# Consider a boy standing on a building that is 500m height and another boy standing on the ground. If the boy on the ground throws a ball to the boy standing on the building, with what vertical velocity must the

23,347 questions
1. ## physics

Consider a boy standing on a building that is 500m height and another boy standing on the ground. If the boy on the ground throws a ball to the boy standing on the building, with what vertical velocity must the ball be thrown such that it reaches the boy

asked by divya on July 27, 2011
2. ## science

A boy standing on top a building with a height of 500m throws a ball vertically upwards. The balls take 40s to reach to the ground. Neglecting the height of the boy throwing the ball, determine the velocity of the ball.

asked by Pankaj kumar suman on December 23, 2012
3. ## English

English posted by rfvv yesterday at 2:39am 1. I saw a boy in the car. 2. When I saw a boy, I was in the car. 3. I saw a boy who was in the car. At that time I was near the car. [Does #1 mean either #2 or #3 according to the context? Which one is a common

asked by rfvv on April 17, 2018
4. ## algerbra

The function h = -t2 + 95 models the path of a ball thrown by a boy where h represents height, in feet, and t represents the time, in seconds, that the ball is in the air. Assuming the boy lives at sea level where h = 0 ft, which is a likely place the boy

asked by Crystal on April 11, 2016
5. ## Physics

Two boys standing on carts that move along a horizontal frictionless surface. The mass of each boy-cart combination is 100 kg, and each moves initially with the velocities of: Boy A 7cm/sec and Boy B: 10cm/sec. The boy on cart A throws a 2kg ball to the

asked by Danisha on April 11, 2013
6. ## physics

A boy standing on top of a building throws a small ball from a height of H1 = 43.0 m. The ball leaves with a speed of 14.9 m/s, at an angle of 55.0 degrees from the horizontal, and lands on a building with a height of H2 = 14.0 m. Calculate for how long

asked by John on January 21, 2014
7. ## Math

A Boy Of Height 1.5m Is Standing By 4.2m Away From The Foot Of A Post Of Height 6m.Find The Length Of His Shadow

asked by Disha on January 19, 2017
8. ## physics

Find the pottential energy of a boy of mass 10kg standing on a building floor 10 meters above the ground level p.e?

asked by Salisu on February 3, 2014
9. ## Physics

A boy is standing on a skateboard holding two 5.0 kg bowling balls. Initially they are moving to the left at a speed of 3.0 m/s. At one point the boy throws one ball to the right at 4.0 m/s causing his speed to increase. Before he can slow down, he throws

asked by Jordan on November 29, 2012
10. ## science equations

a boy standing n a high cliff dives into the ocean below and strikes the water after 2.5 s. what is the boy's velocity when he hits the water? deltav=gxt

asked by summer on January 24, 2008
11. ## Physics

Find The Potential Energy Of A Boy Mass 10kg Standing On A Building Floor Of 10 Metres Above Ground Level. 10*10*10 =1000

asked by Davido on March 25, 2016
12. ## College Physics

where must a 500 N weight be hung on a uniform beam w/ a length of 5 m and weighs 150 N so that the girl standing on the other end is 1/4 as much as the boy standing at the other end?

asked by Anonymous on February 22, 2015
13. ## Physics

a boy throws a stone vertically up to a man standing at a height of 2.0m above the boy. If the stone is thrown up with a velocity of 7.0metres per second what is the velocity of the stone at the instant when it is caught by the man A. 3.0m/s B. 6.2m/s C.

asked by Mnashe on August 22, 2018
14. ## science

A boy is standing at the top of the a building, 40 m high. He leans over the side and throws a pebble vertically upwards from the edge of the building at 12m.s^-1. The pebble reaches the ground at the foot of the building. Calculate time for the pebble to

asked by Itumeleng on February 2, 2016
15. ## physics

A 45 kg boy is holding a 12 kg pumpkin while standing on ice skates on a smooth frozen pond. The boy tosses the pumpkin with a horizontal speed of 2.8 m/s towards a 37 kg girl who catches it. The girl is also wearing ice skates. What are the final speeds

asked by Hal on March 3, 2014
16. ## ALGEBRA

The function h=t^2 +95 models the path of a ball is in the air. assuming the boy lives at sea level where h=0 ft, which is a likely place the boy could have been standing when he threw this ball? a. his backyard b. an underground cave c. a ladder d. a

asked by allexelle on April 12, 2015
17. ## Physics

A ball bounces vertically on the ground after being thrown vertically up into the air by a boy standing on the edge of a building

asked by Deli on February 1, 2012
18. ## Physics

A boy on a swing reaches a maximum height of 3.2 m and a minimum height of .55 m. What is the speed of the boy at the lowest point if the boy has a mass of 34 kg? v(final)=?

asked by Tori on January 28, 2016
19. ## math

This question has a few parts to it. I tried but not sure if they are correct. A boy standing on top of a building in Albany throws a water balloon up vertically. The height (h) in feet, of the water is given by the equation h(t)=-16t^2+64t +192. where the

asked by sara on October 21, 2018
20. ## physics

a nasty little boy tries to drop a water balloon from the top of a 20 m tall building so it lands next to and splashes an innocent woman standing on the ground below. how long does the woman have to get out of the way?

asked by Matt on November 14, 2012
21. ## physics

A boy standing in a ditch throws a baseball upward toward his father. The ball leaves his hand at ground level, with an initial speed of 15.0 m/s, at an angle of theta = 53.0 degrees from the horizontal. The boy's father reaches up and catches the ball

asked by tab on October 16, 2011
22. ## Physics

A boy standing in a ditch throws a baseball upward toward his father. The ball leaves his hand at ground level, with an initial speed of 16.0 m/s,at an angle of θ = 51°, from the horizontal. The boy's father reaches up and catches the ball over his head,

asked by Nelson on February 6, 2015
23. ## Math

I can't figure this out! Help please! The Problem At the local park, I saw a man was quizzing a boy with some simple arithmetic problems, and the boy seemed to be getting them all correct. He asked the boy, "32 + 5", and the boy answered, "37". The man

asked by George on September 30, 2015
24. ## science

A big plane mirror is fixed vertically on the back of bicyce. A boy standing in front of the mirror can see his image clearly in the plane mirror. The bicycle starts moving with the sepeed of 6 ms–1 and the boy also starts running with 4 ms–1 in the

asked by aaaa on January 9, 2012
25. ## science

A big plane mirror is fixed vertically on the back of bicyce. A boy standing in front of the mirror can see his image clearly in the plane mirror. The bicycle starts moving with the sepeed of 6 ms–1 and the boy also starts running with 4 ms–1 in the

asked by PRAMIT on January 9, 2012
26. ## maths

A boy 1.5m tall,while standing, views the top of a pole of height 10m at angle of elevation of 40 degrees.How far away is the POLE.?

asked by Olatunji on May 12, 2016
27. ## science

A Boy of mass 25 kg climbs atop a playground slide of height h= 3 m. When the boy slides down the inclined board, the work done to overcome friction is 550 Joule. What is the boy’s speed before he touches the ground.

asked by pooja on February 16, 2014
28. ## physical

A boy throws a stone vertically up to a man standing at a heigt of 2 m above the boy. Of the stone is thrown up with a velocity of 7.0m s what is the velocity of the stone at the instant when it is caught by the man. A clear explaination is greatly

asked by Timothy on February 5, 2011
29. ## physics

A boy 14.0m above the ground in a tree throws a ball for his dog, who is standing right below the tree and starts running the instant the ball is thrown. If the boy throws the ball upward at 50.0∘ above the horizontal, at 8.00m/s .

asked by Anonymous on September 18, 2014
30. ## maths

a chimney of 20m height standing on the top of a building subtends an angle whose tangent is 1/6 at a distance of 70m from the foot of the building find the height of the building .

asked by Anonymous on February 10, 2013
31. ## Physics

A boy starts at rest and slides down a frictionless slide as in the figure below. The bottom of the track is a height h above the ground. The boy then leaves the track horizontally, striking the ground a distance d as shown. Using energy methods, determine

asked by Brandon on October 17, 2011
32. ## Language Arts

Why does the author of "The Drummer Boy of Shiloh" say it is a "solemn night for a boy just turned fourteen"? A. The wind is full of whispers B. The army is cramped near a church C. The boy will be in his first battle soon D. The boy does not like sleeping

asked by Gwen on September 22, 2014
33. ## English

1. He met the boy in the classroom. 2. He shook hands with the boy in the classroom. 3. He talked with the boy in the classroom. 4. He observed the boy in the classroom. 5. He looked at the boy in the classroom. ................. In each sentence,isn't 'in

asked by rfvv on June 18, 2018
34. ## English

Which statement about the narrator's son is the best example of pathos? A. "The boy had a good appetite, so I didn't have to make him eat." B.He was four, a little brown boy in blue rompers, and when he talked and laughed. . .his voice was soft. . ." C.I

asked by Jennifer on February 6, 2012
35. ## Physics for Life science

A boy climbs up an 8.00m high tree. To come back down, the boy slides down along a rope. The coefficient of friction between the rope and the boy is 0.40. What is the velocity with which the boy reaches ground?

asked by TangenT on June 1, 2010
36. ## science

A boy complains of stomach pain to his mother. Unable to resolve the issue herself, she takes the boy to the doctor. Which of the following might be a good hypothesis for the stomach pain?The boy fell and hurt his stomach. The boy has an infection and

asked by john on November 20, 2015
37. ## English Grammar

Correct these sentences, if necessary! 2) Tommy Boy acted like a child and was treated like a child. 4) Tommy Callahan was a simple guy and nothing seemed to go his way 6)The movie is about Tommy Boy a college graduate that has to run the family business

asked by Gweedo on March 9, 2009
38. ## math

A tree casts a shadow 10 ft long. A boy standing next to the tree casts a shadow 2.5 ft long. The triangle sjown for the tree and its shadow is similar to the triangle shown for the boy and his shadow. If the boy is 5 ft tall, how tall is the tree? I got

asked by keisha on November 24, 2007
39. ## English

In the excerpt from Barrio Boy, why does Miss Hopley have another boy come to her meeting with Ernesto and his mother? Ernesto has gotten into a fight with the other boy. The other boy is Ernesto's older brother. Ernesto and his mother do not speak

asked by Anonymous on December 8, 2014
40. ## English

1. He met the boy here. ------------------------------------ Q1: Does 'the boy' modify 'met' or 'the boy'? Q2: Is 'here' an adverb or an adjective? Q3: Did he meet the boy here for the first time? Or did he meet the boy here whom he knew before?

asked by rfvv on October 1, 2018
41. ## PHYSICS

A Boy Stand At A Certain Distance From A Large Building And Blow A Whitle After 2.3s He Hear It Echo.He Move 50m Toward The Building And Blow He Whitle Again, This Time It Echo Reach Him After 2.0s.Calculate The(1)boy Original Distance From The Building

asked by DIMKA SULEIMAN on July 23, 2018
42. ## physics

you are standing on roof of a building you have one stone and a stopwatch with you.how can you find height of the building

asked by gaurav on May 3, 2013
43. ## Poem Fable for when there's no way out

Could you help me with this poem I read it out loud I don't understand it one bit. Here's the questions. 1. How does the boy hear about the wonder horse? 2. Why does the boy admire the horse? 3. In what season does the boy capture the horse? 4. How does

asked by Crystal on January 25, 2009
44. ## Physics/Calculus

At a county fair, a boy and two friends bring their teddy bears on the giant Ferris wheel. The wheel has a diameter of 14.8 m, the bottom of the wheel is 1.8 m above the ground and its rim is moving at a speed of 1.0 m/s. The boys are seated in positions

asked by Donny on October 14, 2010
45. ## MATH help needed asap

A surveyor, standing 80 ft. from the base of a building, measures the angle of elevation to the top of the building to be 75 degrees. How accurately must the angle be measured for the percentage error in estimating the height of the building to be less

asked by Peter on October 3, 2013
46. ## Math

A surveyor, standing 80 ft. from the base of a building, measures the angle of elevation to the top of the building to be 75 degrees. How accurately must the angle be measured for the percentage error in estimating the height of the building to be less

asked by Cory on October 3, 2013
47. ## physics

Two boys stand on the surface of a frozen lake where μs = 0.15 and μk = 0.10. The 30.0 kg boy shoves the 40.0 kg boy with a horizontal force of 50.0 N, 0.0°. Find the resulting acceleration of each boy.

asked by Mush on November 30, 2014
48. ## English

Just out of curiosity, is it okay to use the phrase "and so" in a sentence? Like "Johnathan knew that he had to help the boy asking a question on Jiskha. And so, he did just that, and the boy went on to being the happiest boy on earth." I just need to know

asked by Stephen on August 21, 2016
49. ## math

a boy walks 50m from the bottom of a building lies down and notes that he has to raise his eyes through 42 degree from the horizontal. what is the height of the building? i am doing tan(42)=x/50 but the answer is supposed to be 45m. how do i get that?

asked by chris on February 3, 2011
50. ## maths triangels

a building having height 25ft cast a shadow 35ft and a person standing on the building of height h and cast a shadow 10 ft wht is the height off man ? please answer me how to solve

asked by jaspreet on January 24, 2015
51. ## Algebra

A 5 ft man cast a shadow of 3 ft standing next to a 22ft building. How far is the man standing from the building?

asked by Tina on October 8, 2012
52. ## Maths

A boy is standing 25 ft away from a street light that is 20 ft tall.How tall is he if his shadow is 5 ft long?

asked by Sharon kiran on January 17, 2017
53. ## Physics

From the edge of the rooftop of a building, a boy throws a stone at an angle 20.0° above the horizontal. The stone hits the ground 4.60 s later, 104 m away from the base of the building. (Ignore air resistance.) What is the maximum height H reached by the

asked by Jerry on September 13, 2012
54. ## physics

A boy on ice skates is atationary on a frozen lake(no friction).He throws a package of mass 5kg at 4m/s horizontally east.the mass of the boy is 60kg.at the instant the package leaves the boy's hand,the boy starts moving. Calculate the magnitude of the

asked by Philisiwe on June 12, 2014
55. ## odds of...

Does anyone know the odds of having Two girls as children as opposed to two males or one male and one female? I say it is 25 percent but my friend says it is 33.3 percent. Can anyone clarify? Thanks! You are correct. Assuming that boy and girls are equally

asked by Lynn on August 8, 2005
56. ## Math

a boy standing 70m away from a flag post observe that the angle of elevation of the top and bottom of a tower on top of the flag post are 57 and 69 degrees respectively. find the height of the tower

asked by Tundr on March 7, 2017
57. ## physics ( help)

Hypothetically, if you were standing on the balcony of an apartment on the 10th level of building and you throw a ball at 30° above the horizontal away from the building at 4.5m/s, how far from the building would the ball land?. The height from which the

asked by H.T on April 25, 2011
58. ## Nutrition

what are the principles of standing height and weight in the nutritional assessment? note: standing height and weight are from the anthropometric measurements i really need some help i couldn't find or understand what it actually wants so please some help.

asked by Lina on September 18, 2013
59. ## Trigonometry

a boy standing 70m away from a flag–post observes that the angles of elevation of the top and bottom of the tower on top the flag–post are 70^ and 69^ respectively. Find the height of the tower

asked by Daniel on October 23, 2017
60. ## English

1. They were standing in a row. 2. They were standing in two rows. 3. They were standing in line. 4. They were standing in a line. 5. They were standing in two lines. Which ones are correct? What is the difference between 'row' and 'line'? Do they have the

asked by John on July 1, 2008
61. ## Physics

At a county fair, a boy and two friends bring their teddy bears on the giant Ferris wheel. The wheel has a diameter of 14.0 m, the bottom of the wheel is 1.9 m above the ground and its rim is moving at a speed of 1.0 m/s. The boys are seated in positions

asked by Gina on October 14, 2010
62. ## Physics

At a county fair, a boy and two friends bring their teddy bears on the giant Ferris wheel. The wheel has a diameter of 14.3 m, the bottom of the wheel is 1.9 m above the ground and its rim is moving at a speed of 1.0 m/s. The boys are seated in positions

asked by Jean on October 27, 2011
63. ## Physics

A 70.0 kg boy compresses a spring by 0.500 m and slides down a frictionless slide. The slide leads into a 30° ramp that has a coefficient of kinetic friction of 0.110 with the boy. If the spring constant in the spring is 52000 N/m and the slide has a

asked by Anonymous on November 23, 2015
64. ## English

1. The boy is in the hospital. 2. The boy is in hospital. 3. The boy is playing in the hospital. 4. The boy is hospitalized for illness. 5. The boy came to the hospital to visit his grandfather. He is playing with his brother near his grandpa. 6. He is at

asked by rfvv on September 6, 2017
65. ## English Grammar

This school building is 37 years old. This is a 37-year-old school building. The boy is 13 years old. He is a 13-year-old boy. The is 170 cm tall. He is a 170 cm-tall boy. ---------------- Is each pair the same and grammatical?

asked by John on April 14, 2008
66. ## English

Thank you very much for your help. Here go some more sentences related to participal construction. 1. He was standing there, and he closed his eyes. (Did he close his eyes later? Or was two actions done at the same time?) 2. He was standing there, closing

asked by rfvv on August 26, 2016
67. ## urgent math

Paul is standing on a 39 m high building. The angle of elevation to the top of a taller building is 47 degrees and the angle of depression to the bottom of the same building is 36 degrees. What is the height of the taller building to the nearest tenth.

asked by Sarah on November 12, 2016
68. ## Math

Once there four boys who wanted to cross a street. They were all on the same side. It was night time and they only had one flashlight between them. Only two boys can cross the street at a time, and anyone who crosses , either one or two people, must always

asked by Susy on December 3, 2014
69. ## Science

A boy carries 100N to 500m. How much work is done

asked by Snehashree.S on November 17, 2016
70. ## trigonometry

A person is standing 21 feet from a building. The angle of elevation between the person and the ground is 59°. Find the height of the building. (Round to the nearest hundredth)

asked by tiffani on October 18, 2012
71. ## English

Both Ernesto from barrio boy and the boy in "A Day's Wait" interact with adults. Ernesto interacts with Miss Ryan, while the sick boy interacts with his father. Compare and contrast how the boys interact with the adults. Focus on how the boys think of the

asked by Holiday break is coming up on December 20, 2018
72. ## Physics

A 43.3 kg boy and a 60.0 kg girl are on the surface of a frozen lake, 10.5 m apart. Using a rope, the boy exerts a horizontal 5.90 N force on the girl, pulling her toward him. Calculate the magnitude of the boy's acceleration.

asked by Megan on January 25, 2011

A 43.3 kg boy and a 60.0 kg girl are on the surface of a frozen lake, 10.5 m apart. Using a rope, the boy exerts a horizontal 5.90 N force on the girl, pulling her toward him. Calculate the magnitude of the boy's acceleration.

asked by Megan on January 25, 2011
74. ## Physics

A boy 12.0 m above the ground in a tree throws a ball for his dog, who is standing right below the tree and starts running the instant the ball is thrown. If the boy throws the ball horizontally at 8.50 m/s, (a) how fast must the dog run to catch the ball

asked by Mona on February 13, 2018
75. ## 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
76. ## physics

an 80 kg boy holding on to a helium balloon jumps off of a 20m tall building and floats to the ground. If the boant force of the balloon is 750 N upward, what is the boy's acceleration and final velocity just before he touches the ground?

asked by zahid on October 4, 2011
77. ## geometry ( trigonometric ratios)

a girl who is standing 92 ft away from a building looks up at a angle of 86 degrees at a bird on the top of a building. What is the height, from the ground, to the bird on the top of the building ?

asked by Nene on April 18, 2013
78. ## physics

a boy standing on the tray of a utility travelling at 5 ms throws aa ball vertically upwads with a velocity of 7.35ms (relative to himself) and catches it again at the same level. what horizontal distance does the ball move while it is in the air

asked by Anonymous on February 13, 2014
79. ## English

1. I will buy Mom a scarf for her birthday. (What is the part of speech of 'for her birthday'? Is it an adjective phrase modifying 'scarf', or is it an adverbial phrase modifying 'buy'? 2. Look at the little boy. (What is a little boy? A young boy or a

asked by John on March 13, 2009
80. ## Physics

A boy sits in a tire that is attached to a rope that passes over a pulley fastened to the ceiling and then passes back down to the boy's hands. The weight of the boy plus the tire is W. The force with which the boy must pull on the free end of the rope to

asked by Phil on January 9, 2010
81. ## Geometry

Christopher wants to determine how far away a helicopter is from where he is standing. He knows the helicopter is sitting on the edge of a roof of an apartment building that is 400 feet high and 1,050 feet from where he is standing.

asked by Priscila on July 3, 2012
82. ## science

What is the acceleration of a boy on a skateboard is the net force on the boy is 14 N the total mass of the boy and a skateboard is 58 kilograms you said no

asked by Anonymous on December 27, 2012
83. ## Science

what is the acceleration of a boy on a skateboard if the unbalanced forward force on the boy is 15 N? The total mass of the boy and the skateboard in 58 kg

asked by Fred on November 4, 2010
84. ## math

a man standing on ground level is 1000 feet away from the base of a 350 feet tall building. Find,to the nearest degree,the measure of the angle of elevation to the top of the building from the point on the ground where the man is standing? How do you solve

asked by b8 on May 27, 2014
85. ## child psychology

Typically when paired with a boy in a laboratory play session, a two year old girl is likely to A. stand idly while the boy explores the toy B.assume domineering behavior, telling him what to do C.actively explore the surroundings D.play cooperatively with

asked by sarah on March 26, 2012
86. ## Science

a 55 kh boy and 40 kg girl usa a rope while engaged in a tug-of-war on an icy frictionless surface. If the girl accelerates towards the boy at 5.1 m/s/s, what is the acceleration of the boy towards the girl. Thank You Did I not set this up for you last

asked by leafprincess on December 30, 2006
87. ## Health

We got a really weird question When a person goes and measured themselves on the medical beam scale, is it possible for them to stand in different places on the scale to weight less or more? (Ex. Standing on one door, left. Or standing on just right foot.

asked by Lilly on August 21, 2014
88. ## math

a boy standing on a vertical cliff 50m high is looking down an angle of depression of 20 degree at a car. how far is the car from the base of the cliff?

asked by natoya on November 6, 2014
89. ## English

Posted by rfvv on Friday, June 10, 2016 at 11:32pm. 1. The building of the new bridge will go ahead as planned. 2. The building of the new bridge will go ahead as it is planned. (Does #1 mean #2? Is 'it is' deleted?) 3. Lee was standing right behind her.

asked by rfvv on June 13, 2016
90. ## engineering

a boy of mass 40kg is sliding down the spiral slide at a constant speed such that his position is measured by theta=(0.7t) rad and z=(-0.5t) m where t is in seconds. How do you find the components of forces Fr, Ftheta and Fz which the slide exerts on the

asked by sarah on November 15, 2008
91. ## Physics

i)A boy of 45kg is 5m above a swimming pool on a spring board. The boy jumps up into the air which is 2m above the spring board before falling into the water. What is the maximum depth the boy can reach in the water if the average resisting force of water

asked by Ami on June 15, 2016
92. ## LA

How is Barrio Boy characteristic of nonfiction and "A Day's Wait" characteristic of fiction? Ernesto in Barrio Boy is a believable character, while the boy in "A Day's Wait" is not believable.

asked by sam on December 8, 2016
93. ## physics

a boy who is 1.5m tall throws a ball into the air the ball attains a height a of 3m above the boy's head and then falls back to the ground the boy's hand was 1.2 m above the ground when he released the ball how long does it take to reach it's maximum

asked by rebecca on October 1, 2006
94. ## applied physics

you are standing on a 100m tall buiding above a street and your friend is standing vertically below the building. When you drop a stone, your friend simultaneously throws the identical stone as yours at a speed of 50m/s in the same straight line. Calculate

asked by jose on March 18, 2012
95. ## Scinece, Physics

A boy is throwing a stone from the top of a building. It takes projectile motion and returns to the ground. How to calculate the height of buiding?

asked by vinayan on September 25, 2012
96. ## Per Calculus

A surveyor is standing 50 feet from the base of a building. The angle of elevation to the top of the building is 60 degrees. Approximately how tall is the building?

asked by Deontre on April 22, 2013
97. ## help with trigonometry??

Jacob is standing 112 m from a building. The angle of elevation when he looks up to the top of the building is 62°. How tall is the building? I don't really understand how to solve this, please help!!

asked by Valerie on January 24, 2017
98. ## physics

a boy tosses a coin upward with a velocity of 14.7 m/s. a. find the maximum height reached by the coin. b. time of flight c. velocity when the coin returns to the hand d. suppose the boy failed to catch the coin and the coin goes to the ground, with what

asked by jenalyn calimag on July 31, 2013
99. ## Physics

A boy and a man carry uniform rod of length l horizontally in such a way that the boy get 1/4of the load.if the boy is at one end of the rod the distance of the fan from the other end is

asked by Anonymous on September 19, 2018
100. ## Physics

In an immersion measurement of a boy’s density, he is found to have an apparent weight of 6.86-N when completely submerged in water with lungs empty. The mass of the boy is 68.0-kg in air. The density of water is 1000-kg/m^3. a)Determine the density of

asked by Meg on October 30, 2017