
Math
A model rocket is launched from a roof of a building. Its path is described by the relationship h=5t*2+35t+10, where h is the height in metres and t is the time in seconds. How tall is the building? What is the maximum height that the rocket will reach?
asked by Lorrie on May 26, 2014 
Math
A model rocket is launched from a roof into a large field. The path the rocket can be modeled by the equation y=0.04x^2+8.3x+4.3 where x is the horizontal distance in meters, from the starting point on the roof and y is the height in meters, of the rocket
asked by Steve on May 25, 2015 
Algebra
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = –0.06x² + 9.6x + 5.4 where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters,
asked by Sandra on April 3, 2014 
Algebra I
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = –0.02x2 + 2.3x + 6, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of
asked by Sandra on January 25, 2015 
Algebra
a model rocket is launched from a roof into a large field the path of the rocket can be modeled by the equation y = 0.06x^2 + 9.6 + 5.4 where x is the horizontal distance in meters from the starting point on the roof and y is the height in meters of the
asked by Alex on April 25, 2019 
Math
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y= 0.06x^2 + 9.6 x + 5.4 where X is the horizontal distance, in meters from the starting point on the roof and y is the height in meters of
asked by Wonder Woman on May 14, 2019 
math
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = 0.06x^2 + 9.6x + 5.4 where x is the horizontal distance, in meters from the starting point on the roof and y is the height in meters of
asked by nisa on March 28, 2014 
Math
a model rocket is launched from roof into a large field the path of the rocket can be modeled by the equation y= 0.02x^2+2.3x+6 where x is the horizontal distance ,in meters,from the starting point on the roof and y is the height in meters,of the rocket
asked by AP on May 27, 2018 
Algebra 1B
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = 0.04x^2 + 8.3x + 4.3, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters,
asked by Abby on December 2, 2016 
Algebra
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = –0.04x2 + 8.3x + 4.3 , where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters,
asked by Cassie on March 11, 2013 
Algebra 1
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y= 0.04x^2+8.3x,where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters of the
asked by Steve on March 27, 2015 
Algebra  help
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = –0.06x² + 9.6x + 5.4 where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters,
asked by Sandra on April 4, 2014 
Math
a model rocket is launched from a roof into a large feild. The path of the rocket can be modeled by the equation y=0.8x^(2)+12x+25.8 where x is the horizontal distance, in meters, from the starting point on the roof and y is the height in meters of the
asked by on April 12, 2017 
Algebra
please check my answers. 2: how is the graph of y=6x^2+4 different from the graph of y=6x^2 A: it is shifted 4 units to the left B: it is shifted 4 units to the right C: it is shifted 4 units up**** D:it is shifted 4 units down 3: A model rocket is
asked by Help me plzz on May 5, 2016 
alebra
please check my answers. 2: how is the graph of y=6x^2+4 different from the graph of y=6x^2 A: it is shifted 4 units to the left B: it is shifted 4 units to the right C: it is shifted 4 units up**** D:it is shifted 4 units down 3: A model rocket is
asked by anonymous on May 5, 2016 
math
A model rocket is launched from the deck in Jim's backyard and the path followed by the rocket can be modeled by the relation h=5t^2 +100t +15, where h, in metres, is the height that the model rocket reaches after t seconds. What is the height of the
asked by r on May 12, 2019 
Algebra
1. Graph the function and identify the domain and range. y=5x^2 oo=infinite A) Domain: (oo, oo) Range: [0, oo) B) Domain: (oo, oo) Range: (oo, 0] C) Domain: (oo, oo) Range: (oo, 0] D) Domain: (oo, oo) Range: [0, oo) 2. How is the graph of y=6x^24
asked by Venus on March 26, 2019 
Algebra 1 B
2. How is the graph of y = 6x^2 + 4 different from the graph y = 6x^2? A. It is shifted 4 units to the left. B. It is shifted 4 unites to the right C. It is shifted 4 units up. *** D.It is shifted 4 units down. 3. A model rocket is launched into a large
asked by Abigail on November 30, 2016 
AlgebraB2
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = 0.04x+ 8.3x + 4.3, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of
asked by Jennifer W. on March 26, 2013 
pre cal
A toy rocket is launched straight up from the roof of a garage with an initial velocity of 56 feet per second. The height h of the rocket in feet, at t seconds after it was launched, is described by h(t)=−16t2+56t+17. Find the maximum height of the
asked by ari on July 12, 2016 
intermediate algebra
A model rocket Is launched from a height of 50ft. The formula h=16t^2+70t +50 describes the rocket's height,h,in feet seconds after it was launched. How long will it take the rocket to reach to reachthe ground?
asked by Nellie on November 16, 2014 
trig
whats the horizontal distance traveled by a model rocket launched with an intitial speed of 120 feet per second when the rocket is launched at an angle of 60 degrees
asked by hanna tret on September 9, 2011 
Physics
A typical model rocket has a mass of 50 g. Similarly, a typical "class C" model rocket engine can produce a total impulse of 10 Newtonseconds. We usually launch model rockets vertically, but if I instead launched this rocket horizontally, how fast would
asked by KK on May 6, 2013 
motion,physics
Model rockets are lightweight rockets powered by very small engines. A typical model rocket has a mass of 5g.Similarly, a typical "class C" model rocket engine can produce a total impulse of 10 Newtonseconds. We usually launch model rockets vertically,
asked by Physics on October 11, 2013 
PHYSICS
Model rockets are lightweight rockets powered by very small engines. A typical model rocket has a mass of 5g.Similarly, a typical "class C" model rocket engine can produce a total impulse of 10 Newtonseconds. We usually launch model rockets vertically,
asked by boss on October 11, 2013 
Math/calculus
a toy rocket is shot into the air at the top of a building so that its height above the ground t seconds after the rocket is launched is given by the formula h(t)= 3t cubed + 6t squared + 27t feet from liftoff until the rocket crashes into the ground.
asked by lola on July 13, 2012 
Intermediate Algebra
A model rocket is launched from a height of 50 feet. the formula: h=16t^2+70t+50 describes the rocket's height,h,in feet t seconds after it was launched. how long will it take the rocket to reach the ground.
asked by nicole on November 19, 2012 
Algebra: Quadratic Functions
A model rocket is launched with an initial velocity of 128 ft/s from a height of 70 ft. The height of the rocket, in feet, t seconds after it has been launched is given by the function s(t)=−16t^2+128t+70. Determine the time which the rocket reaches its
asked by Isiah on March 18, 2014 
Physics
A model rocket has a mass of 0.435 kg. It is mounted vertically and launches directly up with a thrust force of 13.1 N. a) What is the weight of the rocket? b) Determine the net force on the rocket as it is launched. c) What is the acceleration of the
asked by Tom on December 15, 2016 
phyicis
Homer Hickham and his buddies launched model rockets in the late 1950's when the US was trying to get a rocket into space. If homer launches a rocket from rest and its engine delivers a constance acceleration of 8.2 m/s^2 for 5.0seconds after which the
asked by Matt on October 29, 2012 
physics
A model rocket is constructed with a motor that can provide a total impulse of 25.5 N · s. The mass of the rocket is 0.213 kg. What is the speed that this rocket achieves when launched from rest? Neglect the effects of gravity and air resistance.
asked by josh on October 21, 2010 
PHYSICS
A model rocket is constructed with a motor that can provide a total impulse of 25.5 N · s. The mass of the rocket is 0.213 kg. What is the speed that this rocket achieves when launched from rest? Neglect the effects of gravity and air resistance.
asked by ZAC on October 21, 2010 
math
A model rocket is launched off the top of a table. The height of the rocket is given by the function, h(t) =  4.9t2 + 9.5t + 1.2 where h(t) is the height in metres and t is the time in seconds. How long will it take for the rocket to reach the ground?
asked by algebra hard on July 19, 2015 
physics
A stationary rocket is launched vertically upward. After 4s, the rocket's fuel is used up and it is 225.6 m above the ground. At this instant the velocity of the rocket is 112,8 m/s. Then the rocket undergoes free fall. Ignore the effect of the air
asked by clement on March 8, 2014 
Physics
A model rocket is launched from rest with an upward acceleration of 6.30 m/s2 and, due to a strong wind, a horizontal acceleration of 1.50 m/s2. How far is the rocket from the launch pad 5.30 s later when the rocket engine runs out of fuel?
asked by Jeff on September 9, 2015 
Math
A model rocket is launched straight upward with initial velocity of 22 m/s. The height of the rocket, h, in metres, can be modelled by h(t) = 5t^2 + 22t, where t is elapsed time in seconds. What is the maximum height the rocket reaches?
asked by Bilal on January 22, 2014 
physics
A model rocket is launched from rest with an upward acceleration of 5.50 m/s^2 and, due to a strong wind, a horizontal acceleration of 1.50m/s^2 . How far is the rocket from the launch pad 7.20 later when the rocket engine runs out of fuel?
asked by katelin on September 24, 2012 
Physics
A model rocket is launched at 62 degrees above the horizontal with an initial speed of 28m/s. the rocket travels for 4.5s along its initial line of motion with a constant acceleration of 13 m/s^2. At this time, the engine of the rocket stops and the rocket
asked by Bethany on September 21, 2016 
Science
A model rocket is launched straight upward with an initial speed of 30.0 m/s. It accelerates with a constant upward acceleration of 2.50 m/s2 until its engines stop at an altitude of 160 m. A. what is the maximum height reached by the rocket? B. how long
asked by Taylor on September 4, 2010 
algebra
a model rocket is shot straight up from a roof the height at any time t is aproximated by the model h=t(squared) +3t+28,where h is the height in metres and t is the time in seconds . When does the rocket hit the ground?
asked by Rose on March 12, 2013 
Math
A model rocket is shot straight up from the roof of a school. The height at any time t is approximated by the model h=t^2+3t+28, where h is the height in meters and t is the time in seconds. When does the rocket hit the ground?
asked by Jen on January 24, 2012 
Chemistry
A model rocket is launched straight upward with an initial speed of 45.0 m/s. It accelerates with a constant upward acceleration of 1.50 m/s2 until its engines stop at an altitude of 160 m. A. what is the max height reached by the rocket? B. How long after
asked by Lucy on September 10, 2017 
NIC
A model rocket is launched straight up from ground level with a speed of 34.2 m/s. Assuming that the only force acting on the rocket after launch is the force of gravity, a. How fast is the rocket going when it reaches a height of 22.5 m? (3 marks) b. How
asked by DEEP on January 13, 2017 
physic
Q: a model rocket was launched and measurements of its height and horizontal distances from the launched pad were taken as shown in the table horizontal distance from the launch pad/m : 0,1,2,3,4,5,6,7,8,9,10,11. vertical distance from the launch pad/m:
asked by Aya Muhammed on November 7, 2014 
Physics
A model rocket is launched straight upward with an initial speed of 50 m/s. It accelerates with a constant upward acceleration of 2.00 m/s^2 until its engines stop at an altitude of 150 m. a) What is the max. height reached by the rocket? b) When does the
asked by Lindsay on September 30, 2007 
math
A model rocket is launched with an initial velocity of 250 ft/s. The height, h, in feet, of the rocket t seconds after the launch is given by h = −16t2 + 250t. How many seconds after launch will the rocket be 730 ft above the ground? Round to the nearest
asked by sabrina on July 11, 2011 
math
A model rocket is launched with an initial velocity of 160 ft/s. The height, h, in feet, of the rocket t seconds after the launch is given by h = −16t2 + 160t. How many seconds after launch will the rocket be 350 ft above the ground? Round to the nearest
asked by sydney on November 22, 2013 
math
A model rocket is launched with an initial velocity of 250 ft/s. The height, h, in feet, of the rocket t seconds after the launch is given by h = −16t2 + 250t. How many seconds after launch will the rocket be 730 ft above the ground? Round to the nearest
asked by sabrina on July 11, 2011 
Phsyics
A model rocket is launched at an angle of 80 degrees aboce the x axis, with a velocity of 30m/s. How high will the rocket be 5 seconds after launch? ROund your answer to the nearest tenth
asked by Derrick on September 24, 2013 
physics
A model rocket is launched straight upward with an initial speed of 60.0 m/s. It accelerates with a constant upward acceleration of 2.00 m/s2 until its engines stop at an altitude of 130 m. (a) What is the maximum height reached by the rocket? m (b) How
asked by frank on September 6, 2010 
Physics
A model rocket is launched straight upward with an initial speed of 57.0 m/s. It accelerates with a constant upward acceleration of 1.50 m/s2 until its engines stop at an altitude of 190 m. (a) What is the maximum height reached by the rocket? (b) How long
asked by <3 on September 11, 2013 
physics
A model rocket is launched straight upward with an initial speed of 30.0 m/s. It accelerates with a constant upward acceleration of 2.50 m/s2 until its engines stop at an altitude of 170 m. (a) What is the maximum height reached by the rocket? m (b) How
asked by desperate help on January 22, 2012 
Physics
A model rocket is launched upward with an initial speed of 50 m/s. It accelerates with a net constant upward acceleration of 2.0 m/s^2 until its engines stop at an altitude of 150 m. (a) What is the maximum height reached by the rocket? (b) how long after
asked by Mark on September 24, 2010 
physics
A model rocket is launched straight upward with an initial speed of 60.0 m/s. It accelerates with a constant upward acceleration of 2.00 m/s2 until its engines stop at an altitude of 130 m. (a) What is the maximum height reached by the rocket? (b) How long
asked by tommy on September 7, 2010 
Physics
A model rocket is launched straight upward with an initial speed of 46.4 m/s. It accelerates with a constant upward acceleration of 2.18 m/s2 until its engines stop at an altitude of 138 m. What is the maximum height reached by the rocket? How long after
asked by Marty on September 4, 2015 
physics
model rocket is launched straight upward with an initial speed of 50.0 m/s. It accelerates with a constant upward acceleration of 1.00 m/s2 until its engines stop at an altitude of 130 m. (a) What is the maximum height reached by the rocket? m (b) How long
asked by harry on September 8, 2010 
physics
A model rocket is launched straight upward with an initial speed of 30.0 m/s. It accelerates with a constant upward acceleration of 1.50 m/s2 until its engines stop at an altitude of 170 m. (a) What is the maximum height reached by the rocket? (b) How long
asked by ashley on September 15, 2011 
physics
A model rocket is launched straight upward with an initial speed of 50m/s. It acccelerates with a constant upward acceleration of 2m/s^2 until its engines stop at an altitude of 150m. (a)What is the maximum height reached by the rocket? (b)How long after
asked by Anonymous on September 14, 2007 
Physics
A model rocket is launched straight upward with an install speed of 57.6 m/s. it accelerates with a constant upward acceleration of 1.70m/s^2 until its engines stop at an altitude of 240m. A. What is the maximum height reached by the rocket? The
asked by Ashley on September 11, 2013 
Physics
Can someone help me find Delta Time for the first 150 meters of this question. Everytime I try and get it by using the quadratic formula I get two negative numbers which I don't think is right. A model rocket is launched straight upward with an initial
asked by Dustin on September 28, 2007 
maths
A model rocket is launched with an initial velocity of 250 ft per second. The height h, in feet, of the rocket t seconds after the launch is given by h = −16t2 + 250t. How many seconds after the launch will the rocket be 500 ft above the ground? Round to
asked by jatin on October 8, 2016 
Physics
A model rocket is launched straight upward with an initial speed of 58.0 m/s. It accelerates with a constant upward acceleration of 1.50 m/s2 until its engines stop at an altitude of 120 m. (a) What can you say about the motion of the rocket after its
asked by Haroula on February 7, 2012 
Math
A rocket is launched from the top of a 50 foot cliff with an initial velocity of 120 feet per second. The height, h, of the rocket after t seconds is given by the equation h=16t^2 + 120t+ 50. How long after the rocket is launched will it be 10 feet from
asked by Anonymous on April 28, 2016 
science
3.A rocket launched accelerates at 3.5m/s^2 in 5.90 secs and2.98m/s^2 in the next 5.98 secs and then experiences a free fall. What time will the rocket be in air? Assume that the rocket is launched from the ground.
asked by mano on July 6, 2016 
science
A rocket launched accelerates at 3.5m/s^2 in 5.90 secs and2.98m/s^2 in the next 5.98 secs and then experiences a free fall. What time will the rocket be in air? Assume that the rocket is launched from the ground.
asked by Anonymous on September 2, 2013 
Math
A model rocket is shot up from the roof of a school. The height at any time is modeled by the equation, H = 3t² + 12t + 36, where H is the height in metres and t is the time in seconds. a) When does the rocket hit the ground? b) How long does it take for
asked by James on May 7, 2019 
Math
A model rocket is launched straight upward from the side of a 212ft cliff. The initial velocity is 86 ft/sec. The height of the rocket h(t) is given by: h(t)=16t^2+86t+212 where h(t) is measured in feet and t is the time in seconds. Use the quadratic
asked by amy on August 13, 2016 
Physics
A toy rocket is launched upwards from rest. The rocket engine will cause the rocket to accelerate at 25 m/s^2 for 3.0 seconds. a) How fast is the rocket moving aft the end of the 3 seconds? b) What is the maximum height reached by the rocket? c) What is
asked by Sam on October 7, 2010 
physics
A model rocket is launched straight upward with an initial speed of 60.0 m/s. It accelerates with a constant upward acceleration of 2.00 m/s2 until its engines stop at an altitude of 130 m. (a) What is the maximum height reached by the rocket? Your
asked by jim on September 6, 2010 
algebra
a rocket is launched at the top of a building. the height of the rocket (in meters) written in terms of time (seconds) can be modeled by h(t)=4.9t^2+9.8t+73.5. what is the maximum height?
asked by martha on July 17, 2017 
Math
A model rocket is launched vertically upward so that its height (measured in feet) t sec after launch is given by the following. h(t) = 16t2 + 272t + 8 (a) Find the times when the rocket is at a height of 488 ft. t = sec (smaller value) t = sec (larger
asked by Talbert on June 21, 2013 
physics
A)A model rocket is launched straight upward with an initial speed of 47.7 m/s. It accelerates with a constant upward acceleration of 2.02 m/s2 until its engines stop at an altitude of 157 m. What is the maximum height reached by the rocket? B)How long
asked by Justin on January 25, 2014 
physics
A model rocket is launched straight upward with an initial speed of 47.7 m/s. It accelerates with a constant upward acceleration of 2.02 m/s2 until its engines stop at an altitude of 157 m. What is the maximum height reached by the rocket? How long after
asked by cat on January 23, 2014 
physics
A model rocket is launched straight upward with an initial speed of 51.6 m/s. It accelerates with a constant upward acceleration of 1.96 m/s2 until its engines stop at an altitude of 230 m. What is the maximum height reached by the rocket? The acceleration
asked by a on October 12, 2011 
physics
Rockets A and B are fired straight upward from rest. Rocket A is launched first and accelerates at 11.2 m/s2. Rocket B is launched 2.10 s after Rocket A and B accelerates at 14.6 m/s2. Solve for the moment in time when the rockets are separated by 484 m.
asked by Haley on October 17, 2010 
physics
A stuntman plans to run across a roof top and then horizontally off it to a land on the roof of the next building . The roof of the next building is 4.8 m below the first one and 6.2 m away from it . What should be his minimum roof top speed , in m/s , so
asked by DQ on October 12, 2018 
Physics
A model rocket is launched straight upward with an initial speed of 47.8 m/s. It accelerates with a constant upward acceleration of 1.83 m/s2 until its engines stop at an altitude of 163 m. What is the maximum height reached by the rocket?
asked by Wing on September 14, 2011 
physics
A model rocket is launched straight upward with an initial speed of 47.7 m/s. It accelerates with a constant upward acceleration of 2.02 m/s2 until its engines stop at an altitude of 157 m. What is the maximum height reached by the rocket?
asked by sam on January 23, 2014 
physics
A model rocket is launched straight upward with an initial speed of 50.2 m/s. It accelerates with a constant upward acceleration of 2.12 m/s2 until its engines stop at an altitude of 167 m. What is the maximum height reached by the rocket?
asked by NICOLE on August 31, 2012 
physics
A model rocket is launched straight upward with an initial speed of 51.3 m/s. It accelerates with a constant upward acceleration of 1.82 m/s2 until its engines stop at an altitude of 150 m. What is the maximum height reached by the rocket?
asked by Jasmine on September 19, 2013 
Physics
A model rocket is launched vertically upward from the ground. After 4.3s, its fuel is completely burned. Assume uniform acceleration of 3.0 m/s2 while the fuel is burning. What is the velocity of the rocket at the instant that the fuel is completely
asked by Leasha on January 4, 2012 
physics
I really need help with these questions. My teacher doesn't provide me with anything to go on only some formulas and maybe 3 examples. It would be greatly appreciated! 1. Find the speed of a rock which is thrown off the top of a 20 m tall building at 15
asked by #%$ on June 28, 2015 
physics
A model rocket is launched straight upward with an initial speed of 45.6 m/s. It acceler ates with a constant upward acceleration of 2.88 m/s2 until its engines stop at an altitude of 151.6 m. 1. What is the maximum height reached by the rocket?
asked by Anonymous on September 20, 2014 
physics
a rocket is launched from atop a 105foot cliff with an initial velocity of 156 ft/s.The height of the rocket above the ground at time or t is given by h=16tsquared+156t+105. When will the rocket hit the ground after it is launched?
asked by Anonymous on May 24, 2011 
math
Please explain to work this: A rocket is launched from atop a 105foot cliff with an initial velocity of 156ft/s. the height of the rocket above the ground at time t is given by h= 16t^2 + 156t + 105. When will the rocket hit the ground after it is
asked by Mary on April 13, 2012 
algebra
A model rocket is launched upward with an initial velocity of 200 feet per second. The height, in feet, of the rocket t seconds after the launch is given by h = −16t2 + 200t. How many seconds after the launch will the rocket be 380 feet above the ground?
asked by Nate on September 14, 2014 
physics
A model rocket is launched straight upward with an initial speed of 45.4 m/s. It accelerates with a constant upward acceleration of 2.98 m/s 2 until its engines stop at an altitude of 150 m. What is the maximum height reached by the rocket? The
asked by ben on October 3, 2011 
Math
A rocket is launched at t=0 seconds. Its height, in feet, above sealevel, as a function of time,t, is given by h(t)=16t^2+112t+480 When does the rocket hit the ground after it is launched?
asked by Anthony on October 27, 2016 
Math
A rocket is launched at t=0 seconds. It's height, in feet, above sealevel, as a function of time, t, is given by h(t)=16t2+64t+192 When does the rocket hit the ground after it is launched?
asked by Anthony on October 30, 2016 
physics
A stuntman plans to run across a roof top and then horizontally off it to a land on the roof of the next building . The roof of the next building is 4.8 m below the first one and 6.2 m away from it . Can he make the jump if his maximum rooftop speed is 4.5
asked by DQ on October 12, 2018 
algebra 2
A model rocket is launched with an initial upward velocity of 164 / ft s . The rocket's height h (in feet) after t seconds is given by the following. = h − 164 t 16 t 2 Find all values of t for which the rocket's height is 92 feet. Round your answer(s)
asked by sue on May 22, 2018 
algebra
The question I have is to solve the problem. A model rocket is launched from the ground with an initial speed of 50 feet per second. The equation that models its height, h feet, off the ground t seconds after it was fired is h=16ft^2+50t a)How high is the
asked by Ressie on May 21, 2013 
physics
A model rocket is launched straight upward with an initial speed of 51.6 m/s. It acceler ates with a constant upward acceleration of 1.96 m/s2 until its engines stop at an altitude of 230 m. The acceleration of gravity is 9.81m/s^2. When does the rocket
asked by anonymous on October 15, 2011 
Physics
A rocket was launched and it now has an acceleration of 3m pers second squared upwards.the mass of the rocket is 5000kg.calculate the net force acting on the rocket and the upthrust exerted by the exhaust gases on the rocket.
asked by Tshephiso on February 4, 2013 
trigonometry
A carpenter is building a house. He is constructing the roof. The roof has an angle of elevation of 40° from the horizontal. The height he wants to make the roof is 18 feet. How far is it from the bottom edge of the roof to the top of the roof? (Find the
asked by rose on October 18, 2012 
Math
A model rocket is launched with an initial velocity of 212ft/sec. It's height h, in feet, after t seconds is given by the formula h=212t16t^2. After how many seconds will the rocket first reach a height of 592ft?
asked by Pam on October 31, 2013 
Math
A model rocket is launched with an initial velocity of 164ft/sec. It's height h, in feet, after t seconds is given by the formula h=164t16t^2. After how many seconds will the rocket first reach a height of 400ft?
asked by Pam on August 2, 2014 
Quadratics
The path of a bottle rocket being launched into the air and falling back to the ground can be modeled by the equation s=1/2 at^2+v_o t+s_o where s is the height of the object, a is the acceleration, vo is the initial velocity, and so is the initial height.
asked by Lost on March 20, 2019 
Algebra
A model rocket is launched straight upward from the side of a 256ft cliff. The initial velocity is 96 ft/sec. The height of the rocket h(t) is given by: h(t) =16t^2+96t+256 where h(t) is measured in feet and t is the time in seconds. Determine the time
asked by Lia on January 19, 2017 
math
A carpenter is trying to determine how many squares of shingles will be needed for a roofing job. Both sides of the gable roof are the same size, and one side of the roof measures 15′ × 30′. How many squares of shingles would be needed to cover both
asked by doug on December 22, 2018
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