# The ages in years of the houses on Kelly’s block are 20, 26, 11, 2, 28, 18, 2, and 27. Find the mean age of the houses. Find the median age. Find the mode. Which measure(s) would you use to

20,899 results, page 38-
## Physics

A bullet of mass 10.6 grams is fired with a speed of 125 meters per second toward a wood block of mass 187 grams initially at rest on a very smooth (assume frictionless) surface. What is the change in momentum of the bullet if it becomes embedded in the -
## Physics-Atwood's Machine

A 5 kg block rests on a horizontal surface. Determine the horizontal force required to accelerate the block at 3 m/s^2. The frictional coefficient is 0.5. Fnet=mass(accer.) FH=5kg (3m/s^2)= 15N I don't know what to make of the frictional coefficient -
## Physics :)

A block of iron at 39.0°C has mass 2.30 kg. If 3.50×104 J of heat are transferred to the block, what is its resulting temperature? The specific heat of iron is 449 (J/kg*K) Someone else had this question on here but I cannot get the right answer from the -
## physics

a 100-g bullet is fired horizontally into a 14.9kg block of wood resting on a horizontal surface and the bullet becomes embedded in the block. if the muzzle velocity of the bullet is 250 m/s , what is the speed of the bullet immedatly after the impact -
## Physics

Three blocks are in contact with each other on a frictionless horizontal surface. A 417 N horizontal force is applied to the block with mass of 3.7 kg as shown in the ﬁgure below. The acceleration of gravity is 9.8 m/s^2. (the picture looks like -
## Physics

A horizontal spring with K = 110 N/m has one end attached to the wall. A 250g block is pushed onto the free end, compressing the spring by 0.190 . The block is then released, and the spring launches it outward. Neglecting friction, what's its speed when it -
## physics

Unless otherwise stated, all objects are located near the Earth's surface, where = 9.80 . A block of mass 23.0 slides down a frictionless surface inclined at 35. Part A To ensure that the block does not accelerate, what is the magnitude of the smallest -
## Physics

The figure below shows an initially stationary block of mass m on a floor. A force of magnitude F = 0.550mg is then applied at upward angle = 19°. (a) What is the magnitude of the acceleration of the block across the floor if the friction coefficients are -
## math

A bag contains five purple ("P") blocks and one yellow ("Y") blocks. Without looking into the bag you reach in, take out a block, return the block to the bag, and then repeat the same process a number of times. Which of the following sequences of selected -
## physics

A block of mass m slides down an incline of mass M. As shown, th acceleration of the block is a. The coefficient of kinetic friction between the block and the incline is ì1, while the coefficient of kinetic friction between the incline and ground is ì2. -
## physics

a person lifts a 4.3 kg centimeter block a vertical distance of 1.10m. and then carries the block horizontally a distance of 10.0m. How much work is done by the person? How much work is done by gravity? -
## Math

Allison has a set of letter block each block is a unit cube. What is the volume of the figure she can build out of only vowels?what is the volume of the figure she can build out of all the letters? -
## physics

a person lifts a 4.3 kg centimeter block a vertical distance of 1.10m. and then carries the block horizontally a distance of 10.0m. How much work is done by the person? How much work is done by gravity? -
## physics

A 280-g wood block is firmly attached to a very light horizontal spring, as shown in the figure. The block can slide along a table where the coefficient of friction is 0.30. A force of 22 N compresses the spring 18 cm. If the spring is released from this -
## physics

A 280-g wood block is firmly attached to a very light horizontal spring, as shown in the figure. The block can slide along a table where the coefficient of friction is 0.30. A force of 22 N compresses the spring 18 cm. If the spring is released from this -
## science

You measure the dimensions of a rectangular block of aluminum to determine its volume. It has the following dimensions. length = 10.27 cm; width = 4.92 cm; height = 1.53 cm Assuming that each of these measurements is accurate to the nearest 0.01 cm, find -
## physics

A 2.00 kg block, on a horizontal surface with coefficient of static friction 0.900, is pushed by a force that is directed down at an angle of 30.0 degrees to the horizontal. Find the minimum magnitude of the force needed to get the block to start moving. -
## physics

A 5-kg block lies on a smooth table top. A horizontal string connected to the block is passed over a small pulley at the edge of the table, and a body of mass 8 kg is hung from the other end of the string. Find the tension in the string and the -
## Keyboarding

What is the main difference between block letter style and modified block letter style? -
## P

A 48-kg block is pushed across a horizontal surface with a horizontal force of 98 N against a friction force of 12 N. The acceleration of the block is -
## physics

doing webwork when i came across this question. sure i had it right but apparently im not. The weightless horizontal bar in the figure below is in equilibrium. Scale B reads 4.20 kg (N.B. as you know, the scale should read N, but no one told the -
## AP Physics B

A track consists of a frictionless incline plane, which is a height of 0.5m, and a rough horizontal section with a coefficient of kinetic friction 0.02. Block A, whose mass is 1.5kg, is released from the top of the incline plane, slides down and collides -
## Physics

A track consists of a frictionless incline plane, which is a height of 0.5m, and a rough horizontal section with a coefficient of kinetic friction 0.02. Block A, whose mass is 1.5kg, is released from the top of the incline plane, slides down and collides -
## Physics

19. A track consists of a frictionless incline plane, which is a height of 0.5 m, and a rough horizontal section with a coefficient of kinetic friction 0.02. Block A, whose mass is1.5 kg, is released from the top of the incline plane, slides down and -
## math

Consider that the age, x, of a unicorn in human equivalent years can be given by the formula f(x) = - 0.001618x4 + 0.057326x3 – 1.1367x2 + 11.46x + 2.914. When a unicorn is 2.5 years old, what is its age in human equivalent years? What about when it is -
## Maths

Peter invests $12500 for 5 years at 12 percent per annum,compounded monthly foe the first two years, and 14 percent per annum compounded simiannually for the next three years. How much will Peter receive after five years? -
## algebra

Consider that the age, x, of a unicorn in human equivalent years can be given by the formula f(x) = - 0.001518x4 + 0.067326x3 – 1.4367x2 + 12.46x + 2.914. When a unicorn is 2.5 years old, what is its age in human equivalent years? What about when it is -
## science

suppose you have 100grams of radioactive plutonium-239 with a half-life of 24,000 years. how many grams of plutonium-239 will remain after: A)12,000 years B)24,000 years C)96,000 years how do i do this?????? -
## English

1. You can't buy alcohol until you are twenty years old. 2. You can't buy drinks until you are twenty years old. 3. You can't buy wine until you are twenty years old. 4. You can't buy beeer until you are twenty years old. --------------------------- Are -
## physics

i have noo idea how to do this, please hellppppp A 15.6 kg block is dragged over a rough, hor- izontal surface by a constant force of 72.2 N acting at an angle of angle 34.8 above the horizontal. The block is displaced 24.6 m and the coefficient of -
## science

on a large-scale topographic map, how are airports and major highways treated differently than houses and small features? someone help me with this question? -
## Hopkins middle

social studies where can i find info on the stone age for pictures of tools huntergathers and houses from that time period. -
## English

Should students be allowed to invade established neighborhoods and live in unlicensed and unsafe rooming houses? How can I re-write the above question so it is not biased? -
## Physics

A solid cylinder is mounted above the ground with its axis of rotation oriented horizontally. A rope is wound around the cylinder and its free end is attached to a block of mass 54.0 kg that rests on a platform. The cylinder has a mass of 265 kg and a -
## Statistics

A sample of 53 night-school students' ages is obtained in order to estimate the mean age of night-school students. = 25.7 years. The population variance is 12. (a) Give a point estimate for mu. (b) Find the 95% confidence interval for mu (lower and upper -
## statistics

Sweden is reported to have among the highest percentage of citizens aged 80 years and over, at approximately 5.5 % (i.e. 5.5 % of it's population falls within this age category). Suppose 20 individuals are randomly selected from the population, and X is -
## Math

Stacy requires $3,000 in three years to make a down payment on a new car. She will receive 8% compounded annually for the three years. How much must she invest today to have the $3,000 in three years? (a) $ 2,381.49 (b) $ 2,419.35 (c) $ 2,000.00 (d) $ -
## Physics

A 4.40kg block hangs from a spring with spring constant 2160N/m . The block is pulled down 4.60cm from the equilibrium position and given an initial velocity of 1.40m/s back toward equilibrium. What is the frequency of motion? What is the amplitude? What -
## physics

A 1.67-kg block of aluminum at 21.7°C is to be melted and reshaped. How much heat must flow into the block in order to melt it? use the following values: For copper: c_copper=0.386 kJ/kg.K T_fusion=1359 K L_fusion=205 kg/K For aluminum: c_aluminum=0.900 -
## Physics

A 4.40kg block hangs from a spring with spring constant 2160N/m . The block is pulled down 4.60cm from the equilibrium position and given an initial velocity of 1.40m/s back toward equilibrium. A) What is the frequency of the motion? B) What is the -
## Physics

A m1 = 4.20-kg block on a smooth tabletop is attached by a string to a hanging block of mass m2 = 2.70 kg, as shown in the figure. The blocks are released from rest and allowed to move freely. a) Find the acceleration of the blocks. ___m/s^2 b) Find the -
## physics

A 23.1 kg block is dragged over a rough, horizontal surface by a constant force of 95.0 N acting at an angle of angle 29.3 ° above the horizontal. The block is displaced 5.50 m, and the coefficient of kinetic friction is 0.341. Find the magnitude of the -
## physics

A 4.40kg block hangs from a spring with spring constant 2160N/m . The block is pulled down 4.60cm from the equilibrium position and given an initial velocity of 1.40m/s back toward equilibrium. What is the frequency of motion? What is the amplitude? What -
## History

How did the Dark Ages end? -
## Math

2(x-y)-(x+y) I have been stuck on this problem for ages.. Please help!! -
## Humanities

Where there toilets in the middle ages? -
## mat

I was 35 when my niece was born and she is 12. 47-12=35. What would be our ages x's 3 -
## physics

Two blocks are connected by a string over a frictionless, massless pulley such that one is resting on an inclined plane and the other is hanging over the top edge of the plane. the hanging block has a mass of 16 kg and the one on the plane has a mass of 8 -
## Physics

A 15 g lead bullet is tested by firing it into a fixed block of wood with a mass of 1.05 kg. The block and the embedded bullet together absorb all the heat generated. After thermal equilibrium has been reached, the system has a change in temperature -
## algebra

Cat Years 1 3 4 6 7 Human Years 13 33 43 63 73 What is the meaning of the slope? Write the slope-intercept form of the equation for the line of fit. Use linear interpolation and your line of fit to estimate the number of human years which will correspond -
## Math

a probability that new years is on a Saturday in a randomly chosen year is 1/7. 15 years are chosen randomly.find the probability that 1. exactly four of these years have new years day on a Saturday 2. at least 2 of these years have new years day on a -
## Child Care

1.At what age does exercise begin to result in strength in boys and girls? a)between ages 1 and 2 b)between ages 3 and 4 c)between ages 5 and 6 d)between ages 6 and 7 2.Temperatures in child care education setting should be set at __ in the summer and __ -
## Physics

You have been asked to design a "ballistic spring system" to measure the speed of bullets. A bullet of mass m is fired into a block of mass M. The block, with the embedded bullet, then slides across a frictionless table and collides with a horizontal -
## accounting

Tyler Constructions constructed a new campus block to house Business School. The building cost a tool of $180,000,000 to construct and was completed 30 March 2011, with an expected useful life of 60 years and residual value of $10,000,000. The building is -
## algebra

At a pet store, Rhonda paid $11.50 for 3 dog bowls and 4 bones. Kelly $13 for 2 dog blows and 8 bones. How much will Andrew pay for 4 dog bowls and 2 bones? -
## college physics

A 280 g wood block is firmly attached to a very light horizontal spring, as shown in the figure . The block can slide along a table where the coefficient of friction is 0.30. A force of 22 N compresses the spring 18 cm. If the spring is released from this -
## algebra

2. As you are leaving the community, you notice another new community just down the street. Because you are in the area, you decide to inquire about it. a. The sales representative here tells you they also have two floor plans available, but they only have -
## physics

A block of mass M slides along the smooth wedge mass M.what will be the acceleration of centre of mass of block and wedge system? -
## math

The Taylors have purchased a $290,000 house. They made an initial down payment of $10,000 and secured a mortgage with interest charged at the rate of 10%/year on the unpaid balance. Interest computations are made at the end of each month. If the loan is to -
## Physics

A wooden block floating in seawater has two thirds of its volume submerged. When the block is placed in mineral oil, 10% of its volume is submerged. ( a) Find the density of the wooden block. (The density of seawater is 1.024 g/cm3.) (b) Find the density -
## Alegebra, math 116

1. Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a) The sales representative informs you that there are two floor plans still available, and that there are a total of 56 -
## Physics/Math

A 3.0 kg block, initially in motion, is pushed along a horizontal floor by a force F of magnitude 18 N at an angle = 45° with the horizontal. The coefficient of kinetic friction between the block and floor is 0.25. (Assume the positive direction is to the -
## Math

Stacy requires $3,000 in three years to make a down payment on a new car. She will receive 8% compounded annually for the three years. How much must she invest today to have the $ 3,000 in three years? (a) $ 2,381.49 (b) $ 2,419.35 (c) $ 2,000.00 (d) $ -
## Physics

A bullet of mass 10g travelling horizontally at a speed of 100m/s embeds itself in a block of wood of mass 990g suspended by strings so that it can swing freely find: a.the vertical height through which the block rises. B.how much of the bullet energy -
## Physics

A bullet with mass (m) is fired vertically into a block of wood with mass (M) that is hanging from a rope at rest. If the billet has an initial speed Vi (initial velocity) find the height (h) that the block will swing into the air after the bullet becomes -
## Physics

A small block of mass m1 = 0.500 kg is released from rest at the top of acurved-shaped frictionless wedge of mass m2 =3.00 kg, which sits on a frictionless horizontal surface as inFigure P9.60a. When the block leaves the wedge, its velocity ismeasured to -
## Physics

A 4.07 x 10-2-kg block is resting on a horizontal frictionless surface and is attached to a horizontal spring whose spring constant is 144 N/m. The block is shoved parallel to the spring axis and is given an initial speed of 10.5 m/s, while the spring is -
## physics

You do a physics lab experiment on another planet. A small block is released from rest at the top of a long frictionless ramp that is inclined at an angle of 36.9° above the horizontal. You measure that a small block travels a distance 17.0 m down the -
## Physics

A 4.07 x 10-2-kg block is resting on a horizontal frictionless surface and is attached to a horizontal spring whose spring constant is 144 N/m. The block is shoved parallel to the spring axis and is given an initial speed of 10.5 m/s, while the spring is -
## Physics

A 4.05 x 10-2-kg block is resting on a horizontal frictionless surface and is attached to a horizontal spring whose spring constant is 121 N/m. The block is shoved parallel to the spring axis and is given an initial speed of 8.65 m/s, while the spring is -
## physics

A wood block, after being given a starting push, slides down a wood ramp at a constant speed. What is the angle of the ramp above horizontal? The fact that there aren't any numbers involved here and a certain angle is required confuses me. I know it -
## physics

Starting from rest, a 5.0 kg block slides 2.5 m down a rough 30.0 degrees incline in 2.0s. Determine (a) the work done by the force of gravity. (b) the mechanical energy lost due to friction, and (c) the work done by the normal force between block and -
## Physics

Two blocks of masses 40.0kg and 20.0kg are stacked on a table with the heavier block on top. The coefficient of static friction is 0.600 between the top and bottom blocks and 0.300 between the bottom block and the table. What is the required magnitude of a -
## Mayflower

People began to feel safer in the Middle Ages because___________ and _______________ had stabalized Europe. Since this is not my area of expertise, I searched Google under the key words "Middle Ages stabilized Europe" to get these possible sources: -
## Physics

A block oscillates on a spring and passes its equilibrium position with a speed of .157m/s. It's kinetic energy is zero when the block is at the distance of .1m from equilibrium. Assume no friction between the block and the table. Force is 8.67N. Also mass -
## physics

In an experiment to find the speed of 2.4g bullet, it was fired into a 650g block of wood at rest on a friction free surface. If the block(and bullet) moved off with an initial speed of 96cm s-1, what was the speed of the bullet? plz help the teacher gave -
## math

one half of jeans age two years from now plus one third of her age three years ago is twenty years. how old is she now? -
## Math

A woman is 45 years old. Her daughter is 12 years old.How many years it takes until the daughter is half as old as her mother? -
## Algebra

6 YEARS AGO, JOE WAS 2 YEARS MORE THAN 5 TIMES AS OLD AS HIS DAUGHTER. SIX YEAS FROM NOW, HE WILL BE 11 YEARS MORE THAN TWICE AS OLD AS SHE WILL BE. HOW OLD IS JOE? -
## Introductory Physics

I am really nervous about mathematics, so I just want to make sure I am doing these problems correctly. I figure if I am getting the incorrect answer, I must be doing them incorrectly and need to work on them some more. I THINK I have them correct, but I -
## Physics. Urgent

A vertical spring with a spring constant of 450 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 3.0 cm in bringing the -
## Art

Thank you very much, Writeacher. I'm posting the first part of my paraprase again because I failed to include the reference to the stanzas. 1) Dickinson’s poetic universe is characterized by personal deprivation. In particular, in poem 579, “I had been -
## math

A. John is now 10 years older than Marcus. Three times John's age 5 years from now will be the same as five times Marcus's age 5 years ago. How old is John now? B. In 1 year Kristen will be four times as old as Danielle. Ten years from then Kristen will -
## Physics

A block of mass 0.229 kg is placed on top of a light, vertical spring of force constant 4665 N/m and pushed downward so that the spring is compressed by 0.093 m. After the block is released from rest, it travels upward and then leaves the spring. To what -
## physics

A block of mass 3 kg initially at rest is pulled along a friction less horizontal surface with a force of 4N. The speed of the block at t=2s is a)4/3 m/s b)8/3m/s c)4 m/s d)8m/s e)24m/s For this problem this is a graph. Some of the points on the graph are -
## Physics

The two blocks in the figure, of mass m and M respectively, are not attached, but there is a coefficient of static friction u between them. The surface below the heavier block M is frictionless. What is the minimum force magnitude F required to keep the -
## College Physic

A 1.54 x 10-2-kg block is resting on a horizontal friction-less surface and is attached to a horizontal spring whose spring constant is 129 N/m. The block is shoved parallel to the spring axis and is given an initial speed of 8.84 m/s, while the spring is -
## physics

A 18.4 kg block is dragged over a rough, horizontal surface by a constant force of 126 N acting at an angle of 34.1 ◦ above the horizontal. The block is displaced 20 m, and the coefficient of kinetic friction is 0.123. The acceleration of gravity is -
## Physics

A block with a mass of m = 21 kg rests on a frictionless surface and is subject to two forces acting on it. The first force is directed in the negative x-direction with a magnitude of F1 = 9.5 N. The second has a magnitude of F2 = 19.5 N and acts on the -
## PHYSICS

A block of mass m lies on a horizontal frictionless surface and is attached to one end of a horizontal spring (spring constant k) whose other end is fixed. The block is initially at rest at the position where the spring is unstretched (x = 0) when a -
## government

if no candidat receives a majority of the electoral votes, the president is chosen by a. both houses of congress b. the house of representatives c. the senate d. a new popular vote a. -
## Social Studies

Which of the following is a positive event of the trustee period? A. defense against Spain B. profitable trade with the Indians C. building houses and public buildings D. All of the Above I think D? -
## Math

In Kelly's career on the basketball team, she made 7 out of every 10 free throws. Last season, she made 168 free throws. How many free throws did she attempt? -
## Math

Average height of a species of tree (in feet) after a certain number of years Years----------Height 1 ------------- 2.1 2 ------------- 3.2 3 ------------- 6.8 4 ------------- 7.3 5 ------------- 11.2 6 ------------- 12.6 7 ------------- 13.4 8 -
## Math

Average height of a species of tree (in feet) after a certain number of years Years----------Height 1 ------------- 2.1 2 ------------- 3.2 3 ------------- 6.8 4 ------------- 7.3 5 ------------- 11.2 6 ------------- 12.6 7 ------------- 13.4 8 -
## Algebra I

Average height of a species of tree (in feet) after a certain number of years Years----------Height 1 ------------- 2.1 2 ------------- 3.2 3 ------------- 6.8 4 ------------- 7.3 5 ------------- 11.2 6 ------------- 12.6 7 ------------- 13.4 8 -
## Math

Average height of a species of tree (in feet) after a certain number of years Years----------Height 1 ------------- 2.1 2 ------------- 3.2 3 ------------- 6.8 4 ------------- 7.3 5 ------------- 11.2 6 ------------- 12.6 7 ------------- 13.4 8 -
## Physics

There is a block resting on a table attached to a hanging mass around a pulley. Assume a value of g = 10 m/s2. If there is no friction, and the mass on the table has a value of 5.0 kg and the hanging mass has a value of 1.0 kg, what is the value of the -
## Physics

A 67.5 kg sprinter exerts a force of 775 N on the starting block which makes a 20 degree angle to the ground. a) What was the horizontal acceleration of the sprinter? b) If the force was exerted for 0.340s, with what speed did the sprinter leave the -
## physics

A block slides a distance d down a frictionless plane and then comes to a stop after sliding a distance s across a rough horizontal plane. What fraction of the distance s does the block slide before its speed is reduced to one-third of the maximum speed it