + y/5 + z/3 =-21 3. x/5 + y/3 + z/4 =7 So far, I have multiplied all three equations by 60, to turn them into whole numbers. Then everytime I...

Engineering Kinematic

The particle travels along the path defined by the parabola y=0.5(x^2). If the component of velocity along the x-axis is v=5t [m/s], determine the particle's distance from the origin and the magnitude of its acceleration when t=1s. The initial condition is t=0, x=0 and y=0. ...

art

Can someone please help me find some information on this sculputre: A Young Woman of Trastévère, by Charles Cordier ? I have to write a few pages about it, but I can't find much about this piece online. Google isn't giving many results either. Please help me!

marketting ,,,,,,please help me asap

please is any one can hel me to answer this question as soon as possible thanks a lot. question in the subject marketing. 1.what distribution decisions would a new firm RENTS VANS to small business, seasonal business have to make?

Science

Can someone please help me please thank you. Climate change is an environmental issue in the news almost daily, and air pollution impacts us on a global level. What are the implications of global warming? Do you think the efforts to improve air quality are worth the economic ...

Math, Please Help!!!

an engineer designs a satellite dish with a parabolic cross section. The dish is 15 ft wide at the opening and the focus is placed 4 ft from the vertex. find an equation of the parabola. I know how to work this problem, but how do I know that I use the equation y^2 = 4px ...

Biology please help anybody!

there's this a level question in a ten-year series book in 2008, the question asks what is the sequence in which it occurs: 1. polyadenylation 2. removal of introns 3. splicing exons 4. capping And the options given are: a) 1,3,2,4 b) 2,4,1,3 c) 3,1,4,2 d) 4,2,3,1 I've looked ...

Spanish-Please check my work

Could someone please check this for me. I had to rewrite the following sentence using a direct object pronoun in two different ways. I wrote: Nosotros queremos leerlos. Los hosotros queremos leer. Thank you for checking

Chemistry(Please help)

Calculate the pH of an aqueous solution of 0.15 M potassium carbonate. I know that pH = -log(H30+) but I am not sure how to start this problem. Chemistry(Please help) - DrBob222, Saturday, April 14, 2012 at 11:09pm Hydrolyze the CO3^2-. CO3^- + HOH ==> HCO3^- + OH^- Do an ...

Math

please help please show work so i can do others ok so i have to find the equation of the linethat contains given point and is parallel to the given line then write a slope intercept form if possible (8,-4) y=-1/2x+11 I also have to do the same for this type and im stuck too (-...

math

please help me I need to finish this so that I can go into grade 11. A new water tower must be equidistant from three communities. They are located at (-25, 20) (-5, -40) and (15, 30). Find the coordinates of the point where the water tower should be built which i am assuming ...

Probability

If X is a normal random variable with mean 11, and if the probability that X is less than 12.10 is .72 , then what is the standard deviation of X? Select one: a. 3.00 b. 6.25 c. 2.50 d. 1.25 Please note that the answer for the above is stated as c.2.50. However, my answer ...

8th grade reading ! please help !

I have a presentation due tomorrow on a connection that I made with the Anne Frank Remembered novel but I cant think of an item that I can connect to the novel.. I need help. It has to be one paragraph about the connection and it can be a song,poem,or object. Please help me !

Algebra please explain

A boat costs $92,000 and depreciates in value by 15% per year. How much will the boat be worth after 10 years? 18,112.45 78,200 18,941.98 69,000 Is the answer the first one? Could somebody write down the steps for me please? Thanks

Math

Use the circle graph to determine how many hours per day Becky spends on each activity. School=25% Eating=10% Sleep=40% Homework=10% Freetime=15% I think my answer would be 25/100=x/1 4 hours Can you please check my answer,Please help me I am a little lost.

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