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April 20, 2014

Search: Physics - maximum height of the projectile motion

Number of results: 122,176

physics
5. A truck is travelling at a constant velocity of 16.7 m/s. A pumpkin is shot vertically (at a 90o angle to the ground)at a velocity of 120. m/s from the bed of a this pickup truck. The bed of the pickup truck is one meter high (from the ground). Complete the following ...
Tuesday, December 7, 2010 at 6:08pm by Alex

physics
kinetic energy at the start (1/2) m v^2 = potential energy at maximum height, m g h. m cancels h = L (1 - cos of max angle )
Sunday, September 19, 2010 at 2:30pm by Damon

Physics
A stone is thrown directly upwards with an initial speed of 34.5 m/s . What is the maximum height the stone will reach?
Saturday, January 29, 2011 at 11:04pm by Demi

Physics Gr.11
Frank stands at the base of a building. He throws a 0.12kg rock straight up at a speed of 28m/s so that it rises to a maximum height of 12m above the top of the building and then falls straight down on the roof of the building. a) What is the height of the building? b) What is...
Sunday, April 18, 2010 at 7:17pm by NINI

Math
11. A rocket is fired upward from some initial height above the ground. Its height h in feet above the ground t seconds after it is fired is given by h = -16t2 + 48t +448. (i) What is its initial height? __________ ft. (ii) What is its maximum height? ___________ ft. (iii) How...
Monday, October 3, 2011 at 11:16pm by Alyson

physics--HELP
a giant robot tosses a ball up, from a height of 80 meters, with an initial velocity of Vo = 60 m/s, use 10 m/s^2 as the acceleration due to gravity. what will be the minimum velocity of the ball and when and where will that occur? [i don't know how you would find that.] what ...
Tuesday, October 9, 2007 at 11:00pm by jel

Physics
From d = V^2sin(2µ)/g where d = the horizontal distance traveled in meters(ignoring air friction), V = the initial velocity in m/s, µ = the angle of the velocity to the horizontal and g = the acceleration due to gravity = 9.8m/sec^2, it is clear that the maximum distance ...
Wednesday, April 2, 2008 at 9:44am by tchrwill

physics.
A 20.0 kg cannon ball is fired from a cannnon with muzzle speed of 1000 m/s at an angle of 37.0 with the horizontal. A second ball is fired at an angle of 90.0. Use the conservation of energy principle to find a] the maximum height reached by each ball and b] the total ...
Thursday, March 15, 2007 at 5:38am by Jean

math
If a ball is thrown directly upward with a velocity of 80ft/s, its height (in feet) after t seconds is given by y=80t-16t^2. What is the maximum height attained by the ball?
Saturday, December 15, 2007 at 2:08pm by lucy

math
If a ball is thrown vertically upward from the roof of 32 foot building with a velocity of 80 ft/sec, its height after t seconds is s(t)=32+80t–16t2. What is the maximum height the ball reaches? What is the velocity of the ball when it hits the ground (height 0)? for max...
Friday, August 20, 2010 at 6:54pm by Jin

Calculus
A rectangular beam is cut from a cylindrical log of radius 30 cm. The strength of a beam of width w and height h is proportional to wh^2. Find the width and height of the beam of maximum strength. Is the width 45 and the height 20.
Sunday, October 26, 2008 at 1:37pm by George

physics
The maximum height achieved is proportional to the initial kinetic energy, which is proportional to V^2. What do you have to do to V in order to increase V^2 by a factor of 4?
Wednesday, September 8, 2010 at 11:00am by drwls

physics
A ball is thown at 20m/s at an angle of 30 degrees from the horizontal level. What maximum height can the ball reach?
Sunday, April 24, 2011 at 9:16pm by David

Physics
An 8g bullet leaves a gun at 700ms-1. (a) what is the maximum height that this bullet could reach (ignoring air resistance)
Friday, September 21, 2012 at 8:26pm by Ellie

Physics
An 8g bullet leaves a gun at 700ms-1. (a) what is the maximum height that this bullet could reach (ignoring air resistance)
Friday, September 21, 2012 at 8:28pm by Ellie

physics
Use the Bernoulli equation to get the velocity of the water leaving the hole. There is 0.19 m of water above the hole. The water pressure there is (rho)*g*h above ambient pressure, which is 1000 kg/m^3*9.81m/s^2*0.19 = 1864 N (rho is the density of water) The water flows ...
Thursday, January 14, 2010 at 11:03pm by drwls

calculus
If a ball is thrown vertically upward from the roof of 64 foot building with a velocity of 64 ft/sec, its height after t seconds is s(t)=64+64t–16t2 . What is the maximum height the ball reaches? What is the velocity of the ball when it hits the ground (height 0 )?
Friday, October 16, 2009 at 1:14am by michael

algebra
suppose that the height of an object shot straight up is given by h=544t -16t^2. h= feet and t= seconds Find the maximum height and the time at which the object hits the ground
Wednesday, March 24, 2010 at 8:11pm by cheryl

Physics
display.cgi?id=1225682948 I'm still confused about how you got the (1/8)kx^2 and how to find the weight's maximum height at the top of its path through the air.
Monday, November 3, 2008 at 8:25am by Bertrand

Physics
A sled is initially given a shove up a frictionless 24.0° incline. It reaches a maximum vertical height 1.10 m higher than where it started. What was its initial speed?
Wednesday, March 3, 2010 at 5:43pm by Luricela

Physics
A sled is initially given a shove up a frictionless 24.0° incline. It reaches a maximum vertical height 1.10 m higher than where it started. What was its initial speed?
Wednesday, March 3, 2010 at 6:57pm by Luricela

Physics
A ball was thrown with a velocity of 150 ft/ s at angle of 45 degrees above the horizontal. a)Find the range and the time of flight. b)What is the maximum height reached?
Saturday, October 9, 2010 at 3:11am by lee

physics
A ball is thrown upward.What is its maximum height? Its initial vertical speed is 11.5 m/s and the acceleration of gravity is 9.8 m/s2 . Neglect air resistance. Answer in units of m
Sunday, October 16, 2011 at 6:40pm by asdfghjkl

Physics
A projectile is fired in such a way that its horizontal range is equal to 2.6 times its maximum height, what is the angle of projection? I know a similar question was asked, but I didn't understand the solution.
Tuesday, February 7, 2012 at 12:50am by Buster

Physics
A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 3.20 s for the ball to reach its maximum height.
Friday, September 21, 2012 at 6:51pm by Kelly

physics
A ball of mass 8 kg is thrown vertically upward from the ground , with an initially velocity of 25 m/s. Determine the maximum height to which it will travel if atmospheric resistance is neglected.
Tuesday, July 30, 2013 at 12:49pm by SPD

physics
Help please ! been stuck on this for hours. A model rocket blasts off and moves upward with an acceleration of 13m/s^2 until it reaches a height of 25m , at which point its engine shuts off and it continues its flight in free fall. 1) What is the maximum height attained by the...
Tuesday, October 1, 2013 at 5:56pm by Melissa

Physics
Since the horizontal component of his speed stays the same (31.3 m/s in this case), the vertical component (which is zero at maximum height) must initially be sqrt(33.0^2 - 31.3^2) = 10.46 m/s. The time spent going up is T = (10.46 m/s)/g = 1.07 s The height that it reaches is...
Wednesday, October 13, 2010 at 1:57am by drwls

physics
Yes, that is the answer. Plug in and get the number. It represents the difference between maximum and minimum potential energy, and that equals the maximum kinetic energy, since at maximum P.E. (top of swing), the K.E is zero.
Sunday, August 15, 2010 at 9:36am by drwls

math
Assuming this is a calculus question and not a graphical one, you need to solve a simple differential equation in d: h = 2d - (d^2)/5, so dh/dd = 2 - 2d/5 = 0 at the maximum, so d=5. But at d=5, h= 2*5 - (5^2)/5 = 10 - 5 = 5. So the maximum height is 5 feet. Not very high, is ...
Sunday, May 1, 2011 at 3:22pm by David

physics
A 3.00 kg ball is thrown vertically into the air with an initial velocity of 15.0 m/s. The maximum height of the ball is
Thursday, September 2, 2010 at 6:19pm by Anonymous

Physics
A children’s roller coaster is released from the top of a track. If its maximum speed at ground level is 8 m/s, find the height it was released from.
Sunday, February 27, 2011 at 6:17pm by Lesley

Physics
A boy throws a stone with an initial velocity of 14.6 m/s and it returns to his hand in 3 seconds. What maximum height does the stone reach?
Friday, November 30, 2012 at 12:31am by Anonymous

Calculus Optimization
A model space shuttle is propelled into the air and is described by the equation y=-x^2/2e + ex (in 1000 ft), where y is its height above the ground. What is the maximum height that the shuttle reaches?
Tuesday, January 18, 2011 at 6:18pm by jennifer

physics 203
a projectile is thrown with initial speed v0=25.0m/2 at an initial angle with the horizontal ANGLE=45 degrees. a. find the time when the projectile is at the maximum height. b. find the position(x,y) at the maximum height. c. at time T, find the components of the acceleration ...
Friday, February 22, 2013 at 5:20pm by ash

college physics
A 3.00 kg ball is thrown vertically into the air with an initial velocity of 15.0 m/s. The maximum height of the ball is
Thursday, September 2, 2010 at 6:19pm by Anonymous

Physics
How high will a body rise that is projected vertically upward with a speed of 100ft/s? How long will it take for the body to reach its maximum height?
Monday, January 31, 2011 at 1:22am by Art

physics
At maximum height, the vertical velcoty has decreased to zero (before it reverses sign). Therefore g*t = Vmax You already know t. Solve for Vmax
Thursday, March 3, 2011 at 11:44am by drwls

physics
a ball leaves the club of a golfer at a speed of 33m/s at an angle of 37 with respect to the horizontal. what is its speed when it reach its maximum height?
Sunday, May 29, 2011 at 10:43am by anda

Physics
2. A body fired vertically up reaches a maximum height of 120 m. The location at which the kinetic energy is 75% of the potential energy is...
Thursday, June 14, 2012 at 1:12pm by Jay

physics
Bob shoots an arrow straight up into the air at 78.5 m/s. 1)What is the maximum height of the arrows flight? 2)How long is it in the air?
Monday, October 1, 2012 at 4:33pm by kadeem

Physics
a ball is given a velocity of 3.89 m/s at an angle of 32 degrees. Calculate the maximum height and the range of the ball after 5.0s.
Sunday, January 12, 2014 at 9:38pm by Sam

physics
A football is kicked with an initial speed of 18 m/s at an angle of 36 degrees above the horizontal. (a) What is the maximum height that it reaches? (b) At what time does it land? (c) How far horizontally does it travel?
Thursday, February 3, 2011 at 1:26pm by Ashley

Physics Honors
The same rock is thrown upwards at an angle of 45 degrees. It travels 10 meters up to its maximum height. How far will it travel before it lands?
Sunday, October 23, 2011 at 9:11pm by Allison

physics
A ball of mass 1kg is thrown upwards and reaches a maximum height of 4m.Calculate the work done by the force of gravity during vertical displacement.Take g=10m/s
Sunday, October 30, 2011 at 3:08am by Anonymous

Physics
a) sqrt(2 g H), where H = 40 m. b) g*H per unit mass c) zero. It temporarily stops moving at maximum height (if aimed straight up) You don't need the liter/minute rate
Sunday, August 26, 2012 at 12:48am by drwls

physics
A football kicker can give the ball an initial speed of v_0 = 27.4 m/s. In order to score a field goal, the ball must go over the cross bar that is at a height of h = 3.44 m above the ground. If the kicker kicks the ball from a point d = 42.2 m from the goalposts, find the ...
Saturday, March 1, 2014 at 5:32pm by Ada

math
a baseball is hit with an initial velocity of 75 feet per second from the height of 3 feet. The function h(t)=-16t squared + 75t + 3 models the path of the baseball where t represents the time in seconds that the ball has been traveling and h represents the height of the ball ...
Wednesday, March 14, 2012 at 10:15pm by fee

optimization
A model space shuttle is propelled into the air and is described by the equation y= (-x2/2e) +ex (in 1000 ft), where y is its height in feet above the ground. What is the maximum height that the shuttle reaches?
Thursday, January 13, 2011 at 9:29pm by james

physics
A baseball is tossed at a steep angle into the air and makes a smooth parabolic path. Its time in the air is t and it reaches a maximum height h. Assume that air resistance is negligible. a.) Show that the height reached by the ball is gt2 (square) /8. b.) If the ball is in ...
Friday, March 30, 2012 at 12:09am by liz

Physics
A 44 kg skier starts from rest at a height of H = 18 m above the end of the ski-jump ramp. As the skier leaves the ramp, his velocity makes an angle of 28° with the horizontal. Neglect the effects of air resistance and assume the ramp is frictionless. (a) What is the maximum ...
Wednesday, February 27, 2013 at 9:07pm by Rachel

Phy
A 2.0 kg ball is placed against a spring of force constant 750N/m, which has been compressed 0.28m. The spring is released and the ball moves along a horizontal frictionless surface and up a ramp. Calculate the... a) maximum elastic potential energy of the spring (could it be ...
Monday, January 14, 2013 at 6:45pm by Shanelle

Math
the height of a rocket above the ground is modelled by the quadratic function h(t)=-4t^2+32t a) how long will the rocket be in the air ? how do you know? b) what is the maximum height that the rocket will reach ?
Thursday, October 13, 2011 at 4:49pm by Melissa

pre-cal
The initial velocity is in the y-direction. A) It's height above ground is y = x0 + v0*t - 1/2*g*t^2 where y is its height, x0 is its initial position, v0 is it's initial speed in the y direction, g is the acceleration due to gravity and t is time. Plugging in the values from ...
Wednesday, October 24, 2012 at 10:08am by Jennifer

physics
The car can intercept the balloon when the baloon is either on the way up or on the way down. You are interersted in the latter case, which gives the maximum distance of the car when thrown. The time it takes for the balloon to return to the same height that it was released is...
Thursday, May 17, 2012 at 6:39pm by drwls

Physics
Can someone please tell me the right answer to this problem. A troll on a 75m tall cliff throws a 35 m/s boulder at 35 degrees above the horizontal at a herd of sheep. What is the time of flight, the range and the maximum height for the boulder? I got the range as 58.77. and ...
Thursday, December 11, 2008 at 4:43pm by Susan

physics
Two parallel narrow slits are at a distance of 0.840 mm apart. Each of them has a width of 0.140 mm. The double slit is illuminated with parallel light of wavelength 546.1 nm. (a) Find the ratio of the intensity of the central maximum to that of its adjacent maximum. (1 : 0....
Wednesday, May 8, 2013 at 9:02pm by mattheaus

physics
Two parallel narrow slits are at a distance of 0.840 mm apart. Each of them has a width of 0.140 mm. The double slit is illuminated with parallel light of wavelength 546.1 nm. (a) Find the ratio of the intensity of the central maximum to that of its adjacent maximum. (1 : 0....
Wednesday, May 8, 2013 at 10:29pm by mattheaus

physics
1. A basketball player passes the ball to his teammate at an angle of 40degrees above the horizontal. The ball is released 1.5m above the floor at a speed of 5m/s. Find: a) the maximum height reached by the ball from the floor b) the horizontal required to reach the maximum ...
Wednesday, December 7, 2011 at 12:33pm by bella

physics
A ball is launched from the ground at a 45 degree angle above the horizontal (which we take to be the x-axis). It rises to a maximum height, falls back down to the ground and bounces. After the bounce its velocity again makes a 45◦ angle to the horizontal x-axis, but the...
Monday, September 27, 2010 at 9:31am by Anonymous

Physics
A projectile is fired up into the air at a speed of 164 m/s at an angle of 37° relative to the horizontal. Ignore air drag. A.) Determine the MAXIMUM HEIGHT (above where it was thrown) the projectile will reach. m B.) Determine how LONG the projectile will be in the air. ...
Thursday, September 6, 2012 at 3:14pm by Cindy

Physics
A toy rocket is launched with vi=15 m/s at 50° above the horizontal. Fina the horizontal displacement, maximum height, and time of flight.
Thursday, October 8, 2009 at 12:08am by Anonymous

physics
a soccer player kicks a stationary ball giving it a speed of 20m/s at an angle of 15degrees to the horizontal. what is the maximum height reached by the ball?
Friday, October 15, 2010 at 9:12pm by ruby

Physics
Asuuming the landing ramp is at the same elevation at the takeoff ramp, Range = (V^2)/g * sin 60 = 38.2 m maximum height = (V sin30)^2/(2 g) = V^2/8g = 4.1 m.
Saturday, December 18, 2010 at 7:11pm by drwls

physics
a ball is kicked with an initial speed of m/s at an angleof 32.5 above horizontal on the soccer field.determine the maximum height reached by the ball
Thursday, April 26, 2012 at 4:02am by Anonymous

Physics
a projectile is fired with an initial speed of 53 m/s. Find the angle of projection such that the maximum height of the projectile is equal to its horizontal range
Sunday, September 23, 2012 at 9:19pm by Amanda and Travis

Physics
A ball is thrown straight up in the air at an initial speed of 30 m/s. Using conservation of energy, find the maximum height of the ball.
Tuesday, November 20, 2012 at 11:19am by Joey

Calculus Optimization
A model space shuttle is propelled into the air and is described by the equation y=(-x2/2e)+ex in 1000 ft, where y is its height in feet above the ground. What is the maximum height that the shuttle reaches?
Tuesday, January 18, 2011 at 5:05pm by jennifer

Math
A volleyball is his upward by a player in a game. The height h (in fee) of the volleyball after t seconds is given by the function h=-16t^2+30t+6. What is the maximum height of the volleyball? explain your reasoning.
Wednesday, November 17, 2010 at 9:05pm by Billy

physics
You are the stunt director for a testosterone-laden action movie. A car drives up a ramp inclined at 10.0° above the horizontal, reaching a speed of 40.0 m/s at the end. It will jump a canyon that is 101 meters wide. The lip of the takeoff ramp is 201 meters above the floor of...
Wednesday, February 27, 2013 at 10:16pm by Anonymous

physics
A foam cube bounces to a height of 15cm when dropped from a height of 100cm. To what height will it bounce if dropped from a height of 2.5cm? How do
Monday, September 6, 2010 at 5:23pm by joe

Physics
A golfer is enjoying a day out on the links. What maximum height will a 345m drive reach if it is launched at an angle of 21 degrees to the ground? the acceleration due to gravity is 9.81m/s^2
Monday, October 24, 2011 at 9:58pm by Truong

Physics
Find the instantaneous velocity of a pendulum at the instant when its bob is at the height equal to half of its maximum height h=(h_max/2) above teh equilibrium point. Assume the max velocity of the bob during each oscillation is v_max= 2m/s. Wouldn't PE=KE mgh=1/2mv^2 gh=1/2v...
Wednesday, February 6, 2008 at 5:37pm by Andrea

physics
(a) The vertical rise H can be determined by requiring that the vertical portion of the kinetic energy, (1/2)M*(V sin 63)^2, be converted to potential energy M g H. H = (1/2)(V sin63)^2/g Add H to the initial platform height, 1.5 m, for the highest point elevation above ground...
Friday, October 8, 2010 at 9:28am by drwls

Physics
Passenger height = 2.5m + vt = 2.5m + (2.2m/s)t Camera height = (11.6m/s)t + (1/2)(-g)t^2 The camera reaches the passenger when Passenger height = Camera height solve t for equal height, then plug t into either equation for the height. You will find 2 answers for equal height...
Tuesday, September 16, 2008 at 10:26pm by Quidditch

Science
A golf ball is hit at ground level. The ball is observed to reach its maximum height above ground level 2.2 s after being hit. 1.3 s after reaching this maximum height, the ball is observed to barely clear a fence that is 780 ft from where it was hit. The acceleration of ...
Wednesday, October 26, 2011 at 9:03pm by Jahn

Math 10
Hello, Is there easiest and simplest way to do this question? "A baseball is thrown from the top of a building and falls to the ground below. The height of the baseball above the ground is approximated by the relation h = -5t2 + 10t + 15, where h is the height above the ground...
Sunday, April 13, 2014 at 6:31pm by Serena

Physics
For instance: Assume that the second projectile is launched such that it has the same maximum altitude as the first. We make use of the two equations for height and distance of projectiles: h = Vo^2(sin(a)^2)/2g and d = Vo^2(sin(2b))/g where h = the maximum height reached – ...
Thursday, September 22, 2011 at 9:39pm by tchrwill

Physics
From the edge of the rooftop of a building, a boy throws a stone at an angle 24.0° above the horizontal. The stone hits the ground 4.40 s later, 104 m away from the base of the building. (Ignore air resistance.) Find the initial velocity of the stone. What's the magnitude and ...
Monday, February 8, 2010 at 7:35pm by Max

physics
Please help me to solve this problem. A body is projected vertically upwards with a velocity 20m/s. find the maximum height reached by the body.(g=10m/sec2)
Monday, March 9, 2009 at 11:37pm by ramesh reddy

physics
At what projection angle will the range of a projectile equal to 6 times its maximum height? Just need answer, i have done all of the work and want to check my answer
Wednesday, December 2, 2009 at 8:07pm by carol

physics
two balls of different masses are thrown vertically upward with same initial velocity .calculate the ratio of ratio of maximum height attained by them
Tuesday, May 22, 2012 at 2:27am by monica

physics
An 10g bullet leaves a gun at 800 m/s. What is the maximum distance that the bullet could reach? What is the height it reaches when the angle above the horizontal is 45 degrees
Tuesday, September 25, 2012 at 1:16am by Anonymous

physics
A stone is thrown from a 45.1 m cliff with a speed of 5.71 m/s at an angle of 49.5 ˇ to the horizontal. (a) What maximum height above the release point does the stone reach?
Thursday, December 5, 2013 at 9:50pm by Anonymous

Physics
An arrow is shot from the top of a building (height of 30 meters). The arrow travels 100 meters in the horizontal direction from the base of the building to the point where it hits the ground in 4 seconds. Find the angle of release, actual velocity at release, and maximum ...
Monday, February 22, 2010 at 8:07pm by Brad

Physics
A boy kicks a rock off a cliff with a speed of 19.4 m/s at an angle of 52.5° above the horizontal. The rock hits the ground 5.41 s after it was kicked. a) How high is the cliff? (I found the height to be 60.3 m) b) What is the speed of the rock right before it hits the ground...
Saturday, February 5, 2011 at 3:47pm by Anonymous

physics
three more questions: 1) A 1.50kg projectile is launched at 18.0m/s from level ground. The launch angle is 26 degrees above the horizontal. (Assume negligible friction) a) What is the maximum height reached by this projectile? b) How was will the projectile be travelling when ...
Thursday, February 17, 2011 at 8:34pm by stacy

Physics
A 10kg particle undergoes simple harmonic motion with an amplitude of 2.0mm, a maximum acceleration of 8.0x10^3 m/s^2, and an unknown phase constant (phi) What are: a.) the period of the motion b.) the maximum speed of the particle c.) total mechanical energy of the oscillator...
Tuesday, November 30, 2010 at 4:25pm by Greg

physics
The total time in the air is twice the time it takes for the ball to decelerate to 0 m/s (at the mazximum height). That time equals 2Vo/g, where Vo is the initial velocity. That would be 20.4 seconds. The maximum height reached would be 1020 m. A human cannot throw a ball that...
Saturday, June 25, 2011 at 10:39am by drwls

Physics (2nd question)
Apparently you have already answered question 1. If not, see the "related Question" below. Question 2: If the ball starts at a height of Ho = 44 m, if loses the available kinetic energy until it reaches the maximum height Hmax g*Ho + Vo^2/2 = g*Hmax (Hmax-Ho)= Vo^2/(2g) = 45.9...
Sunday, August 26, 2012 at 12:36am by drwls

physics
From the edge of the rooftop of a building, a boy throws a stone at an angle 30.0° above the horizontal. The stone hits the ground 4.10 s later, 112 m away from the base of the building. (Ignore air resistance.) (a) Find the initial velocity of the stone. magnitude _____ ...
Sunday, February 14, 2010 at 11:02pm by jenn

physics
A simple pendulum is made from a bob of mass 0.04 kg suspended on alight string of length 1.4m. Keeping the string taut, the pendulum is pulled to one side until it has gained a height of 0.1m. calculate: a. The total energy of the oscillation (b) the amplitude of the ...
Monday, January 16, 2012 at 6:53am by Nuwaya

physics, please help me, this question is hard
a. Vf^2 = Vi^2 + 2*a*d solve for Vi given Vf = 0 (speed at max height is 0), a = -9.81 m/s^2 and d = 3m. b. Once you know Vi, you can use Vf = a*t + Vi and solve for t. (once again, Vf = 0 since you're only considering the path of the ball from the top of the building to ...
Thursday, July 5, 2012 at 2:58pm by Chip

math
The path of a cliff diver can be modeled by a parabolic curve. The regression equation matching one particular dive is h(t)= -4.9^2+4.6x+24.8 h is height t is time in seconds at what point in meters did the diver reach maximum height?
Wednesday, October 2, 2013 at 11:09pm by sam

physics
A ball is thrown vertically upwards, from ground level, with an initial speed vo. Assume that air resistance is negligible so that the acceleration of the ball is due solely to gravity. a) Derive an algebraic formula for the time t that it takes for the ball to reach its ...
Wednesday, September 1, 2010 at 3:52pm by Ashleyy

Physics
The direction (25 degrees north of east) is useless information. You can ignore it. If it is in the air 3.0 seconds,it takes 1.5 seconds to rise to maximum height. The vertical velocity component is g*1.5s = 14.7 m/s To compute how far the arrow goes, you need to know the ...
Thursday, January 13, 2011 at 11:22pm by drwls

math!
A cylinder is inscribed in a right circular cone of height 8 and radius (at the base) equal to 5. What are the radius and height of such a cylinder which has maximum volume?
Sunday, November 4, 2007 at 12:18pm by Anonymous

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?
Wednesday, January 22, 2014 at 9:15pm by Bilal

Calculus
A cylinder is inscribed in a right circular cone of height 8 and radius (at the base) equal to 2. What are the dimensions of such a cylinder which has maximum volume? Radius? Height?
Monday, June 22, 2009 at 12:58am by Z32

Math
A cylinder is inscribed in a right circular cone of height 8 and radius (at the base) equal to 2.5. What are the dimensions of such a cylinder which has maximum volume? What is the radius, and height?
Wednesday, July 20, 2011 at 8:22pm by mike

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