# physics please HELP !

128,227 results, page 75

### Physics

Specifically, which of the following best expresses your view: i. Many physics concepts make a lot of sense and connect to everyday experience; but formulas are more of a problem-solving tool than a sense-making tool. ii. It really depends on the formula. Some of them make ...

### Physics

Specifically, which of the following best expresses your view: i. Many physics concepts make a lot of sense and connect to everyday experience; but formulas are more of a problem-solving tool than a sense-making tool. ii. It really depends on the formula. Some of them make ...

### Physics

Can someone please answer my question on this paragraph from my physics book regarding basic aerodynamics: "Now we consider a spinning baseball moving through the still air. As the ball spins, it tends to drag air around with it. If the streamlines are curved, there are ...

### Science/ Landforms, glaciers

Hi, Could you please have a look at the satelite image of Gangotri Glacier? it can be found if you type: " Retreat of the Gangotri glacier" in google images. Please tell me how to measure the amount of advance or retreat of the glacier between 1780-1935, 1935 - 1964, 1964 - ...

### physics, please check work

a 15g bullet is fired at 840 m/s into a penullum consisting of a 24kg bag of sand. If the bag rises to a height of 80cm, how much energy is converted into thermal energy in the bag? Emechanical=Ek + Eg =1/2mv^2 +mgh =1/5(0.015)(840) + 0 =5292J Emechanical =Ek + Eg =1/2mv^2 + ...

### physics

Some enterprising physics students working on a catapult decide to have a water balloon fight in the school hallway. The ceiling is of height 3.2 m, and the balloons are launched at a velocity of 12 m/s. The acceleration of gravity is 9.8 m/s2 . At what angle must they be ...

### Physics

Some enterprising physics students working on a catapult decide to have a water balloon fight in the school hallway. The ceiling is of height 3.2 m, and the balloons are launched at a velocity of 12 m/s. The acceleration of gravity is 9.8 m/s2 . At what angle must they be ...

### PHYSICS

Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with these. Here is problem #3: A 30 kg kid on rollerskates is being pushed by his mom with a force of 10 ...

### college health care quality mangement

Please explain three things you have learned about quality and performance . What impact have these three things had on the evolution of health care quality programs? Please substantiate your answers with examples.

### socials

I tried to get this, but really I am unable to can someone please help me a little with this, then maybe I will be able to do the rest. make an organizer to compare government under a republic(the commonwealth), an absolute monarchy, and a constitutional monarchy. Use the ...

### Trigo help!

Ok, i've tried this question, and it brings me to no answers. Please help! Prove the following: secY(1+tanY)=6cosecY my workings: LeftHandSide: secY + tanY/cosY = 1/cosY + sinY/cos^2Y =(cosY+sinY)/cos^2Y = ??? How should i attempt this question?? Am i even on the right track? ...

### Algebra-Please check my answers

Posted by Jessie on Monday, October 18, 2010 at 3:48pm. I think I figured it out-please check I'm really stuck on these problems- Simplify 6xy(3xy)^-2? I think this is 2/3xy choices were 2/xy 3xy 2xy 2/3xy Simplify 12xyz^-2/8x^-2z choices were 3x^2y/2z^3 3x^3y/z^3 3x^3y/2z^3 x...

### Algebra-Please check my answers

Posted by Jessie on Monday, October 18, 2010 at 3:48pm. I think I figured it out-please check I'm really stuck on these problems- Simplify 6xy(3xy)^-2? I think this is 2/3xy choices were 2/xy 3xy 2xy 2/3xy Simplify 12xyz^-2/8x^-2z choices were 3x^2y/2z^3 3x^3y/z^3 3x^3y/2z^3 x...

### Algebra

Please help me with this Algebra problem: The length of a rectangle is 91 less than six times the width of the rectangle. If the perimeter of the rectangle is 84 centimeters, what is the length of the rectangle? Write a system of equations for this situation and find its ...

### Physics

A skier with a mass of 56 kg starts from rest and skis down an icy (frictionless) slope that has a length of 70 m at an angle of 32° with respect to the horizontal. At the bottom of the slope, the path levels out and becomes horizontal, the snow becomes less icy, and the ...

### AP physics

A NFL punter kicks a ball and lands 52 m away and is in the air for 4.8s. Assume that the ball lands at the same level that is is kicked. a. determine the initial velocity of the punt (magnitude and direction) b. determine the maximum height of he punt c. if the punter kicked ...

### Physics

Two cars approach along icy streets which meet at a right angle to one another. The cars collide and stick together. One car has a mass of 1200 kg and had a speed of 30 km/h in the +x direction before the collision. The second car has a mass of 1500 kg and was traveling in the...

### Social Studies

I need help finding a current event. I have looked everywhere and can't find one. It is supposed to be about catholic schools week and has to have happened anytime between last sunday and today. please don't give me one about a certain school. i would like one about the ...

### Physics -- check answers please

Use g=10 N/kg in this assignment. 1. What is the gravitational energy (relative to the unstretched surface of the trampoline) of the 20 kg ball at its apex 2 m above the trampoline? I got 400 J 2. What is the kinetic energy of the ball just before impacting the trampoline? I ...

### Business mathematics

In an examination of certain number of candidates 18 passed mathematics, 17 passed physics, 11 passed both mathematics and physics, 1 failed both subjects. Find the number of candidates that passed. i. Mathematics only. ii. Physics only. iii. Total number of candidates that ...

### Spanish

Could you please explain the transalation and how to answer for the first and check my answer for the second. Estás en el correo. ¿Qué hora es? I think this says I'm in the mail and what hour is it-but that doesn't make sense. Please explain how I answer this.Or is this ...

### PLEASE HELP ME SOLVE !!!!!!!!

A mass of 11 kg is placed on a frictionless incline which is inclined at an angle of 69 degrees above the horizontal. It is held in place by a rope which is attached to a wall at the top of the incline. The rope is angled 13 degrees above the direction parallel to the incline...

### stats please help ASAP!!!

A. The GPAs of all 5540 students enrolled at a University have an approximately normal distribution with a mean of 3.02 and a standard deviation of 0.29. Let x be the mean GPA of a random sample of 48 students selected from this University. Find the mean and standard deviation...

### Math

Hey i need help on my math hw i just don't get it lol please help me! Here the questions Which of the following equations has a graph that is parallel to the graph of 4x-2y=7? A:-2y = 4x+2 B:7-4x=2y C:4x+2y=2 D:-4x-2y=-7 E:2y=4x+7 Determine if the two lines 7x+5y=35 and y= -7 ...

### Math

Can someone please help me to answer the following question? The question below has four choices, but only one correct answer. Could you please help me with the correct answer for this question? Thank you in advance. Question # 1. Find the slope of the line passing through the...

### Science

Which branches of science do pharmacists need knowledge of to do their job properly? A.physics and chemistry B.biology and chemistry C.chemistry and geology D.physics and computer science Is the answer B?

### Math: Please help

1. What is the simplified form of squared root 140? A.) 4 to the square root of 35 B.) 10 to the square root of 14 C.) 2 to the square root of 70 D.) 2 to the square root of 35 Please show me how to do this Thank You

### physics

1)A hiker throws a ball at an angle of 21.0 above the horizontal from a hill 21.0 m high. The hiker's height is 1.750 m. The magnitudes of the horizontal and vertical components are 14.004 m/s and 5.376 m/s, respectivley. Find the distance between the base of the hill and the ...

### Physics

a) Imagine you are swinging on a vine, like a pendulum. If the coefficient of friction between your hands and the vine is 0.5, what must your grip strength be compared to your weight to not slip? b) Research on grip strength shows that males have an average strength of 490N ...

### physics need urgent helpp

i have tried everything, please helpp A snowmobile, with a mass of 530 kg, applied a force of 410 N backwards on the snow. What force is responsible for the snowmobile’s resulting forward motion? (Hint: Think action–reaction force pairs.) If the force of friction on the ...

### Physics 11 URGENT STEVE OR BOB OR ANY PHYSICS Guys

An 42 kmph wind blows towards 215 degrees while a plane heads towards 125 degrees at 152kmph. What is the resultant velocity of the plane? tenks vry much!!!!!!!!!!!!!!!!!!!

### english garmmar

please help me if this correct answer or grmmar question below. what is your purpose to visit to canada and provide your itenerary. my answer. i am going to canada for work since i have an employer for 2 years contract working. 2.what other country you wish to visit and who is...

### English

(please help) I need help with my English assignment ASAP. I need to know the meaning of Impetus? These are the exact words. Brief summary of the impetus behind your scenario. Be clear to show a clear link to the chosen topic. I do not understand the meaning of Impetus can ...

### physics....again

A typical light bulb is 2% efficient. It means that only 2% of electric energy is converted into visible electromagnetic radiation and 98% is converted into ultraviolet radiation known as heat. Suppose a 100W bulb is turned on for 10h. a. how much energy is used by the lamp? ...

### physics

One particle has a mass of 3.38 x 10-3 kg and a charge of +7.76 ìC. A second particle has a mass of 8.46 x 10-3 kg and the same charge. The two particles are initially held in place and then released. The partcles fly apart, and when the separation between them is 0.159 m, ...

### physics

You are designing a hydraulic lift for an automobile garage. It will consist of two oil-filled cylindrical pipes of different diameters. A worker pushes down on a piston at one end, raising the car on a platform at the other end. To handle a full range of jobs, you must be ...

### Algebra

6x²y³ + 9x²y³ 15x²y³ ------------- = ---------- 3x²y² 3x²y² = (15/3) (x²/x²) (y³/y²) = 5y Just want it to know if is correct, but don't y³ + y³ = 2y³? I'm confused now. Can someone please help? yes, the answer is 5y and yes, y³ + y³ = 2y³ but where did this...

### english

Please how do I create a sentence outline that includes effective arguments and counterarguments to support my thesis below? Essay topic is dress codes in schools. I just don't know how to do this or where to start. Please help me start and I can build from there. Thesis: ...

### algebra

could you please help me? john needs to earn $693 to pay for trip. he finds job that pays $7 per hour and he mows lawns for $9. an hour a. write an inequality describing his goal in terms of hours at his job, x, and hours mowing lawns, y . i wrote 7x + 9y = 693., is this ...

### Art help please

a cityscape artist completes a portrait of a busy, grimy, dirty, city with no signs of nature. which of the following might he be suggesting humanity's relationship with the surrounding world? A. cities encourage productivity and life B. cities encourage disconnection from ...

### physics-can anyone solve this please

3. A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region of magnetic field...

### Physics

A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.420 . Suddenly, the plane accelerates forward, its altitude remaining constant. What is the maximum ...

### Science 8A Electromagnetism

Hi, Umm, can someone give me an example because I'm kind of confused. I need help! Please help me! For this portfolio, you will design an experiment to investigate the relationship between the number of coil loops and a strength of a solenoid. Once you have an experimental ...

### World Studies

Why was the Civil War important? Why was World WarII important? Please answer my questions! http://en.wikipedia.org/wiki/World_War_I http://en.wikipedia.org/wiki/World_War_II Please note that we are not here to do students' homework for them. Our tutors try to give you the ...

### AP Physics

Hi, please help me solve these questions for my class. I have so much homework A car traveling at 17 m/s accelerates at 3.3 m/s2 for 16 seconds. To the nearest meter how far does it travel? To the nearest tenth of a m/s, what is the final velocity of the car in the previous ...

### Physics

My professor tells me I'm not using the right formula for this problem. can someone please help me. The formula is not delt p = density x gravity x height The mercury manometer on the right and the pressure transducer on the left are both connected to a piston-driven pressure ...

### physics

A mountain-climber friend with a mass of 82 kg ponders the idea of attaching a helium-filled balloon to himself to effectively reduce his weight by 25% when he climbs. He wonders what the approximate size of such a balloon would be. Hearing of your physics skills, he asks you...

### physics

A mountain-climber friend with a mass of 82 kg ponders the idea of attaching a helium-filled balloon to himself to effectively reduce his weight by 25% when he climbs. He wonders what the approximate size of such a balloon would be. Hearing of your physics skills, he asks you...

### physics

A mountain-climber friend with a mass of 82 kg ponders the idea of attaching a helium-filled balloon to himself to effectively reduce his weight by 25% when he climbs. He wonders what the approximate size of such a balloon would be. Hearing of your physics skills, he asks you...

### physics help

Please explain the answers. Thank You 1. A rifle is fired horizontally over a large flat plane. At the instant the rifle is fired, a student drops a second identical bullet from the same height as the rifle. Which bullet hits the ground first? 2. A monkey is hanging from a ...

### economics

ABC Machinery produces ice machine with historical (monthly) data in the Excel file. Please construct its short-run total cost function to answer the following questions: QUESTIONS 1. Given the data, please construct a Short-Run total cost (TC) function (cubic function) by ...

### MATH!!

(1)At the begining of her math class, Mrs. Reno gives a warm-up problem. She says, "I am thinking of a number such that 6 is less than the product of 7 and this number is 85." Which number is she thinking of? A-11 B-84 C-13 D-637 ___________________________________ (2)If x and...

### science

please help me with this challenge question, as i don't quite understand it.: Yolanda makes this hypothesis: "If salt is added to water, then the water will boil at a lower temperature." She sets up and experiment to test her hypothesis, but discovers that it actually takes ...

### Math 8th Grade - Ms. Sue please

After receiving a grant for music education, a school decides to build a new band room for its expanded music program. Quadrilateral ABCD represents the floor plan of the new band room. What is the area of the room? AE = 32 ft. BE = 12 ft. CE = 26 ft. DE = 26 ft. There is a ...

### physics

1.)The apparent weight of a passenger in an elevator is greater than his true weight? Why is that? 2.) The radius of larger circle is twice that of a small circle. Two identical stones are attached to cords that are being whirled on a table top at the same speed. How would the...

### physics

A 748 N student stands in the middle of a frozen pond having a radius of 5.3 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 2.1 kg physics textbook horizontally toward the north ...

### Physics

A 750 N student stands in the middle of a frozen pond having a radius of 5.4 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 2.0 kg physics textbook horizontally toward the north ...

### physics

A 740 N student stands in the middle of a frozen pond having a radius of 4.8 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 2.8 kg physics textbook horizontally toward the north ...

### Math

The path of a cliff diver as he dives into a lake is given by the equation y= -(x-10)^2+75, where y meters is the divers height above the water and x meters is the horizontal distance travelled by the diver. What is the maximum hight the diver is above water? Is the answer to ...

### Algebra

Can someone help me with this please. Andrew factored the expression 20x^3-12x^2+8x as 4x(5x^2-12x^2+8x) but when melissa applied the distributive law and multiplied out 4x(5x^2-12x^2+8x)she got 20x^3-48x^3+32x thus Andrews solution does not appear to check. Why is that? ...

### Chemistry(Please help)

delta Go = -431.16kJ/mol - (298k X 0.12529 kJ/K*mol) I am having trouble converting the units for delta H and delta s to match. I multiplied delta H by 1000 to get kJ but this didn't give me the correct answer. Chemistry(Please help) - Dev, Wednesday, April 25, 2012 at 6:56pm ...

### I Have To Write A 2 page Essay---HELP PLZ!!!

I have to write down all the factors in my early life that have influenced the way I developed. Then I have to use those factors in an essay. What factors besides hereditary factors and enviromental factors, can I list? Can you suggest maybe a way to begin my essay? THANK YOU...

### physics

A sheet of 6 cm in thickness causes the original intensity to decrease to 59% of its original value. You are trying to build a soundproof room that reduces sound coming in and out by 95%. That is, the intensity after crossing the walls is only 5% of the initial value. What ...

### ...English...

For someone to struggle for freedom (any sorts of freedom), do you need to be committed? And if you do, what are some ideas how being committed is helpful to attempt to gain freedom? I thought of one point, I know you need to be committed to gain freedom because you need to ...

### physics (please help elena)

We will now examine how much time we need to stop a ship-engine-like cylinder. Suppose you take a rotating cylinder and let it roll to the right until it reaches a vertical wall. It then spins against the two walls as shown in the picture, slowly slowing down. How much time ...

### PLEASE PLEASE help - Social Studies

This is due Monday and I am having problems. Only have an educated guess but want to see what you all think. Industrialization in Europe A. Allowed many European artisans to become factory owners. B. Forced many artisans to become permenant wage laborers C. Destroyed all ...

### AED 204

In 200 to 300 words name two other factors that have potential to prevent equality in education. Elaborate on the two you choose. Other than the obvious obstacles of prejudice and discrimination (such asa, boys getting more attention than girls; minorities in poor schools; and...

### Physics

A pistol is shot upwards at an angle of 37 degrees above horizontal, with an initial velocity of 375m/s. What height does it reach? What is its horizontal range? (I pretty much know what formulas to use, but I'm not quite sure HOW to use them.. Also you should know that this ...

### Physics, still don't get it!

The "karat" is a dimensionless unit that is used to indicate the proportion of gold in a gold-containing alloy. An alloy that is one karat gold contains a weight of pure gold that is one part in twenty-four. What is the volume of gold in a 20.0 karat gold necklace whose weight...

### college physics

cost of homework help for college physics

### Thermal physics

Explain thermal physics in details

### 2nd grade

can you please help me with my project its about different types of Transportation eg water transportation, land trasportation and air transportation i found out land and water but cant fine anything about AIR can you please help me as my project is due tomorrow, thank you.

### college algebra

for the given function f&g, find the following and state the domain of each result f(x)=2x+1/9x-5; g(x)4x/9x-5 a.(f+g)(x)= what is the domain? b.(f/g)(x)= what is the domain? please show work answer the following for the given quadratic function f(x)=x^2+10x-11 a. what is the ...

### Algebra

Can you please help me with this problem: The x-intercept of a line has a value of -3/2 and a y intercept of 3. Another line has a slope that is three times the slope of the first line and has a y-intercept that is 28 more than the first line's y-intercept. What is the ...

### math

Q: Corbin is playing a board game that requires rolling two number cubes to move a game piece. He needs to roll a sum of six on his next term and then a sum of ten to land on to the next two bonus spaces. what is the probability that Corbin will roll a sum of six and then a ...

### physics

Humans can hear sounds with frequencies up to about 20.0 kHz, but dogs can hear frequencies up to about 40.0 kHz. Dog whistles are made to emit sounds that dogs can hear but humans cannot. If the part of a dog whistle that actually produces the high frequency is made of a tube...

### Spanish-Please help!!

Hi I posted early and got a response but the correction suggested can't be corret. Could someone please check these answers-I had to answer in past tense-- 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...

### physics.

Multiple-Concept Example 3 provides some pertinent background for this problem. Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed. The radius of ...

### Physics

Multiple-Concept Example 3 provides some pertinent background for this problem. Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed. The radius of ...

### physics

please help--I don't understand how to get started! A small particle of mass 2.0 x 10^-19 kg is attached to a nanofiber of relaxed length 0.50 nm (Recall that 1.0 nm = 10^-9 m) . The nanofiber is attached to a substrate (an immovable wall). The plot is a graph of the force ...

### Physics: Angular Width. Why is my answer wrong?

A beam of yellow laser light (590 nm) passes through a circular aperture of diameter 5.0 mm. What is the angular width of the central diffraction maximum formed on a screen? I can't seem to get this answer right. I don't think I am finding the first part of the problem ...

### physics

A 1200-kg car is being driven up a 5.0degrees hill. The frictional force is directed opposite to the motion of the car and has a magnitude of f=524N. A force F is applied to the car by the road and propelsthe car forward. In addition to these two forces, two other forces act ...

### Physics

Zero, a hypothetical planet, has a mass of 1.0x10^23 kg, a radius of 3.0x10^6 m, and no atmosphere. A 10 kg space probe is to be launched vertically from its surface. (a) If the probe is launched with an initial kinetic energy of 5.0x10^7 J, what will be its kinetic energy ...

### Math

Please help to convert the following(Show work please!!! 1.62500 Grams to kilograms 62500 Grams to Pounds 62500 Grams to Ounces 2.44500 Centimeters to meters 44500 Centimeters to yards 44500 Centimeters to Inches

### statistics-please please help

A) Choose one of the following distributions (positively skewed normal distribution, negatively skewed normal distribution or bimodal normal distribution) and generate a sample of 20 numbers for it. The sample you generate should have a mean of 8 and a sample standard ...

### Math - Calculus

If 75100 dollars is deposited in an account for 13 years at 5.35 percent compounded continuously , find the average value of the account during the 13 years period. The average value in the account is ? ** im alittle confused in how to find the average value please help and ...

### American History. Dealing with events of Germany!

Hi, i have no idea what to do. The teacher was very blunt. I have to devise a timeline and report of events between 1914 and 1941 that were actions of italy, germany and japen. But my other two partners have the other two countries, and i need my events for Germany. What are ...

### Chemistry

Hi Please help verify my answer to the following question: 0.500g of pure phosphorous was burned in excess pure oxygen to give a product that has a mass of 1.145 g. What is the empirical formula of the resulting compound? By the use of a mass spectrometer the molecular mass of...

### Integration of exponents with absolute values

I cannot for the life of me figure this out. Please help me. How do I integrate the function f(x) = 0.1 * e ^ (-0.2 * |x|) from neg. Infinity to pos. Infinity? I seem to only be able to get 0, but the answer is 1. I think it is the |x| that is throwing me off. Please Hlep! ...

### chemistry

Hi ! Could you please help me to see through this problem. *I know it's asking me to find the hydrogen ion concentration in a bleach sample. *If the pH meter reads 9.55..this suggest to me this is a base. Maybe,I can use the equation: pOH = -log (OH^-) = -log (9.55) = 0.980. ...

### Maths - check please

Fig.1. Shows a signwave on the its horizontal axis "Time in (ms)" means that time is measured in milliseconds. The time taken is 20 ms in total Question asks for frequency of the sinewave ? Cant really draw Fig.. here :-0( But the period is 5 milliseconds, the wave is repeated...

### Macroeconomics

Can someone please help. What components of GDP (if any) would each of the following transactions affect? Explain. a. A family buys a new refridgerator. b. Aunt Jane buys a new house. c. Ford sells a Mustang from its inventory. d. You buy a pizza. e. California repaves Highway...

### environ. need info. please

provide a brief summary differentiating conservation and preservation. Do you believe that humans can harvest forest resources in an environmentally friendly way? Or, should national forests be left in their natural state in which resources are not used to benefit humans? To ...

### geometry

In a triangle ABC, angle B is 3 times angle A and angle C is 8 degrees less than 6 times angle A. The the size of the angles. Size of angle A is = Size of angle B is = Size of angle C is = can someone please help me with this..? I am very weak at geometry...and math in general...

### Chemistry (PLEASE HELP)

Which of the following statements are true? Fusion reactions result in nuclei with higher Z. To keep a nuclear power plant going, a chain reaction must be maintained. Nuclear fusion produces no long-lived radioactive by-products. The Sun is a nuclear fusion reactor. I tried ...

### physics- help me please

Suppose you have two cubic meters of uranium, four cubic meters of lead, four cubic meters of copper. Rank them by mass, from smallest to largest. a)lead, copper, uranium b)uranium, copper, lead c)copper, uranium, lead d)uranium, lead, copper can someone help me

### AP Physics

In a period of 2s, 4.8E23 nitrogen molecules strike a wall area of 8.6 cm^2. If the molecules move at 308 m/s and strike the wall head-on in a perfectly elastic collision, find the pressure exerted on the wall. The mass of one N2 molecule is 4.68E-26kg. Answer in terms of kPa...

### math

(1)A grocer kept all the pennies he found left in his store from 1975 to 2000. There were 113,964 pennies in ... pennies he found in a day? (HINT: Don't forget leap years!) Answer: (13) Kind of confused how I got it. Will someone please explain I know that there are six leap ...

### english

Please do know how to rewrite this sentence It is not reasonable and it is not all right that gay individuals need to live in panic Also my introduction needs to be more argumentative How many people would be affected if gay marriage was legalized? Yes! Of course, obsoletely ...