# A rectangle park measures 300 ft by 400 ft. A sidewalk runs diagonally from one corner to the opposite corner. Find the length of the sidewalk

20,942 questions
1. ## Math

A rectangle park measures 300 ft by 400 ft. A sidewalk runs diagonally from one corner to the opposite corner. Find the length of the sidewalk.

asked by Steph on May 1, 2011
2. ## math

A park needs to make a cement walkway that cuts through the park diagonally. If the length of the park is 300 meters and the width is 400 meters, how long will the walkway be?

asked by Can someone help me quickly on April 29, 2016
3. ## Math

a circular track runs around a park. there is a sidewalk that connects two points on the track that runs through the center of the park. the sidewalk is 100 ft. long. How long is the track to the nearest half foot?

asked by Chris on March 8, 2010
4. ## Physics

Two children who are bored while waiting for their flight at the airport decide to race from one end of the 20 -long moving sidewalk to the other and back. Phillippe runs on the sidewalk at 2.0 (relative to the sidewalk). Renee runs on the floor at 2.0 .

asked by anonymous on October 14, 2012
5. ## Algebra

A gardener is mowing a 20 by 40 yard rectangular pasture using a diagonal pattern. He mows from one corner of the pasture to the corner diagonally opposite. What is the length of this pass with the mower? Give your answer in simplified form. A.10 sq rt 20

asked by Cassie on March 13, 2013
6. ## Math

The concrete for a sidewalk is being poured outside the perimeter of a new subdivision, which is a 280 ft. by 720 ft. rectangle. The building code requires that the sidewalk be 5 feet wide and 8 inches deep. How many cubic yards of concrete will need to be

asked by Maria on August 29, 2015
7. ## Geometry

A rectangular grass area ub a park measures 50 yards by 100 yards. The city wishes to put a uniform sidewalk around the grass area which would increase the area by 459 yd ^2. What is the width of sidewalk Is it 9.18 feet

asked by Anonymous on April 6, 2016
8. ## Math

A rectangular grassy area in a park measures 50 yards by 100 yards. The city wishes to put a uniform sidewalk around the grassy area which would increase the area by 459 yd^2. What is the width of the sidewalk?

asked by Anonymous on April 9, 2017
9. ## Geometry

A rectangular grass area ub a park measures 50 yards by 100 yards. The city wishes to put a uniform sidewalk around the grass area which would increase the area by 459 yd ^2. What is the width of sidewalk

asked by Anonymous on April 5, 2016
10. ## Geometry

A rectangular grass area ub a park measures 50 yards by 100 yards. The city wishes to put a uniform sidewalk around the grass area which would increase the area by 459 yd ^2. What is the width of sidewalk

asked by Anonymous on April 6, 2016
11. ## math hw (algebra)

On the sidewalk the distance from the dormitory to the cafeteria is 400 meters. By cutting across the lawn, the walking distance is shortened to 300 meters. how long is each part of the L shaped sidewalk?

asked by danielle on April 25, 2013
12. ## Physics

In the rectangle in the drawing, a charge is to be placed at the empty corner to make the net force on the charge at corner A point along the vertical direction. What charge (magnitude and algebraic sign) must be placed at the empty corner? (the rectangle

asked by Sarah on September 8, 2013
13. ## Math

A gardener is mowing a 20 by 40 yard rectangular pasture using a rectangular pattern. He mows from one corner of the pasture to the corner diagonally opposite. What is the length of this pass with the mower? Give your answer in simplified ,form. a- 10 sq

asked by Steve on March 28, 2015
14. ## Physics

A rectangle has a length of 2d and a height of d. Each of the following three charges is located at a corner of the rectangle: +q1 (upper left corner), +q2 (lower right corner), and -q (lower left corner). The net electric field at the (empty) upper right

asked by Jerry on October 17, 2010
15. ## math

A rectangular field measures 350 feet by 400 feet. If you wish to go from one corner to the opposite corner, how much shorter is the trip if you walk along the diagonal rather than the edges?

asked by neka on June 3, 2014
16. ## Calculus max/min

d=0.767. There are two parallel sidewalks that are separated by the park that is 600 feet wide. You are standing on the south sidewalk facing east. On the north sidewalk, 2000 feet ahead of you, is a bus stop. You can walk on the sidewalk at 5.5+d feet per

asked by John on May 3, 2015
17. ## maths

A dog is standing at the bottom left corner of a grid of 46×46 streets. The dog is trying to get to the top right corner of the grid, where it knows there is some food. As the dog runs, between the corners, it will only ever run up and to the right. Any

asked by anonymous on June 12, 2013
18. ## math

A dog is standing at the bottom left corner of a grid of 46×46 streets. The dog is trying to get to the top right corner of the grid, where it knows there is some food. As the dog runs, between the corners, it will only ever run up and to the right. Any

asked by urgent answer needed on June 15, 2013
19. ## area

the length and breadth of rectangle is 3:1.A 1m wide path runs through the inside of the park has an area of 39 sq.m. Find length and breadth of the park

asked by kuku on February 11, 2017
20. ## Algebra

The Roice family have a rectangular swimming pool. It measures 16' x 32'. This summer they are installing a sidewalk around the pool. The width of the sidewalk is yet to be determined, 1) Using the x as the width of the sidewalk, write a Polynomial to

asked by Nicole on February 10, 2015
21. ## physics

A rectangle has a length of 2d and a height of d. Each of the following three charges is located at a corner of the rectangle: +q1 (upper left corner), +q2 (lower right corner), and -q (lower left corner). The net electric field at the (empty) upper right

asked by Daniel on February 22, 2012
22. ## physics

In the rectangle in the drawing, a charge is to be placed at the empty corner to make the net force on the charge at corner A point along the vertical direction. What charge (magnitude and algebraic sign) must be placed at the empty corner? (the rectangle

asked by Sarah on September 6, 2013
23. ## Physics

A sidewalk is to be constructed around a swimming pool that measures (11.00+/-0.12) m by (17.40+/-0.12) m. If the sidewalk is to measure (1.22+/-0.02) m wide by (9.60+/-0.15) cm thick, what volume of concrete is needed?

asked by Brenda on January 18, 2011
24. ## Math

Darla is building a desk. To make sure she had made a square corner, she measures 7ft from the corner along one edge, and 8ft from the corner of the other edge. How long should the diagonal be between those two points if the corner is a right angle?

asked by Pam on April 1, 2014
25. ## algebra 2

Darla is building a new desk. To make sure she had made a square corner, she measures 10ft from the corner along one edge and 7ft from the corner along the other edge. How long should the diagonal be betwee those two points if the corner is a right angle?

asked by Esther on March 29, 2011
26. ## algebra 2

Darla is building a new desk. To make sure she had made a square corner, she measures 4ft. from the corner along one edge and 6ft. from the corner along the other edge. How long (in feet) should the diagonal be between those two points if the corner is a

asked by Esther on March 28, 2011
27. ## Calculus

You are given a 60 inch by 30 inch piece of cardboad and asked to make a six-sided box. If the cardboard is cut along the lines shown, what will the dimensions of the box with maximum volume? The diagram looks as follows: it is a rectangle with a shaded

asked by Alex on January 3, 2011
28. ## Physics

A +1.3-nC point charge is placed at one corner of a square (1.1 m on a side), and a -3.1-nC charge is placed on the corner diagonally opposite. What is the magnitude of the electric field at either of the other two corners?

asked by Anonymous on January 27, 2015
29. ## physics

A +1.4-nC point charge is placed at one corner of a square (1.8 m on a side), and a -2.5-nC charge is placed on the corner diagonally opposite. What is the magnitude of the electric field at either of the other two corners?

asked by Matt on January 29, 2015
30. ## maths algebra

Suppose that there is a cube with edges 12 centimeters in length.Find the length of a diagonal from a lower corner to the diagonally opposite upper corner .

asked by Firdous on April 2, 2013
31. ## algesebra

Darla is buildig a new desk. To make sure she made a square corner, she measures 3ft. from the corner along one edge and 4ft. from the corner along the other edge. How long should the diagonal be between those two points if the corner is a right angle?

asked by Randy on June 18, 2012
32. ## Physics

A room has dimensions 3m(height) X 3.7m X 4.3m. A fly starting at one corner flies arougn, ending up at the diagonally opposite corner. If the fly walks rather than flies what is the lenght of the shortest path it can take? the book says that the answer is

asked by Anna on September 30, 2006
33. ## math

How many ways are there to move from one corner of a cube to the diagonally opposite corner, in three moves, each of which travels along one edge of the cube?

asked by amanda on May 20, 2015
34. ## math

Three streets intersect with one another East Street runs horizontally North Street runs vertical and Fourth Street runs diagonally and intersects both what geometric figure did the three streets form

asked by bryce on March 10, 2016
35. ## Math

A sidewalk borders a rectangular play area.the play area measures 20ft by14ft.the width of the sidewalk is 2 ft.what is the perimeter of the outside borders of the sidewalk?

asked by Anonymous on April 23, 2014
36. ## Algebra

1. How far is the Willis Tower from Navy Pier, given that each unit is approximately 1/8 mile? Round your answer to the nearest tenth of a mile. The Willis Tower is at the point (-6,-3) and NP is at the point (10,9). I did this calculation: d^2 = (10 -

asked by Student on March 13, 2014
37. ## math

A gardener is mowing a 20 yard-by-40 yd rectangular pasture using a diagonal pattern. He mows from one corner of the pasture to the corner diagonally opposite. What is the length of this pass with the mower? Give your answer in simplified form. Please

asked by Jane on April 2, 2013
38. ## algebra

Darla is building a new deask. to make sure she had made a square corner, she measures 4ft. from the corner along one edge and 6ft from the corner long the othe edge . how long should the diaonal be between those two points if the corner is a right angle?

asked by lisa on December 1, 2011
39. ## word problem

A disoriented driver crosses diagonally from one corner of a 150 m by 275 m lawn to the far corner. How far does the wayward driver drive across the lawn? Give an approximate answer to three decimal places. What formula would I apply to solve this?

asked by Shawn on October 27, 2008
40. ## Math problem

A disoriented driver crosses diagonally from one corner of a 150 m by 275 m lawn to the far corner. How far does the wayward driver drive across the lawn? Give an approximate answer to three decimal places.

asked by Shawn on October 27, 2008
41. ## ALGEBRA

A gardener is mowing a 20 by 40 yard rectangular pasture using a diagonal pattern. He mows from one corner of the pasture to the corner diagonally opposite. What is the length of this pass with the mower? Give your answer in simplified form. The multiple

asked by Anonymous on May 8, 2014
42. ## algebra

a farmer wishes to enclose a recectangular garden with 300 yard fencing, river runs along one side of the garden no fencing is need there, what are the dimensins of th rectangle if the area is 10450 square yards a=l*w 10,450=300*W

asked by Tonya on October 26, 2015
43. ## Math word problem

A disoriented driver crosses diagonally from one corner of a 150 m by 275 m lawn to the far corner. How far does the wayward driver drive across the lawn? Give an approximate answer to three decimal places. What formula would I apply to solve this?

asked by Shawn on October 27, 2008
44. ## MATH

1. Terre Haute to Indianapolis to Bloomington measures 3 cm on the map. What is the actual distance? 100 km 150 km 200 km 250 km 2. Fort Wayne to Richmond to New Albany measures 6 cm on the map. What is the actual distance? (1 point) 300 km 250 km 350 km

asked by Help!!!!!!!!!!!!!! Fast its urgent Please!!!!!!!!! on December 7, 2012
45. ## math

The top horizontal edge of the rectangle measures 17 centimeters, the left vertical edge of the rectangle measures 22 centimeters, and the bottom horizontal edge measures 17 centimeters. The left vertical leg is on the right edge of the rectangle, with v

asked by chloe on May 9, 2019
46. ## Physics

Two point charges, one of +3.00 10-5 C and the other -5.00 10-5 C are placed at adjacent corners of a square 1.400 m on a side. A third charge of +5.70 10-5 C is placed at the corner diagonally opposite to the negative charge. Calculate the magnitude and

asked by Terri on April 3, 2011
47. ## AP Physics 2

Identical point charges of +3.3 µC are fixed to three of the four corners of a square. What is the magnitude |q| of the negative point charge that must be fixed to the fourth corner, so that the charge at the diagonally opposite corner experiences a net

asked by Brandon on October 25, 2016
48. ## Physics

Identical point charges of +2.9 µC are fixed to three of the four corners of a square. What is the magnitude of the negative point charge that must be fixed to the fourth corner, so that the charge at the diagonally opposite corner experiences a net force

asked by Amanda on September 4, 2013
49. ## Physics

Identical point charges of +1.1 ¦ÌC are fixed to three of the four corners of a square. What is the magnitude q of the negative point charge that must be fixed to the fourth corner, so that the charge at the diagonally opposite corner experiences a net

asked by Bin on June 13, 2014
50. ## MAths algebra

Suppose that there is a rectengular box with a length of 8 centimeters a width of 6 centimeters and a height of 4 centimeters.Find the length of a diagonal from a lower corner to the upper corner diagonally opposite. Answer is 10.8 centimeters

asked by Firdous on April 2, 2013
51. ## Algebra

As part of their half time show, the members of the band must walk diagonally from one corner of the football field to opposite corner. If the field is 100 yards long and 35 yards wide, how far must the band member's march?

asked by Tom on May 31, 2018
52. ## Physics

A 45 kg student runs down the sidewalk at a speed of 4.20m/s and jumps onto the stationary skateboard. The student and skateboard then move down the sidewalk at 3.95 m/s. What type of collision is this? What is the mass of the skateboard?

asked by Victor Olidipo on January 7, 2016
53. ## physics

the sidewalk moves left at 0.5 m/s. it is 2m long. a cat runs a 1m/s and it wants to run straight across to get to its food. at what angle should the cat direct itself? and how long would the cat take to cross the sidewalk

asked by dude please on January 14, 2016
54. ## Physics

1) Charges of +4uC and -6uC are placed at two corners of an equilateral triangle with sides of 0.10m. At the third corner, what is the electric field magnitude created by these two charges? A]4.5 x 10e6 N/C B]3.1 x 10e6 N/C C]1.6 x 10e6 D]4.8 x 10e6 2)A

asked by Andrew on February 3, 2011
55. ## Intro to Comp.

How would you measure your computer monitor? Would you measure the monitors width,length,circumference of the viewing area, or measure from the left hand corner to the upper right hand corner? My roommate says you measure the monitors circumference of the

asked by Shannon on June 14, 2007
56. ## geometry

A piece of straight thin wire fits diagonally across a rectangle of length 7cm. If the wire is 10cm long, what would be the width of the rectangle.

asked by Vidal on October 13, 2010
57. ## Math

Patricia's teacher asked her to find the perimeter of the school's rectangular parking lot. After school, patricia walks along the short side of the lot and finds it is 50 yards long. She then walks diagonally from one corner of the rectangle to the other

asked by joe on February 7, 2010
58. ## Math

A room has dimensions 2.24 m (height) × 5.30 m × 6.55 m. A fly starting at one corner flies around, ending up at the diagonally opposite corner. (a) What is the magnitude of its displacement? (b) If the fly walks rather than flies, what is the length of

asked by D on October 9, 2012
59. ## math (calculus)

A room has dimensions 2.24 m (height) × 5.30 m × 6.55 m. A fly starting at one corner flies around, ending up at the diagonally opposite corner. (a) What is the magnitude of its displacement? (b) If the fly walks rather than flies, what is the length of

asked by D on October 9, 2012
60. ## English

1. I happened to meet he on the sidewalk. 2. I chanced to meet her on the sidewalk. 3. I met her on the sidewalk by chance. 4. I met her on the sidewalk by accident. 5. I met her on the sidewalk by happen. ------------------- Are they all the same in

asked by rfvv on November 23, 2016
61. ## Physics(Please check)

A rectangular plate is rotating with a constant angular speed about an axis that passes perpendicularly through one corner, as the drawing shows. The centripetal acceleration measured at corner A is n times as great as that measured at corner B. What is

asked by Hannah on June 5, 2012
62. ## Math

Geometry- Three streets intersect with one another. East Street runs horizontally,North Street runs vertically and Fourth Street runs diagonally and intersects both East Street and North Street. What geometric figure do the three streets form?

asked by Bryce on January 30, 2012
63. ## Physics please clarify

A charge of +1q is fixed to one corner of a square, while a charge of -3q is fixed to the diagonally opposite corner. Expressed in terms of q, what charge should be fixed to the center of the square, so the potential is zero at each of the two empty

asked by Mary on September 4, 2007
64. ## math 2

Every day Drake runs two laps at a park in his neighborhood. His speed, s, is inversely proportional to time, t, over the same distance. If Drake runs at a speed of 6 miles/hour, it takes him half an hour to complete two laps of the park. Which statement

asked by Bre on March 23, 2018
65. ## Math

A park is 300 yds by 500 yds. There is a 4 wide foot walking path going around the entire perimeter of the park. The rest of the park is green space. How much green space is there in the park?

asked by Math on March 27, 2019
66. ## geometry

a rectangular patio is 13 feet by 84 feet. In walking from one corner of the patio to the opposite corner, how much distance is saved by cutting diagonally across the patio rather than walking around the outer edge?

asked by Neima on April 11, 2013
67. ## Math~repost

The top horizontal edge of the rectangle measures 17 centimeters, the left vertical edge of the rectangle measures 22 centimeters, and the bottom horizontal edge measures 17 centimeters. The left vertical leg is on the right edge of the rectangle, with v

asked by Sliverstream on March 18, 2019
68. ## Math

Please help. I'm sure I use tan but not able to figure this out. A rectangular prism has base dimensions of 24cm by 7 cm. a metal rod is run from the bottom corner diagonally to the top corner of the prism. If the rod forms an angle if 40 degrees with the

asked by Cherie on October 8, 2014
69. ## math

A square shaped park measures 3/5 mile long on each side. What is the area of the park?

asked by marty Martinez on November 8, 2010
70. ## geometry

A rectangle measures 6 inches in length by 9 inches in width. If the rectangle will be enlarged by 250%, what will be the lengths of the sides of the new rectangle? What percent bigger is the perimeter of the new rectangle, compared to the original?

asked by Kalem on May 17, 2011
71. ## Algebra HELP:(

I am terrible at word problems. How do I work this? A large park is to be built in the shape of a rectangle. The length is to be 5 m shorter than three times the width. The perimeter of the park is to be 750 m. What will be the length and width of the

asked by bb on June 8, 2010
72. ## Homework for Math

A park in the shape of a rectangle has dimensions 60m by 100m. If the park contains a rectangular garden enclosed by a concrete terrace, how wide is the terrace if the are of the garden is one-half the area of the park?

asked by Sylvestre Felis on January 12, 2016
73. ## Math

The top horizontal edge of the rectangle measures 17 centimeters, the left vertical edge of the rectangle measures 22 centimeters, and the bottom horizontal edge measures 17 centimeters. The left vertical leg is on the right edge of the rectangle, with v

asked by Sliverstream on March 18, 2019

In the rectangle in the drawing, a charge is to be placed at the empty corner to make the net force on the charge at corner A point along the vertical direction. What charge (magnitude and algebraic sign) must be placed at the empty corner?

asked by Anonymous on January 12, 2013
75. ## physics

In the rectangle in the drawing, a charge is to be placed at the empty corner to make the net force on the charge at corner A point along the vertical direction. What charge (magnitude and algebraic sign) must be placed at the empty corner?

asked by adam on January 13, 2013

In the rectangle in the drawing, a charge is to be placed at the empty corner to make the net force on the charge at corner A point along the vertical direction. What charge (magnitude and algebraic sign) must be placed at the empty corner?

asked by Anonymous on January 10, 2013
77. ## Math-Algebra

What length will Jem swim diagonally if she wish to reach the opposite corner of a15-meter pool which is square in shape?

asked by McKenna Louise on October 9, 2013
78. ## math

A rectangular garden is 20 m by 25m. It is surrounded by a sidewalk. The outside perimeter of the sidewalk is 114m. What is the width of the sidewalk?

asked by john on April 7, 2013
79. ## calculus

Find the area of the largest rectangle with one corner at the origin, the opposite corner in the first quadrant on the graph of the line f(x)=20-5x , and sides parallel to the axes.

asked by ali on November 3, 2008
80. ## Math

A square flower garden and a sidewalk around the garden have an area of 400 ft2. The sidewalk has a width of 3 ft. What is the length of one side of the flower garden?

asked by Hope on January 9, 2012
81. ## Math

You will be designing a park your park must contain the following a rectangle 100yds x 120yds . A picnic n playground area must be add up to be at least 1/2 of the park the picnic area must have a circular garden

asked by Ariana on May 24, 2013
82. ## Calculus

3) Consider rectangles located as shown in the first quadrant and inscribed under a decreasing curve, with the lower left hand corner at the origin and the upper right hand corner on the curve y = sqrt(9 - x2) Find the width, height and area of the largest

asked by Anonymous on April 11, 2007
83. ## Physics

A 42.5 kg student runs down the sidewalk and jumps with a horizontal speed of 4.16 m/s onto a stationary skateboard. The student and skateboard move down the sidewalk with a speed of 3.97 m/s. a) Find the mass of the skateboard.

asked by Angel on January 22, 2012
84. ## Math

Everyday Ms. Twinkle walks around a park near her house. The park is in the shape of rectangle 2 mi long and 1 3/10 mi wide. How far does she walk?

asked by Krys on September 29, 2014
85. ## math

the length of a rectangle is 5cm ...the area of a rectangle is the same as that of a square whose is side measures 4cm..find the width of a rectangle

asked by Ammon on January 9, 2013
86. ## Physics

A charge of +2q is fixed to one corner of a square, while a charge of -3q is fixed to the diagonally opposite corner. Expressed in terms of q, what charge should be fixed to the center of the square, so the potential is zero at each of the two empty

asked by Mary on September 2, 2007
87. ## geometry

A cube with edges inch long is shown below. What is the length, in inches, of a diagonal that runs from one corner of the cube to the opposite corner?

asked by shirley on January 31, 2012
88. ## math

A diagonal of a rectangle measures 61cm. The width of the rectangle is 11cm. Find the length of the rectangle.

asked by mandy on December 7, 2011
89. ## algebra--1 question

A park is shaped like a rectangle with a length 5 times it's width w. What is a simplified expression for the distance between opposite corners of the park?

asked by SkatingDJ on May 1, 2015

Every day ms. Smith walks around the park near her house. The park is in the shape of a rectangle 3 mi long and 1 7/10 mi wide. How far does she walk? I got 4 7/10 mi. Is that correct?

asked by Gabby on September 11, 2013
91. ## geometry

a rectangle measures 30 feet by 20 feet and has a post at each corner and a post every 2ft. How many posts in all?

asked by Jay on November 15, 2011
92. ## Math

in a rectangle the measures of the base and the altitude are in a ratio of 1:4. I f the rectangle is equal in area to a square with a perimeter of 60 feet, find the dimensions of the rectangle HELP PLEASE TYSM!!

asked by Melinda on October 7, 2014
93. ## Calculus

A rectangle has one corner in quadrant I on the graph of y = 9 − x^2,another corner at the origin, and corners on both the positive y-axis and the positive x-axis. As the corner on y = 9 − x2 changes, a variety of rectangles are obtained. Express the

asked by Delaney on September 7, 2014
94. ## 8th grade

(a)on july 15,2007 , the national debt of the united states of americawas a little more than 8.8 trillion dollars. at that time, the population of the united states was a little more than 300 million. approximately how much money would each of the 300

asked by 8th grade on November 13, 2008
95. ## math

A park is in the form of a rectangle 100 m×80 mat. At the centre of the park there is a circular lawn. The area of the park excluding the lawn is 4150 m^2 find the radius of the circular lawn

asked by Neha on June 7, 2016
96. ## Algebra

Can someone check my work for the following? I am supposed to use the five-step method to solve & check, but I don't know what that is. Anyway 1. One-third of a number is 5 less than half of the same number. What is the number? My answer: 1/3x = 1/2x - 5

asked by Tamir on June 11, 2010
97. ## Math

I don't understand this quadratic equation: The ratio of the measures of the length and width of a rectangle is 5:7. the area of the rectangle is 1,715 square feet. Find the dimensions of the rectangle.

asked by Elizabeth on January 31, 2012
98. ## physics

a 43.7 kg student runs down the sidewalk and jumps with a horizontal speed of 4.48 m/s onto a stationary skateboard. the student and the skateboard move down the sidewalk with a speed of 4.25m/s. find the mass of the skateboard in units of kg. how fast

asked by annonymous on January 22, 2012
99. ## physics

a 43.7 kg student runs down the sidewalk and jumps with a horizontal speed of 4.48 m/s onto a stationary skateboard. the student and the skateboard move down the sidewalk with a speed of 4.25m/s. find the mass of the skateboard in units of kg. how fast

asked by annonymous on January 22, 2012
100. ## physics

a 43.7 kg student runs down the sidewalk and jumps with a horizontal speed of 4.48 m/s onto a stationary skateboard. the student and the skateboard move down the sidewalk with a speed of 4.25m/s. find the mass of the skateboard in units of kg. how fast

asked by annonymous on January 22, 2012