# physics please HELP !

128,227 results, page 96

### History

Describe the atrocities committed in Congo by King Leopold’s colonial managers. Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's not a tutor with this specialty ...

### creative writing- please help

Please help me- I signed up for a creative writing class thinking that I would do pretty well because I am not that bad of a writer but the questions that are asked are really hard to answer. The questions that were asked were like "how old is the color T" (I guess it's ...

### Spanish please check

please check if I answered these questions correctly-they had to be in the past tense-not sure what number 6 is asking 1.¿Comó te sentiste ayer? Me sentí muy bien ayer. 2. ¿Adonde fuiste ayer? Yo fui al cine. 3. ¿Adonde fue tu mama ayer? Mi mama fue a la tienda. 4. ¿...

### psychology

For this discussion, please choose one of the two options: behaviorism or cognitivism. Taking on the role of either a behaviorist or a cognitivist, you will demonstrate your understanding of your chosen psychological view by explaining why your theory and its history are ...

### Chemistry

I am completely lost in chemistry. Everything the teacher says sounds like a different language to me and I am usually really good in the class. Can someone help me do this problem please? An element "E" is present as 10E (The 10 is like an exponent to the left of the E) with ...

### Science [Earth]

Can you please: 1. briefly explain the concept of radioactive decay and describe how it can be used to find the absolute age of rocks. 2. contrast relative age with absolute age and describe at least three methods of determining either. 3. compare advantages and disadvantages ...

### Physics

Why, when you stroke a cat's fur, or comb your hair on a cold, dry day can you hear a crackling sound? Doing these things in a darkened room, you can actually see sparks. Explain. Please explain to me! Thanx !! Static electricity builds up with a positive charge on one of the ...

### Math

Mrs. Lincoln budgets her monthly take-home pay. The remainder she deposits in her savings account. She budgets 1/3 of her take-home pay rent, 1/8 for car expenses, 1/6 for food, 1/24 for insurance and 1/16 for entertainment. What is Mrs. Lincoln's monthly take-home pay if she ...

### Physics

1)When a car drives off a cliff, why does it rotate forward as it falls? (Consider the torque it experiences as it rolls off the cliff.) 2)The front wheels located far out in front of the racing vehicle help to keep the vehicle from nosing upward when it accelerates. What ...

### Org. Chem.

We did an experiment with the synthesis of n-butyl bromide, using n-butyl alcohol, NaBr, and H2SO4. The question is: Aqueous sodium bicarbonate was used to wash the crude n-butyl bromide. A) What was the purpose of this wash? Give Equations. I know it was used to remove any ...

### active physics

a=change in velocity/time, is this the formula i use for this question: a car takes 5 seconds to speed up from 10 m/s to 60 m/s. what is the acceleration? yes! so what do i do from there? If it goes from 10 to 60, what is it's CHANGE in velocity (speed)? is it 50 Yes...so now ...

### Chemistry: please help, I am stumped

When nitroglycerin (C3H5N3O9) explodes, it decomposes into the following gases: CO2, N2, NO, and H2O. If 239g of nitroglycerin explodes, what volume will the mixture of gaseous produces occupy at 1.00 atm pressure and 2678oC? a. Write a balanced equation for the reaction. b. ...

### Solar Energy please help

Greeting All, please assist with the below. Thanks. The spectral power density of a solar simulator is given by: P(Î»)=7.5âˆ—1015Î»âˆ’2.25âˆ—109 [Wm^-2m^-1] for 300nm<Î»<500nm P(Î»)=2.25âˆ—109âˆ’1.5âˆ—1015Î» [Wm^-2m^-1] for 500nm<...

### Math Please explain

Mike’s Sporting Goods sells elliptical trainers under two payment plans: cash and installment. Under the installment plan, the customer pays $90/month over 5 years with interest changed on the balance at a rate of 19%/year compounded monthly. Find the cash price for an ...

### physics HELP PLEASE I REALLY NEED A ANSWER FOR THI

timmy is sitting at rest, he has50j ofGPE .then his dad gives timmy a big push, and when his dad let go timmy has 75J of GPE and 125J of KE a) Befoe his dad pushes him GPE____ KE___ TE____ B) Immrdialty after his dad pushed him GPE_____ KE____ TE___ C) think about the Law of ...

### SCIENCE

John Ryther developed a model aquaculture farm at the Woods Hole Oceanographic Institution that obtained nutrients from __________. I'm not certain whether the answer is sewage, bacteria or algae. Someone please help. His 1st raw ingredient is treated sewage. Please read: http...

### Role of computers in media

could u please help me out and give me a few tips about the role that computers, specifically I.T. plays in the media?? i have gathered a few ponts but not enough...any suggestions are welcome.. Please list what you have come up with so far. Then teachers won't duplicate ...

### Spanish please test tommorrow

can you please help me translate the answers 1: What type of exercise do you do in order to live a healthy life? I play sports and walk everyday my answer in spanish: Me siento muy feliz sobre mi perito nuevo 2: How do you prepare for school in the morning? (use reflexive ...

### Physics ~IMPULSE~

a) A tennis racket a 450 N force on a 0.05 kg tennis ball over a 0.006 s time period. What is the impulse applied to the ball? b) A ball (0.5 kg) is thrown with a velocity of 15 m/s. A receiver catches the ball and brings it to rest is 0.02 s. a) What is the change in momentum...

### inequalities

A home-based company produces both hand-knitted scarves and sweaters. please help please The scarves take 2 hours of labor to produce, and the sweaters take 14 hours. The labor available is limited to 40 hours per week, and the total production capacity is 5 items per week. ...

### chemistry

146 mL of wet H2 gas is collected over water at 29.0 degrees celsius and room pressure of 750 torr. give the volume of the dry H2 gas collected at STP, give the mass of the dry H2 collected, and give the volume of the dry H2 at room conditions and the volume of H2O in the ...

### Physics

Posted by Adam on Thursday, August 13, 2009 at 11:08am. In the figure take q1 = 22uC and q2 = 20u. The force on q_1 points in the - x direction, What is the magnitude of the force on q_1? I don't know where to start, can someone help me? Responses Physics - bobpursley, ...

### Math(Geometry)

To Lauren - Ms. Sue, Monday, September 28, 2009 at 10:24pm What post? What is your question? In addition, your "name" can not be HELP ME NOW!!!! No one appreciates being screamed at to help you now! Using all caps online is like screaming at us. To Lauren - HELP ME NOW!!!!, ...

### Physics -- check answers please

1. Which of the following best shows the transfer of heat by radiation? my answer: c 2. Which of the following best shows the transfer of heat by convection? my answer: b 3. Water has specific heat of 4200 J per kilogram per degree celsius. This means that 2 kg of water will ...

### physics please help!!

A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V Volts. (C is the capacitance and U is the stored energy.) Select true or false for each statement. 1) With the capacitor connected to ...

### Physics

In physics, work is defined as the product of the A) net force and the distance traveled B) net force parallel to the motion and direction traveled C) net force parallel to the motion and the time it is applied

### Math

Jake can carry 6 1/4 pounds of wood in from the barn. His father can carry 1 5/7 times as much as Jake. How many pounds can Jake's father carry? Answer: 1 3/28 Can you please double check the above answer. I don't know if it is right or wrong. 2. A glass can hold 3 1/3 cups of...

### Maths

Can someone give me the checkpoint exam topics that are required for a student to revise Please give us more and clearer context for your question. It is not clear what you want to know. What exam topics? Why do you need to revise them? Please repost with the additional ...

### spanish

Estoy interesado en conocer gente Quiero ver y experimentar otras culturas. Quiero aprender otras culturas. Quiero descubrir nuevas comidas y las personas. Quiero ver cómo es la vida sobre. Estoy interesado en sacar fotos de otros del país. Quiero probar diferentes alimentas...

### English

Hello. I'm very grateful for all your help and attention. I've already asked a similar question but there are so many tenses in English that sometimes it's difficult to see the difference. Please help me to choose the correct structures (maybe all of them are OK? If yes, ...

### physics

A 750-N physics student carries a 4.0 meter board, uniform in shape, and 190 newtons in weight to our swimming pool. The student then places the board on the deck and next to the pool in such a way so 1.5 meters of the board extends out over the edge of the pool. How far, in ...

### Physics

The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum permissible load for the rod if it has a diameter of 3.000cm? ANS = kN (Round to 3 decimal places) Safety = 5.000 Rod diameter = 3.000cm = 0.03m Ultimate ...

### physics graphing help please

(a) Write the equation for a transverse sinusoidal wave with a maximum amplitude of 2.5 cm and an angular frequency of 2.9 rad/s that is moving along the positive x-direction with a wave speed that is 5.00 times as fast as the maximum speed of a point on the string. Assume ...

### Math for Trish To Help Me With

Factor the following. You will earn 5 points for each polynomial that is factored correctly. Please label your individual answers with a – f. a.) 4x2 - 25 b.) 3x2 + 6y c.) x^2 - 7x + 10 d.) 2x^2 - 9x – 18 e.) 2ax + 6bx + ay + 3by f.) 6x^2 + 12x – 48 *Can you help me with...

### horizontal displacement physics

how do we find horizontal displacement in physics?

### College Physics

Use the relativistic coordinate transformation (x, y, z, t) − (x′, y′, z′, t′) shown and given below where the latter frame S′, (x′, y′, z′, t′), has a velocity 2.69813 × 108 m/s in the positive direction relative to...

### English

Could you please check my sentences, please? Thank you, Writeacher. 1) You can't get out of it: you must confess that you have broken the vase. We were having dinner when the lights went out. 2) The teacher invited me to look up the unknown words in the dictionary. 3) Would ...

### 7th grade math help asap plz

6. In which quadrant is the point (x, y) located if x is negative and y is positive? (1 point) II III IV I At the halftime show, a marching band marched in formation. The lead drummer started at a point with coordinates (–2, –5) and moved 3 steps up and 1 step right. a. ...

### Physics

A block M1 of mass 20.0 kg sits on top of a larger block M2 of mass 30.0 kg which sits on a flat surface. The kinetic friction coefficient between the upper and lower block is 0.415. The kinetic friction coefficient between the lower block and the flat surface is 0.115. A ...

### algebra

In 1992, the life expectancy of males in a certain country was 61.6 years. In 1995, it was 65.2 years. Let E represent the life expectancy in year t and let t represent the number of years since 1990. The linear function E(t) that fits the data is... E(t)=_____t + _______ (...

### need HELPwith 2 questions!!

How long is day and how long is night? Does the sun come up in the morning all over the world? Explain please help me I only need: How long is day and how long is night? Does the Sun come up in the morning all over the world? Please explain to me. At any given time, how much ...

### PHYSICS

A hollow brass cylinder is weighed on a pan balance (kitchen scale) which read in kg. The scale reading is 5.56 kg. The brass cylinder is now removed from the scale and is replaced by a beaker of liquid density 1.56 * 10^3 kg/m^3; the scale now reads 17.50 kg. The brass ...

### math

I am a little confused on the first question of this problem could someone please check my answers and please explain why and what I need to do to get correct answer thank you Calculate the mean, and write this as a mixed fraction. 12,9,4,6,8,12,13,14,11,5,12,2,9,13 answer I ...

### PHYSICS, PLEASE HELP TODAY!

when it comes to chunks being ejected the masses are and velocities are 5kg(1737m/s), 10kg (184.3m/s), 100kg (1994m/s), 1000kg (2008m/s) What happens to the difference between the velocities as the number of chunks increases? What happens to the kinetic energy of the system ...

### 7th grade science Ms. Sue please check

Hi! Can you check my answers please and I need help on 4 and 5 I cannot find the answers!!!! Please help! 2. _____ transports materials within a cell and between cells and makes up ______ percent of most organisms. (1 point) Fat; 60 Protein; 40 Sugar; 75 Water; 50 3. Which of ...

### Physics

A small rocket is fired in a test range. It rises high into the air and soon runs out of fuel. On the way down it passes near an observer (sitting in a 21.5-m-high tower) who sees the rocket traveling at a speed of 35 m/s and moving in a vertical plane at an angle of 56° ...

### Algebra please help

1. Find the distance between the pair of points. Round to the nearest tenth is necessary. (-10, 4) and (6, 12) a. 11.4 b. 17.9 c. 31.4 d. 23.7 2. Find the distance between the pair of points. Round to the nearest tenth, if necessary. (-8,10) and (-2,10) a. 13.6 b. 21.2 c. 23.4...

### Social Studies (URGENT)

Why was it much more common to help and visit on'es neighbours during the 1820's in Upper Canada than it is here today? This is the only part in the textbook that talks about it but I can't find answer. text: It was much more common to help and visit on'es neighbours than it ...

### Psycho Hepl Please

Todd said to his wife, "Honey, you know how we have always wanted to be in business for ourselves? Well, today I did it! I have rented a 3,00 square goot business, hired six employees, ordered office furniture; we are in business." During the first three weeks, Todd was ...

### physics

in different parts of a car air conditioner a liquid changes to a gas and a gas changes to a liquid. a)which of these changes causes the cooling?why? b)describe how the air conditioner removes heat from the car's cabin. can someone please help??thank you so much! it takes heat...

### Chemistry Help Please!

SHOW WORK PLEASE SO I CAN DO THE REST OF MY HW BY LOOKING AT THIS QUESTION. The decomposition of hydrogen peroxide is catalyzed by iodide ion. The catalyzed reaction is thought to proceed by a two-step mechanism: 1. H2O2(aq) + I(aq) → H2O(l) + IO(aq) (slow) &#...

### Physics

You slide your friend with a mass of 65 kg out of the way as they are blocking the exit and keeping you from escaping from physics class where you have been tormented by problems for the last hour and a half. The coefficient of kinetic friction between the floor and your ...

### finance... please help me urgent

an you help me please to get an ideas or relevant answers to the questions. thank you 1. how does money affect in business firms. ans. money or the exchange rates is the most important in order to maintain and stabilise the business firms. 2. Is political will can contribute ...

### World History / SS

I am having trouble finding the answer to the following homework question. Can someone please assist me so I can get on the right track? Since world war ll, the European imperial countries have: A. Tried to reestablish their former empires especially in Africa B. Continued to ...

### Health care please check my answer

Please check my answer thank you A 15 year- old female patient has experienced daily nausea for the past two months. The patient states that she feels like " I've eaten something that has upset my stomach" The patient has noticed a weight gain of 10 lb with in this two- month ...

### physics repost bobpursley

The energy given off by 300 grams of an alloy as it cools through 50°C raises the temperature of 300 grams of water from 30°C to 40°C. The specific heat of the alloy (in cal/g C ) is: i know Q=CpM(delta T) but what is what? Responses * physics - bobpursley, Monday, June 22...

### 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 help please!!!

In February 2004, scientists at Purdue University used a highly sensitive technique to measure the mass of a vaccinia virus (the kind used in smallpox vaccine). The procedure involved measuring the frequency of oscillation of a tiny sliver of silicon (just 28.0 long) with a ...

### language arts(CHECK ANSWERS)

please check these answers there really quick. 11.the zoo has recently acquired pandas,giraffes and lions. were does a comma belong? A. After and B. After zoo C. After giraffes(I PICK THIS) D. After acquired 12.Hector would you please relax? where does a comma belong? A. After...

### math

in a big right triangle with a small right triangle inside of it. C is the length of the whole thing., R is the adjacent of the small tri. H is the oopisite of the small tri. B is the adjacent of the big tri. as well as the hypotenuse of the small tri. S is the oppisite of the...

### Chemistry (Regents level)

1- In the reaction Fe2O3 + 3 CO = 2 Fe + 3 CO2, what is the total number of moles of CO used to produce 112 grams of iron? a) 1.0 b)2.0 c)3.0 d)4.0 2- Given the reaction: 4Al + 3O2 = 2Al2O3 How many moles of Al2O3 will be formed when 27 grams of Al reacts completely with O2? a...

### Early Childhood Education

Which of these is a form of unintentional socialization a)requesting that children say please and thank you b)calculating the answer to a homework problem for a child with a learning disability c)teaching children to used a computer d)being kind to a slow moving elderly ...

### 7th grade math help Ms. Sue quick please

HELLPPP ME PLEASE I ONLY KNOW THE LAST QUESTION! I need to have more than three steps! Please help! B. A discount of 20% is applied to the doll’s original price of $12.99. What is the price of the dolls with the discount applied to $12.99 + 5% tax? Show all of your work! ...

### Physics (please help!!!!)

Blood pressure is usually reported in millimeters of mercury (mmHg) or the height of a column of mercury producing the same pressure value. Typical values for an adult human are 130/80; the first value is the systolic pressure, during the contraction of the ventricles of the ...

### Religion, correction,edit

can someone correct this for me please. on buddhism the questions are: Country of origin: my answer: north east indian Historical figures and events: My answer: the founder of buddhism -Siddhartha Gautana(the buddha) Central Believes: my answer: *Buddha *the three jewels(...

### Englis

Dear teachers ,Please read this paragraph and fix the errors.please !!! Shahrazad is main character of the one thousand and one nights. She is a good story teller, a Psychiatrist, and a guru. She is a fearless woman, determined to safe her female gender from madness of the ...

### English

Can you please check these sentences please? Thank you. 1) Along the wall in front of the left window there is a book closet (correction: book shelf) 2)What distance do you walk to school every day? OR How far do you walk to school every day? 3) They have a 15-minute break. So...

### Chemistry-please help

What is the purpose of adding zinc chloride in the preparation of starch iodide paste? Please refer to the procedure below: - Starch Iodide Paste- Heat 100mL of water in a 250mL beaker to boiling, add a solution of 0.75g of potassium iodide in 5mL of water, then add 2g of zinc...

### math (algerba 1) Please help!

In basketball you score 2 points for a field goal and 1 point for a free throw. Suppose that you have scored at least 3 points in every game this season, and have a season high score of 15 points in one game. How many field goals and free throws could you have made in any one ...

### biology

What processes in the transparency release carbon dioxide into the atmosphere? Please check your question. It makes no sense. Please read: http://en.wikipedia.org/wiki/Cellular_respiration what processes in the transparency release carbon dioxide into the atmosphere

### Physics ~ Please help

The index of refraction of a transparent liquid (similar to water but with a different index of refraction) is 1.39. A flashlight held under the transparent liquid shines out of the transparent liquid in a swimming pool. This beam of light exiting the surface of the ...

### English

When is greatness is a bad thing. Please don't say when it is misused. I need a good answers please. Thanks in advamce. Greatness is a bad thing when it's misused. Greatness that is used correctly is good. Think of the great leaders -- such as Jesus, Muhammad, Gandhi. The were...

### math

a rectangle is to be inscribed under the arch of the curve y = 2cosx from x=-pi to x=pi. What is the length of the base of the rectangle with maximum area? can someone help me with this....i have a lot of problems to do just like this but i don't understand them. can someone ...

### Physics

After school you have been working on your slingshotmanship. Interested in the physics of the slingshot, you take data that compares the force of the extended slingshot versus the displacement from equilibrium. You think this graph is very similar to that of a spring so you ...

### English

3. Which of the following is the best revision for strong verbs in the sentence below? Mrs. Benoit is the events organizer for a nonprofit organization. a. Mrs. Benoit does events for a nonprofit organization. b. Mrs. Benoit organizes events for a nonprofit organization. c. ...

### Environmental Science

Design an exhibit focusing on the importance of biodiversity. Congratulations! You have been hired by the largest natural history museum in the world (Miller, 2005). Your first responsibility will be to design an exhibit that emphasizes the importance of biodiversity. The ...

### C programming

Please name your submission of this problem as b.1.c (20 pts) and b.2.c (20 pts) You are the official score keeper for the "C" Bowling Association (CBA). You should write a program that will: a. Input date of game (three integers yyyy/mm/dd). b. Input bowler'...

### language arts

abc order for geology geography geologist graphite autograph photograph biopsy biology biosphere transact enact actor react import transport portable export When you get them in ABC (alphabetical) order, please re-post and we'll let you know how you did. A good dictionary ...

### Spanish-Please check

Could some one please check these-I had to answer them in the past tense which is still confusing me-I think most of them are correct-Thank you 1.¿Comó te sentiste ayer? Yo sentí muy bien. 2. ¿Adonde fuiste ayer? Yo fui al cine. 3. ¿Adonde fue tu mama ayer? Mi mama fue a ...

### Chemistry. Please help!!

Calculate the final temperature when a 18.7 gram sample of ice at 0 degrees C is placed into a styrofoam cup containing 113 grams of water at 71.6 degrees C. Assume that there is no loss or gain of heat from the surroundings. Heat of fusion of ice = 333 Jg^-1 Specific heat of ...

### math

since 120/500 is equal to 100 that means ...............i still don't get it......... please..... i need help.can you at least give me the answer please tbhis is hohnors math and for me its hard........ Tom,Ted,Tony,Terry worked together on a job.The job paid $500.Each boy was...

### english

we are reading the scarlet letter by Nathaniel Hawthorne. can you please tell me why Arthur Dimmesdale is the greatest sinner in the book and give examples and quotes (for quotes include what chapter it was found in) thanks! You should go to www.sparknotes.com/lit and read the...

### I need help

Answer the following questions: i.Which factors are important in multitasking for thread initialization? ii.What is the use of program segment prefix and where is located. iiiWhat is the difference between the interrupt routine and the strategy routine? iv.Which bit of modem ...

### Math ms sue help

please help me with these defintions of math terms please: a number that can be expressed as the product of 3 equal factors? a number that can be expressed as the product of 2 equal factors product of 1 and a radical product of a rational number and a radical

### physics

i'm not very good at physics and i have an exam tomorrow!! for the first one do i use the formula F=-Kx to make the answer -4500 ? and for the second i really have no idea what formula to use what is the value for k if a spring stretches 0.4m when submitted to a 1800N force? ...

### physics

please check this: Which sentence best describes electrical conductors? a. electrical conductors have low mass density b. electrical conductors have high tensile strength c. electrical conductors have electric charges that move freely d. electrical conductors are poor heat ...

### algebra

simplify. 3 - 2(4 - 7) ÷ 9 i don't know what to do after i subtract 4 and 7 which is -3 then multiply 2 which is -6 then i don't know what to do afterwards, i know pemdas so -6 divided by 9 cannot be so please help on that. the integers from -3 to +3 can be used in the blanks...

### Physics (Stress & Stain)

The ultimate strength of a steel rod is 600.000MPa. if the factor of safety 3.000 is required, what is the maximum permissible load for the rod if it has a diameter of 6.000cm? ANS = kN (Round to 3 decimal place) Ultimate strength = 600.000MPa = 600000000Pa = 600 * 10^6 Factor...

### Physics

three rotating, uniform disks that are coupled by belts. One belt runs around the rims of disks A and C. Another belt runs around a central hub on disk A and the rim of disk B. The belts move smoothly without slippage on the rims and hub. Disk A has radius R; its hub has ...

### math(check answers please)

hi please check my math answers i only have 2 for now i just wanted to make sure i had the right idea. sarah is making her own halloween costume.The costume requires 2 5/8 yards of materials.Write the number of yards needed for sarahs halloween costume as an improper fraction...

### Physics

Station Math Two station astronauts will each perform two 8-hour EVAs within 13 days to repair a damaged solar panel that was impacted by a micrometeoroid on the space station. What is the total amount of oxygen needed by the two astronauts to accomplish this? Please put your ...

### Algebra

I have about 3 homework problem that I am stuck on! please help me. #1: The area of a rectangle is 16, and its diagonal is \sqrt{68}. Find its dimensions and perimeter. (x^2)+(y^2)=\sqrt{68} (x^2)+(y^2)=8.246 xy=16 y=16/x (x^2)+(16/x)^2=8.246 (x^4)+(96/x)=8.246 Then I got ...

### physics

a 65kg person dives into the water from the 10m platform. she comes to a stop 2m below the surface of the water. what net force did the water exert on the swimmer? so for the net force i got -2548N i know: vf^2=vi^2 + 2ad vf^2 = 0 + 2(9.8)(10) vf^2 = 196 vf=14m/s therefore to ...

### Physics

Please check my answers: The voltage across a 10-ohm resistor carrying 3 amps must be? I got 30 volts-v=?, I=3 amps, R= 16 ohm. v= 30 amps * 10 ohm=30 volts A 4-ohm resistor is connected in parallel with a 6 ohm resistor. What is the total resistance of this pair of resistors...

### physics

An athlete at the gym holds a 4.33 kg steel ball in his hand. His arm is 75.0 cm long and has a mass of 5.28 kg. What is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor? Responses Physics - bobpursley, Saturday...

### physics

Your physics teacher assigned a thermometer-building project. He gave you a glass tube with an inside diameter of 1.15 mm and a receptacle at one end. He also gave you 8.97 cm^3 of mercury to pour into the tube, which filled the receptacle and some of the tube. You are to add ...

### Engineering

A physics major is working to pay his college tuition by performing in a traveling carnival. He rides a motorcycle inside a hollow transparent plastic sphere. After gaining sufficient speed, he travels in a vertical circle with a radius of 13.4 . The physics major has a mass ...

### Algebra

Can someone help me on these questions, please.

### math

x2-x-20?please explain new to me