# A brick is thrown upward from the top of a building at an angle of 25° to the horizontal and with an initial speed of 15m/s. If the brick is in the flightfor 3.0 s, how tall is the building?

34,416 questions
1. ## physics

A brick is thrown upward from the top of a building at an angle of 10° to the horizontal and with an initial speed of 11 m/s. If the brick is in flight for 2.8 s, how tall is the building?

asked by mel on February 9, 2010
2. ## physics

A brick is thrown upward from the top of a building at an angle of 25° to the horizontal and with an initial speed of 17 m/s. If the brick is in flight for 2.5 s, how tall is the building?

asked by tiffany on September 20, 2010
3. ## physics

A brick is thrown upward from the top of a building at an angle of 25° to the horizontal and with an initial speed of 16 m/s. If the brick is in flight for 3.1 s, how tall is the building?

asked by sid on February 21, 2012

A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 15 m/s. If the brick is in flight for 2.7 s, how tall is the building? in (m)

asked by lisa on February 4, 2016
5. ## physics

A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 15 m/s. If the brick is in flight for 2.7 s, how tall is the building?

asked by lisa on February 5, 2016
6. ## physics

A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 15 m/s. If the brick is in flight for 2.7 s, how tall is the building? (in m) could someone help me please!!!

asked by lisa on February 7, 2016
7. ## physics

A brick is thrown upward from the top of a building at an angle of 40° to the horizontal and with an initial speed of 16 m/s. If the brick is in flight for 3.4 s, how tall is the building?

asked by kaf on January 29, 2012
8. ## physics

A brick is thrown upward from the top of a building at an angle of 40° to the horizontal and with an initial speed of 12 m/s. If the brick is in flight for 2.5 s, how tall is the building?

asked by Anonymous on September 25, 2010
9. ## physic

A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 15 m/s. If the brick is in flight for 2.7 s, how tall is the building? in (m)

asked by mark on February 3, 2016
10. ## physics

A brick is thrown upward from the top of a building at an angle of 15° to the horizontal and with an initial speed of 16 m/s. If the brick is in flight for 2.8 s, how tall is the building?

asked by Claudia on September 27, 2010
11. ## physics

A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 14 m/s. If the brick is in flight for 3s, how tall is the building?

asked by TNT on February 16, 2018
12. ## Physics

A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 12 m/s. If the brick is in flight for 3.5 s, how tall is the building?

asked by Court on September 11, 2011
13. ## Physics

A brick is thrown upward from the top of a building at an angle of 25° to the horizontal and with an initial speed of 17 m/s. If the brick is in flight for 3.3 s, how tall is the building? m

asked by Crown on September 12, 2012
14. ## Physics

A brick is thrown upward from the top of a building at an angle of 30° to the horizontal and with an initial speed of 11 m/s. If the brick is in flight for 3.2 s, how tall is the building? ___m

asked by jc on September 21, 2010
15. ## Physics

A brick is thrown upward from the top of a building at an angle of 27.6 above the horizontal and with an initial speed of 13.9 m/s. The acceleration of gravity is 9.8 m/s. If the brick is in ﬂight for 3 s, how tall is the building?

asked by ferras on November 4, 2012
16. ## physics

A brick is thrown upward from the top of a building at an angle of 33.5◦ above the hori- zontal and with an initial speed of 12.8 m/s. The acceleration of gravity is 9.8 m/s2 . If the brick is in ﬂight for 3.4 s, how tall is the building?

asked by Anonymous on October 23, 2014
17. ## Physics

A brick is thrown upward from the top of a building at an angle of 19.3◦ above the horizontal and with an initial speed of 22.5 m/s. The acceleration of gravity is 9.8 m/s2 . If the brick is in ﬂight for 3.5 s, how tall is the building? Answer in units

asked by Lyndsay on January 15, 2018
18. ## AP physics

A brick is thrown upward from the top of a building at an angle of 25.1 ◦ above the horizontal and with an initial speed of 19.4 m/s. The acceleration of gravity is 9.8 m/s 2 . If the brick is in ﬂight for 3.5 s, how tall is

asked by mustta on September 30, 2012
19. ## physics

a brick is thrown upward from the top of a building at an angle of 25 degrees to the horizontal and with an initial speed of 15 m/s. what is the velocity of the brick at the max height? (the answer is 13.6 but I don't understand why or how to do it) (i

asked by Anthony on January 31, 2017
20. ## Physics

A brick is thrown vertically upward with an initial speed of 3.00 m/s from the roof of a building. If the building is 78.4 m tall, how much time passes before the brick lands on the ground? I think I may have gotten part of this question by first

asked by Julia on February 13, 2011
21. ## Physics

A brick is thrown vertically upward with an initial speed of 4.40 m/s from the roof of a building. If the building is 74.0 m tall, how much time passes before the brick lands on the ground?

asked by Alysse on February 2, 2010
22. ## Physics

A brick is thrown vertically upward with an initial speed of 4.40 m/s from the roof of a building. If the building is 74.0 m tall, how much time passes before the brick lands on the ground?

asked by Max on February 12, 2010
23. ## physics

A brick is thrown vertically upward with an initial speed of 5.00 m/s from the roof of a building. If the building is 112.0 m tall, how much time passes before the brick lands on the ground?

asked by dale on February 7, 2010
24. ## Physics

A brick is thrown horizontally off the top of a building at 7 m/s. If the building is 31m tall, how far from the base of the building will the brick land.

asked by Millie on January 20, 2016
25. ## Physics

A brick is thrown vertically upward with an initial speed of 4.40 m/s from the roof of a building. If the building is 74.0 m tall, how much time passes before the brick lands on the ground? I don't get how to solve it still

asked by Alysse on February 2, 2010
26. ## Physic

A stone is thrown from the top of a building upward at an angle of 30.0 to the horizontal and with an initial speed of 25.0m/s ,if the heights of the building is 75.0m..How long is the flight?

27. ## Physics

An objectis thrown upward from the edge of a tall building with a velocity of 10m/s. Where will the object be 3s after it is thrown? Take g = 10m/s^2 15m above the top of the building 30m below the top of the building 15m below the top of the building 30m

asked by Lawrence on October 13, 2011
28. ## physics

a brick is dropped (0 initial speed) from the top of a building. the brick strikes the ground in 2.5 seconds. you may ignore air resistant so the brick is in free fall. A)how tall in meters is the building? B) what is the magnitude of the brick's velocity

asked by josh on July 18, 2010
29. ## Physics

A brick is thrown off a building at a 25 degree angle at 10m/s, it lands 40 meters away, How high is the building?

asked by Joshua on March 26, 2013
30. ## physics

A ball is thrown from the top of a building upward at an angle of 66 ◦ to the horizontal and with an initial speed of 16 m/s. The ball is thrown at a height of 53 m above the ground and hits the ground 33.2074 m from the base of the building. The

asked by Anonymous on November 8, 2009
31. ## Physics

A ball is thrown at an angle of 37.1degrees above the horizontal from a point on the top of a building and 60m from the edge of the building. It just misses the edge of the building and continues on towards the ground. The building is 50m high. At what

asked by Anonymous on March 13, 2008
32. ## physics

A stone is thrown from the top of a building upward at an angle of 30.0∘to the horizontal and with an initial speed of 20.0 m/s. If the height of the building is 45.0 m, what is the speed in m/sec of the stone just before it strikes the ground ?

asked by Rachit agrawal on September 8, 2014
33. ## calculus

A brick becomes dislodged from the top of a state building (at a height of 1290 feet) and falls to the sidewalk below. (a) Write the position, velocity, and acceleration functions of the brick. s(t) = v(t) = a(t) = (b) How long does it take the brick to

asked by Brandi on March 6, 2013
34. ## physic

a stone is drop from the top of a building and at thesame time a second stone is thrown vertically upward from the botom of the building at a speed of 20m/s, they passed each other 3s later. find the hight of the building.

asked by Timoty on September 20, 2016
35. ## physics

A brick is dropped (zero initial speed) from the roof of a building. The brick strikes the ground in 3.05 s. You may ignore air resistance, so the brick is in free fall. (a) How tall, in meters, is the building? (b) What is the magnitude of the brick's

asked by kylie on December 15, 2016
36. ## phusics

A ball is thrown vertically upward from top of a building with speed of 20m/s. On the way back ball misses the building and lands on the ground. Total time the ball is in air is 6 seconds. Determine the height of the building.

asked by mark matat on February 14, 2011
37. ## science

Two stones are launched from the top of a tall building. One stone is thrown in a direction 30.0degree above the horizontal with a speed of 10.0m/s ; the other is thrown in a direction 30.0degree below the horizontal with the same speed. Which stone lands

asked by bob on September 8, 2008
38. ## Physics

An object is thrown upward from the top of a 10.0m high building at a speed of 10.0m/s. How fast is the object moving when it reaches the bottom of the building? The answer is 17.2 m/s but how?

asked by Jeff on September 22, 2014
39. ## Maths

A platform and building are on thesame plane. The of angle of depression of the bottom(c) of the building from the top(a) of the platform is 39degree. The angle of elevation of the top(o)of the building from the top of the platform is 56. Given that the

asked by Evans on February 20, 2016
40. ## Math: Word Problem

A ball is thrown upward from the top of a building which is 96ft tall w/ Initial velocity of 80 ft per sec. Distance s(ft) of ball from the ground after t sec is s=96+80t-16t^(2) 1) how many sec. will the ball pass the top of the building when it is coming

asked by Amy~ on September 7, 2010
41. ## math

a plat form and a building are on the same horizontal plane , the angle of depression of the bottom of the building from the top A of the platform is 39 degree. the angle of elevation of the top D of the building from the top of the platform is 56 degree.

asked by chris on May 12, 2016
42. ## math 1 question

Suppose you are building a brick border for a garden by stacking rows of bricks on top of each other. If the height of each brick is 2.5 inches and r represents the number of rows, which algebraic expression would represent the height of the brick wall?

asked by SkatingDJ on September 6, 2014
43. ## general physics

Assume acceleration due to gravity=10 m/s. A ball is thrown vertically upward from top of a building with speed of 20 m/s. On the way back ball misses the building and lands on the ground. Total time the ball is in air is 6 seconds. Determine the height of

asked by mark matat on February 14, 2011
44. ## physics

Assume acceleration due to gravity=10 m/s. A ball is thrown vertically upward from top of a building with speed of 20 m/s. On the way back ball misses the building and lands on the ground. Total time the ball is in air is 6 seconds. Determine the height of

asked by Mark on February 14, 2011
45. ## physics

a rock is directly thrown upward from the edge of a roof of a building that is 56.3m tall. the rock misses the building on its way down, and is observed to strike the ground 4 seconds after being thrown. with what speed was the rock thrown?

asked by elias on March 23, 2018
46. ## Physics

A rock is thrown directly upward from the edge of the roof of a building that is 40.2 meters tall. The rock misses the building on its way down, and is observed to strike the ground 4.00 seconds after being thrown. Neglect any effects of air resistance.

asked by Megan on April 8, 2016
47. ## Physics

A rock is thrown directly upward from the edge of the roof of a building that is 35.3 meters tall. The rock misses the building on its way down, and is observed to strike the ground 4.00 seconds after being thrown. Neglect any effects of air resistance.

asked by Thomas on March 21, 2015
48. ## Algebra

A ball is thrown from the top of a 50-ft building with an upward velocity of 24 ft/s. When will it reach its maximum height? How far above the ground will it be?

asked by WhenEverythingYouTouchTurnsToGold on April 30, 2018
49. ## Math

A platform and a building are on thesame plane. The angle of depression of the bottom(c) of the building from is 39degree. The angle of elevation of the top(o) of the building From the top of the platform is 56. Given that the distance between the foot of

asked by Evans on February 20, 2016
50. ## physics

Three identical balls are thrown from the top of a building, all with the same initial speed. The first is thrown horizontally, the second at some angle above the horizontal, and the third at some angle below the horizontal. Neglecting air resistance, rank

asked by matt on October 5, 2010
51. ## college physics

Three identical balls are thrown from the top of a building, all with the same initial speed. The first is thrown horizontally, the second at some angle above the horizontal, and the third at some angle below the horizontal. Neglecting air resistance, rank

asked by matt on October 5, 2010
52. ## Physics

HELP PLEASE. Hypothetically, you are standing on the balcony of an apartment on the 10th level of a building and you throw a ball at some angle, 0 , above the horizontal away from the building. the ball lands on the ground 10m from the building, 3.2s after

asked by Melissa on April 26, 2012
53. ## Physics

Hypothetically, you are standing on the balcony of an apartment on the 10th level of a building and you throw a ball at some angle,è , above the horizontal away from the building. the ball lands on the ground 10m from the building, 3.2s after it was

asked by Rodney on April 26, 2012
54. ## physics

A ball is thrown upward from the top of a 24.4-m-tall building. The ball's initial speed is 12 m/s. At the same instant, a person is running on the ground at a distance of 30.2 m from the building. What must be the average speed of the person if he is to

asked by mae on August 30, 2011
55. ## physic

A ball is thrown upward from the top of a 24.4 m tall building. The ball's initial speed is 12 m/s. At the same instant, a person is running on the ground at a distance of 31.4 m from the building. What must be the average speed of the person if he is to

asked by Anonymous on August 29, 2012
56. ## Physics

A ball is thrown upward from the top of a 50.0 m tall building. The ball's initial speed is 12.0 m/s. At the same instant, a person is running on the ground at a distance of 44.0 m from the building. What must be the average speed of the person if he is to

asked by Kelly on February 5, 2012
57. ## physics

A ball is thrown upward from the top of a 40.0 m tall building. The ball's initial speed is 12.0 m/s. At the same instant, a person is running on the ground at a distance of 31.0 m from the building. What must be the average speed of the person if he

asked by sandhu on September 17, 2009
58. ## Physics

A ball is thrown upward from the top of a 24.6 m tall building. The ball's initial speed is 12 m/s. At the same instant, a person is running on the ground at a distance of 31.2 m from the building. What must be the average speed of the person if he is to

asked by Jenn on September 23, 2012
59. ## physics

a ball is thrown vertically upward from the top of the building with a velocity 10m/s.it reaches the ground in 5 sec.Find the height of the building the ball strikes the ground?

asked by p on September 13, 2012
60. ## Physics

You can use any coordinate system you like in order to solve a projectile motion problem. To demonstrate the truth of this statement, consider a ball thrown off the top of a building with a velocity v at an angle θ with respect to the horizontal. Let the

asked by Malorie on February 5, 2014
61. ## physics

A rock is shot vertically upward from the edge of the top of a tall building.The rock reaches its maximum height above the top of the building 1.90 s after being shot. Then, after barely missing the edge of the building as it falls downward, the rock

asked by kristy on September 12, 2013

A stone is dropped from the top of a tall building and at the same time another stone is thrown vertically upward from the ground level with a velocity of 20m/s the stones meet exectity 2s after their release how tall is the building

asked by Aisha naabba on June 14, 2015
63. ## math

A man walks directly from point A towards the foot of a tall building 240m away. After covering 180m, he observes that the angle of the top of the building is 45. Determine the angle of elevation of the top of the building from A.

asked by king on February 4, 2015
64. ## Math

From the top of the Metro Building, the angle of elevation of the top of the Gammapro Building is 24° and the angle of depression to the foot of the Gammapro Building is 56°. If the buildings are 45 m apart, determine the height of each building to the

asked by Amanda on July 7, 2015
65. ## Triginometry

From the top of the Metro Building, the angle of elevation of the top of the Gammapro Building is 24° and the angle of depression to the foot of the Gammapro Building is 56°. If the buildings are 45 m apart, determine the height of each building to the

asked by Amanda on July 7, 2015
66. ## Calculus

Find the maximum height of a ball thrown upward from the top of a 640 ft tall building with an initial velocity of 128 ft/s

asked by Millie on February 12, 2013
67. ## Algebra

A ball is thrown from the top of a 50-ft building with an upward velocity of 24 ft/s. When will it reach its maximum height? How far above the ground will it be? Use the equation h(t)= -16t^2 + 24t + 50

asked by Connor Steelwood on April 1, 2019
68. ## Algebra

A ball is thrown from the top of a 50-ft building with an upward velocity of 24 ft/s. When will it reach its maximum height? How far above the ground will it be? Use the equation h(t)= -16t^2 + 24t + 50

asked by Connor Steelwood on March 28, 2019
69. ## Pre-Calculus

1.The angle of elevation to top of a building from a point on the ground 20degrees and the angle of elevation from a point to 25 feet farther away is 12degrees. Find the height of the building. 2.From a point on the ground, the angle of elevation to the

asked by Jay on January 13, 2011
70. ## Trig

Jenny is standing 400 feet from an 800 foot tall building. Jenny walks away from the building to a point where the angle of elevation to the top of the building is 22°. What is the angle of elevation to the top of the building from Jenny’s original

asked by Alex on February 14, 2019
71. ## math

From a point on the grornd 500m from the base of a building an observer find that the angle of elevation tothe top of building is 24degree and the angle of elevation to the top of a flagpole on top of the building is 27degree. Find the height of the

asked by mata on February 9, 2016
72. ## math

The feet of two building of height 30miter amd 70meter are on the same horizontal line with a hole on the ground.The smaller building being between the taller one and the hole is 200meter the angle of elevation of the top of the taller building from the

73. ## Algebra 1

A ball is thrown from the top of a 50-ft building with an upward velocity of 24 ft/s. When will it reach its maximum height? How far above the ground will it be? Use the equation h(t)= -16t2 + 24t + 50 Please help me with this problem, thanks.

asked by Aliyah on March 16, 2018
74. ## Math

Fred was measuring the height of a building. He stood standing at some distance from the building and measured an angle of 38 degrees to the top of the building. He then walked 100 feet further away from the building and measured an angle of 34 degrees to

asked by Anonymous on December 12, 2009
75. ## physical sciences

a small brick mass 700 g is projected vertically downwards at a velocity of 1,25(m/s) from the top of a building of height 25m.calculate the magnitude of the velocity at which the brick hits the ground?

asked by Anonymous on February 15, 2014
76. ## projectiles

a small brick mass 700 g is projected vertically downwards at a velocity of 1,25(m/s) from the top of a building of height 25m.calculate the magnitude of the velocity at which the brick hits the ground?

asked by Anonymous on February 15, 2014
77. ## College Trigonometry

From a point 200 yards from the foot of a building, the angle of elevation to the top of the building is 37 degrees. Find the measure of the angles of the triangle formed by the building, the ground, and the line of sight to the top of the building?

asked by Marie on January 16, 2013
78. ## maths

An observer on top of a building 66 metres high,finds the angle of elevation to the top of a taller building to be 34 degrees.The angle of depression to the foot of the same building is 51 degrees.If the buildings are on the same ground level find the

asked by Shane on March 13, 2013
79. ## Physics

A rock is thrown vertically upward with a speed of 11.0 from the roof of a building that is 70.0 above the ground. Assume free fall. In how many seconds after being thrown does the rock strike the ground? What is the speed of the rock just before it

asked by JC on September 10, 2006
80. ## physics

A snowball is thrown horizontally with a speed of 23.9 m/s from the top of a campus building. It takes the snowball 1.91 sec to travel from the top of the building to the parking lot below. How tall is the building?

asked by Alex on December 2, 2009
81. ## Math - Trig

From the foot of a building I have to look upwards at an angle of 22degrees to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50degrees to look at the top of the tree. a.

asked by McKenna Louise on December 14, 2013
82. ## Trigonometry

From the foot of a building I have to look upwards at an angle of 22degrees to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50degrees to look at the top of the tree. a.

asked by Marie Ashley on December 15, 2013
83. ## math

a ball is thrown upward at 64 feet per second from the top of an 80 feet high building. The height of the ball can be modeled by S(t) = -16t^2 + 64t + 80(feet), where t is the number of seconds after the ball is thrown. describe the graph model

asked by nina on October 7, 2012
84. ## math

A man is standing 35 m from a building. On top of the building is a flg. From the man, the angle of elevation of the top of the building is pi/6 radians and the angle of elevation of the top of the flag is pi/3 radians. Determine an exact expression for

asked by Anonymous on November 9, 2009
85. ## physics

a brick is dropped form the roof of a building. On the way down it passes a 2m high window and is observed to pass from the top to the bottom of the window in 0.25s. (a) How fast was it moving when it passed the top of the window? (b)How far below the roof

asked by Anthony on January 24, 2017
86. ## Math

Ms hunt is standing on top of the building that is 135m tall. The angle of depression to the top of the building next door is 71 degrees. The angle of depression to the base of the building is 77degrees. The buildings are 31m apart. How tall is the other

asked by Nikka on May 5, 2016
87. ## Physics

An object is thrown from the top edge of a building at a speed of 21.21 m/s at an angle of 45degrees above the horizontal. Some time later it passes point A which is 20m below the level of the top of the building, and continues to strike ground at point B.

asked by Anonymous on March 15, 2008
88. ## Math

From the window of one building, Matt finds the angle of elevation of the top of a second building is 33° and the angle of depression to the bottom of the same building is 55°. The buildings are 25 meters apart. Find the height of the second building to

asked by Amanda on July 7, 2015
89. ## Math - Trig

From the foot of a building I have to look upwards at an angle of 22° to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50° to look at the top of the tree. a. How tall

asked by Shelley Nicole on December 12, 2013
90. ## math

From the foot of a building I have to look upwards at an angle of 22° to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50° to look at the top of the tree. a. How tall

asked by mackenzie on February 11, 2014
91. ## Physics

A. You can use any coordinate system you like in order to solve a projectile motion problem. To demonstrate the truth of this statement, consider a ball thrown off the top of a building with a velocity at an angle θ with respect to the horizontal. Let the

asked by Awonah on September 9, 2011
92. ## math

john is standing 100 metres away from a building.the angle of elevationto the top of the building is8 degrees .He now walks straight away from the building.When he stopes,the angle of elevation is only 1 degree and 48 seconds.How far away is now from the

asked by Pauline Duma on September 26, 2011
93. ## math

john is standing 100 metres away from a building.the angle of elevationto the top of the building is8 degrees .He now walks straight away from the building.When he stopes,the angle of elevation is only 1 degree and 48 seconds.How far away is now from the

asked by Pauline Duma on September 26, 2011
94. ## geometry

chung ho is standing on the top of a building that is 135m tall. The angle of depression to the top of the building next door is 71 degrees. The angle to the base of the building is 77 degrees. The buildings are 31m apart. How tall is the other building?

asked by Math on March 1, 2012
95. ## Math

1. Graph the quadratic equation y = x2 + x – 2. Identify the axis of symmetry and the vertex. 2. A ball is thrown from the top of a 50-ft building with an upward velocity of 24 ft/s. When will it reach its maximum height? How far above the ground will it

asked by 1234 on May 1, 2018
96. ## Science

A ball is thrown upward at 20 metres per second off the top of a building that is 12 m high. What is the height of the ball above the ground at its highest poin?

asked by Nthabiseng on January 29, 2014
97. ## civil engineering

A stone (on the edge of the roof) thrown from the top of a building is given an initial velocity of 20.0 m/s straight upward. The building is 50.0 m high, as shown in Fig. 4. Using tA = 0 as the time the stone leaves the thrower’s hand at position ○A .

asked by hamze on April 1, 2013
98. ## Trigonometry

From a window of one building, the angle of depression to the base of the second building is 29.5, and the angle of elevation to the top is 47.833333. If the building are 200m apart, how high is the second building?

asked by hasdasd on March 2, 2015
99. ## Physics

One object is thrown straight up at 54.9 m/s from the ground at the base of a building with is 157.9 meters tall. At the same time the object is thrown up at the bottom of the building, another object is thrown straight down at the top of the building. If

asked by Kimmy on September 24, 2014
100. ## physics

A ball is thrown upward off the top of a 30-meter high building. 10 meters below the top of the roof, is the top of a window, which is 2 meters high. How long (time) does it take for the ball to pass from top to bottom of the window? What I have so far is:

asked by Dreskillz89 on September 28, 2009