An object is thrown downward with an initial speed of 10 m/s from a height of 49 m above the ground. At the same instant, a second object is propelled vertically up from ground level with a speed of 29
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Algebra
THe function h(t)=16t^2+v0t+h0 describes the height in feet above the ground h(t) of an object thrown vertically from a height of h0 feet, with an initial velocity of v0 feet per second, if there is no air friction and t is the time in seconds sine the

phy
A blue ball is thrown upward with an initial speed of 20.6 m/s, from a height of 0.8 meters above the ground. 2.5 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 8.2 m/s from a height of 23.7 meters above the

Physics
A red ball is thrown down with an initial speed of 1.3 m/s from a height of 28.0 meters above the ground. Then, 0.6 seconds after the red ball is thrown, a blue ball is thrown upward with an initial speed of 24.7 m/s, from a height of 0.8 meters above the

Physics
An object is thrown vertically and has an upward velocity of 18 m/s when it reaches one fourth of its maximum height above its launch point. What is the initial (launch) speed of the object?

math
An object is thrown or fired straight upwards at an initial speed of v_0 ft⁄s will reach height h feet after t seconds, where h and t are related to the formula h=16t^2+v_0 t Suppose the object is fired straight upwards with an initial speed of

Math
An object is thrown from the top of an 80 foot building with an initial velocity of 64 feet per second. The height (h) of the object after (t) seconds is given by the quadratic equation h=16t+64t+80 .When will the object hit the ground?

math
an object is thrown upward from the top of a 80foot building with a initial velocity of 65 feet per second. The height h of the object after t seconds is given by the equation h=16t2+64t+80. when will the object hit the ground

UTA
An object is thrown downward with an initial speed of 10 m/s from a height of 49 m above the ground. At the same instant, a second object is propelled vertically up from ground level with a speed of 29 m/s . At what height above the ground will the two

physics
An object with a mass of 5 kg is thrown with an initial velocity of 6 m/s. If the object has an initial height of 10 meters above the ground, what is the magnitude of the initial gravitational potential energy of the object? The acceleration due to gravity

Physic!
A blue ball is thrown upward with an initial speed of 23 m/s, from a height of 0.5 meters above the ground. 2.8 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 6.6 m/s from a height of 28.9 meters above the ground.

physics
A rock is thrown downward from an unknown height above the ground with an initial speed of 10m/s. It strikes the ground 3s later. Determine the initial height of the rock above the ground.

physics
a ball is thrown at an initial angle of 37 and initial velocity of 23.0 m/s reaches a maximum height h, as shown in the Figure. With what initial speed must a ball be thrown straight up to reach the same maximum height h?

physics
An object is thrown straight up. At the same instant that the object reaches its maximum height, a second object is dropped from this maximum height. Which object hits the ground first and why? Also, a ball is thrown straight up. If the ball's initial

physics
An object is thrown downward with an initial speed of 15 m/s from a height of 85 m above the ground. At the same instant, a second object is propelled vertically up from ground level with a speed of 29 m/s. At what height above the ground will the two

physics
A blue ball is thrown upward with an initial speed of 21.0 m/s, from a height of 0.8 meters above the ground. 2.6 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 8.3 m/s from a height of 24.6 meters above the

math
An object is thrown or fired straight upwards at an initial speed of v_0 ft⁄s will reach height h feet after t seconds, where h and t are related to the formula h=16t^2v_0 t Suppose the object is fired straight upwards with an initial speed of

physics
An object is dropped from a bridge.A second object is thrown downwards 2.00s later.They both reach the water 35.0m below at the same instant.What is the initial speed of the second object? I will be very grateful if someone could help me out Heres what I

physics
Q: A blue ball is thrown upward with an initial speed of 23 m/s, from a height of 0.5 meters above the ground. 2.8 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 6.6 m/s from a height of 28.9 meters above the

Math Help (URGENT X10)
This is really urgent so please please please help. The height(H) of an object that has been dropped or thrown in the air is given by: H(t)=4.9t^2+vt+h t=time in seconds(s) v=initial velocity in meters per second (m/s) h=initial height in meters(m)

Physics
An object is thrown downward at 35.0 m/s from a great height. What is its velocity after 5.0 s?

Physics
An object is thrown downward with an initial speed of 17 m/s from a height of 96 m above the ground. At the same instant, a second object is propelled vertically up from ground level with a speed of 22 m/s. At what height above the ground will the two

Physics
Q.1 A ball is thrown 233 m upward and then falls back to earth. Neglecting air resistance, how long will it be in the air? The acceleration of gravity is 9.8 m/s2 . Answer in units of s. Q.II An object is thrown downward with an initial speed of 17 m/s

physics
A first object is thrown vertically upward with some initial speed and some initial height above the ground. Simultaneously, a second object is thrown straight down with the same initial speed and same initial height above the ground. Before the second

Physics
A red ball is thrown down with an initial speed of 1.2 m/s from a height of 25 meters above the ground. Then, 0.6 seconds after the red ball is thrown, a blue ball is thrown upward with an initial speed of 22.9 m/s, from a height of 0.8 meters above the

physics
A blue ball is thrown upward with an initial speed of 21.0 m/s, from a height of 0.8 meters above the ground. 2.6 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 8.3 m/s from a height of 24.6 meters above the

Physics
A red ball is thrown down with an initial speed of 1 m/s from a height of 26 meters above the ground. Then, 0.6 seconds after the red ball is thrown, a blue ball is thrown upward with an initial speed of 23.5 m/s, from a height of 1 meters above the

Physics
A blue ball is thrown upward with an initial speed of 20.8 m/s, from a height of 0.6 meters above the ground. 2.5 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 10.4 m/s from a height of 24.6 meters above the

pys
A blue ball is thrown upward with an initial speed of 20.8 m/s, from a height of 0.6 meters above the ground. 2.5 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 10.4 m/s from a height of 24.6 meters above the

Physic
A blue ball is thrown upward with an initial speed of 21.0 m/s, from a height of 0.8 meters above the ground. 2.6 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 8.3 m/s from a height of 24.6 meters above the

physics
A red ball is thrown down with an initial speed of 1.4 m/s from a height of 28 meters above the ground. Then, 0.6 seconds after the red ball is thrown, a blue ball is thrown upward with an initial speed of 24.9 m/s, from a height of 0.9 meters above the

Physics
A rock is thrown downward from an unknown height above the ground with an initial speed of 28 m/s. It strikes the ground 4.4 s later. Determine the initial height of the rock above the ground. The acceleration of gravity is 9.8 m/s 2 . Answer in units of m

Math
The International Space Agency is preparing an experiment to determine the acceleration of gravity on a planet. We know the height of a falling object (s) can be modeled by the equation s=1/2 at^2+v_o t+s_o, where a is the acceleration of gravity, vo is

science
A ball is thrown from a height of 10m with certain initial downward velocity. It hits the ground and loses 50% of its energy during the impact and rises back to the sane height. What was its initial downward velocity of projection?

physics please help
On the surface of a planet an object is thrown vertically upward with an initial speed of 60 m/s. use a conservation of energy approach to determine the object's speed when the object is at a quarter of it's maximum height. (assume the planet has no

calculus 2
An object thrown in the air on a planet in a distant galaxy is at height s(t) = 20t^2 +67t +42 feet at time t seconds after it is thrown. a) From what height was the object thrown? b) With what velocity was the object thrown? c) What is the acceleration

Maths
object thrown upward from an initial height of h0 feet with an initial velocity of v0 (in feet per second) is given by the formula h(t)=−16t^2+v0t+h0 feet where t is the amount of time in seconds after the ball was thrown. Also, the velocity of the

Physics
A ball is thrown directly downward, with an initial speed of 6.10 m/s, from a height of 31.0 m. After what interval does the ball strike the ground?

physics
A ball is thrown directly downward, with an initial speed of 11m/s, from a height of 56m. After what time interval does the ball strike the ground?

physics
An object is thrown downward with an initial speed of 5 m/s from a height of 78 m above the ground. At the same instant, a second object is propelled vertically from ground level with a speed of 50 m/s. The acceleration of gravity is 9.8 m/s2. At what

Algebra
If an object is thrown downward with an initial velocity of v0, then the distance it travels is given by s=4.9t sqrt 2 +v v0t. An object is thrown downward from an airplane 100 m from the ground, with an initial velocity of 6 m/sec. How long does

physics
A blue ball is thrown upward with an initial speed of 24.1 m/s, from a height of 0.6 meters above the ground. 2.9 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 8.5 m/s from a height of 31.8 meters above the

Physics
A blue ball is thrown upward with an initial speed of 19.6 m/s, from a height of 0.5 meters above the ground. 2.4 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 7.9 m/s from a height of 22.1 meters above the

physicssssss
A blue ball is thrown upward with an initial speed of 20.6 m/s, from a height of 0.8 meters above the ground. 2.5 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 8.2 m/s from a height of 23.7 meters above the

physics
A blue ball is thrown upward with an initial speed of 20.6 m/s, from a height of 0.8 meters above the ground. 2.5 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 8.2 m/s from a height of 23.7 meters above the

Physics
A red ball is thrown down with an initial speed of 1 m/s from a height of 27 meters above the ground. Then, 0.6 seconds after the red ball is thrown, a blue ball is thrown upward with an initial speed of 24.5 m/s, from a height of 0.7 meters above the

college
A blue ball is thrown upward with an initial speed of 19.8 m/s, from a height of 0.5 meters above the ground. 2.4 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 7.9 m/s from a height of 22.5 meters above the

physics
A blue ball is thrown upward with an initial speed of 22.8 m/s, from a height of 0.8 meters above the ground. 2.8 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 10.9 m/s from a height of 29.3 meters above the

Physics
An object is thrown upwards at an initial speed of 19.6m/s from a height of 55m. How long will it take for the object to reach the ground.(from the time it was thrown)

physics
A red ball is thrown down with an initial speed of 1.2 m/s from a height of 25.0 meters above the ground. Then, 0.6 seconds after the red ball is thrown, a blue ball is thrown upward with an initial speed of 22.9 m/s, from a height of 0.8 meters above the

physics
a body is thrown downward with an initial speed of 20.0 m/s on earth. what is the acceleration of the object

physics
Three identical balls are thrown from a cliff of height, h, above a horizontal plane. One ball is thrown at an angle of 45 degrees above the horizon, the second is thrown horizontally, and the third is thrown at an angle of 30 degrees below the horizon

physics
Three identical balls are thrown from a cliff of height, h, above a horizontal plane. One ball is thrown at an angle of 45 degrees above the horizon, the second is thrown horizontally, and the third is thrown at an angle of 30 degrees below the horizon

Algebra 2
If an object is thrown vertically upward with an initial velocity of v, from an original position of s, the height h at any time t is given by: h=16t^2+vt+s(where h and s are in ft, t is in seconds and v is in ft/sec) A package is thrown downward with an

PAKISTAN
Q23. Object is thrown vertically upwards and has a speed of 18 m/s when it reaches onefourth of its maximum height h above its launch point. Label the relevant points and answer the following; a) Determine the maximum height h. b) What is the initial

physics
A ball is thrown straight downward from the surface of the moon. Is the maximum height it reaches less than, equal to, or greater than the maximum height reached by a ball thrown upwards on the earth with the same initial speed? Ignore air resistance in

Math
The height(H) of an object that has been dropped or thrown in the air is given by: H(t)=4.9t^2+vt+h t=time in seconds(s) v=initial velocity in meters per second (m/s) h=initial height in meters(m) H=height h=initial height I didn't make this clear on the

physics, how to find the height
On the surface of a planet an object is thrown vertically upward with an initial speed of 60 m/s. use a conservation of energy approach to determine the object's speed when the object is at a quarter of it's maximum height. (assume the planet has no

Physics
An object is thrown upwards from a height of 50.0m at an initial speed of 19.6m/s. Determine how long will it take for the object to reach the ground.

physics
An object is thrown upwards and after 2 seconds is 78 m above where it was initially thrown. Assume no air resistance, and determine the initial speed the object was thrown at.

physics
A red ball is thrown down with an initial speed of 1.0 m/s from a height of 27.0 meters above the ground. Then, 0.6 seconds after the red ball is thrown, a blue ball is thrown upward with an initial speed of 24.5 m/s, from a height of 0.7 meters above the

physics
A plane is flying horizontally at a height of 500 m and a constant speed of 429 km/h when an object is projected vertically downward at an initial speed of 35.0 m/s. If air resistance is neglected, the average vertical component of velocity between the

physics
A ball is thrown directly downward with an initial speed of 7.00 m/s, from a height of 30.4 m. After what time interval does it strike the ground?

physics
A ball is thrown directly downward with an initial speed of 8.95 m/s, from a height of 29.0 m. After what time interval does it strike the ground?

Math
In physics, one learns that the height of an object thrown upward from an initial height of h0 feet with an initial velocity of v0 (in feet per second) is given by the formula h(t)=−16t^2+v0t+h0 feet where t is the amount of time in seconds after the

Physics
A 2.83kg object is thrown vertically upward from the surface of Mars, where the acceleration due to gravity is g1 = 3.71 m/s2. The initial velocity is v1, and the object reaches a maximum height of y1. What is the maximum height, y2, if the object is

Physics
A 4.03kg object is thrown vertically upward from the surface of Earth, where the acceleration due to gravity is g1 = 9.81 m/s2. The initial velocity is v1, and the object reaches a maximum height of y1. What is the maximum height, y2, if the object is

physics
A 2kg rock is thrown downward from a height of 3 meters with an initial velocity of 4 m/s. Just before it hits the ground its speed is _____.

Physics
An object is thrown upwards at an initial speed of 19.6 m/s from a height of 65m. Determine how long will take for the object to reach the ground (time of flight). what formula should i use?

math
using this information: if an object is thrown straight up into the air from the height H feet per second then at time tseconds the height of the object is 16.1t^2 +Vt+ H feet. This formula uses only gravitational force, ignoring air friction. It is valid

math. can someone explain this!
using this information: if an object is thrown straight up into the air from the height H feet per second then at time tseconds the height of the object is 16.1t^2 +Vt+ H feet. This formula uses only gravitational force, ignoring air friction. It is valid

math
using this information: if an object is thrown straight up into the air from the height H feet per second then at time tseconds the height of the object is 16.1t^2 +Vt+ H feet. This formula uses only gravitational force, ignoring air friction. It is valid

Physics
A 4.51kg object is thrown vertically upward from the surface of Earth, where the acceleration due to gravity is g1 = 9.81 m/s2. The initial velocity is v1, and the object reaches a maximum height of y1. What is the maximum height, y2, if the object is

Math
The height(h) of an object that has been dropped or thrown in the air is given by: h(t)=4.9t^2+vt+h t=time in seconds(s) v=initial velocity in meters per second (m/s) h=initial height in meters(m) A ball is thrown vertically upwardd from the top of the

physics
A ball is thrown directly downward with an initial speed of 8.95 m/s, from a height of 29.0 m. After what time interval does it strike the ground? answer in (in seconds)

Johnson
A man throws an object down an elevator shaft towards a downward moving elevator, which is 22m below the man when he throws the object with an initial speed of 6.50 m/s. how long after the object is thrown does it hit the target if the elevator is moving

physics
An object is thrown vertically up and attains an upward velocity of 10 m/s when it reaches one fourth of its maximum height above its launch point. What was the initial speed of the object? The acceleration of gravity is 9.8 m/s2. Answer in units of m/s

science
A rock is thrown vertically upward with an initial speed of 100 ft/s. At the same instant another rock is thrown vertically downward from the top of a 280 ft cliff with an initial speed of 40 ft/s. Neglecting air friction,

Physics
An object is thrown vertically and has an upward velocity of 5 m/s when it reaches three fourths of its maximum height above its launch point. What is the initial (launch) speed of the object?

Physics
An object is thrown vertically and has an upward velocity of 5 m/s when it reaches three fourths of its maximum height above its launch point. What is the initial (launch) speed of the object?

Physics
A ball is thrown directly downward with an initial speed of 7.00 m/s, from a height of 36.00 m. How long does it take the ball to strike the ground?

Physics
A ball is thrown directly downward, with an initial speed of 6.10 m/s, from a height of 31.0 m. After what interval does the ball strike the ground?

physics
A ball is thrown downward, with an initial speed of 8.09 m/s, from a height of 30.1 m. After what time interval does the ball strike the ground?

Physics 1
At t = 0, a stone is dropped from a cliff above a lake; 1.3 seconds later another stone is thrown downward from the same point with an initial speed of 33 m/s. Both stones hit the water at the same instant. Find the height of the cliff. No idea how to get

physics
A ball is thrown directly downward with an initial speed of 3.08 m/s from a height of 14.6 m. After what interval does the ball strike the ground? The acceleration of gravity is 9.8 m/s 2

Physics
A ball is thrown horizontally from a height of 16.01 m and hits the ground with a speed that is 5.0 times its initial speed. What was the initial speed? This question really boggles my brain. I have no idea how to solve this, given only the height. Could

physics
A 80 kg object slides at a 20 degree plane downward at 5m/s. An object 2 collides with object 1 by falling from 7 meter height and they stick together. Final speed of objects? I know the speeds would be the same. Would momentum equation work to solve this?

physics
ll is thrown vertically upward with an initial speed of 16 m/s. Then, 0.65 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 27 m/s. How far above the release point will the ball and stone pass each

physics
ll is thrown vertically upward with an initial speed of 16 m/s. Then, 0.65 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 27 m/s. How far above the release point will the ball and stone pass each

Physics
A ball is thrown directly downward, with an initial speed of 7.40 m/s, from a height of 31.0 m. After what time interval does the ball strike the ground? I thought it would be 31 m / 7.40 = 4.18 seconds, but it's the wrong answer.

physics
object a does a freefall motion from an 80m building and object b thrown upward from the base at the same time. they collide after 2s. find the initial velocity of object b. height is 80 m.

Algebra
An object is thrown downward with an initial velocity of 4 feet per second. The relationship between the distance s it travels and time t is given by s = 4t + 16t2. How long does it take the object to fall 72 feet?

physics
A marble is thrown vertically downward at an initial velocity 200cm/s hits the floor in 2.5 seconds ,At what height is the marble thrown?

MATH
h=16t2+80t+96 Use this position polynomial to calculate the following: 1.The height of the object after 2 seconds 2.The height of the object after 4 seconds 3.How long the object will take to reach the ground? 4.Write the position function for an object

Algebra
THe function h(t)=16t^2+v0t+h0 describes the height in feet above the ground h(t) of an object thrown vertically from a height of h0 feet, with an initial velocity of v0 feet per second, if there is no air friction and t is the time in seconds sine the

Physics
A ball is thrown vertically upward with an initial speed of 11 m/s . Then, 0.67 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 25 m/s . How far above the release point will the ball and stone pass

physics
A ball is thrown vertically upward with an initial speed of 25 m/s. Then, 1.8 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 32.1 m/s . How far above the release point will the ball and stone pass

Math
The acceleration of an object g = 9.8 m/s^2. From the top of a building of 245 m., an object is thrown upwards at an initial velocity of 12m/s (a) What is the function for the velocity of the object? I put vf^2 = Vi^2 + 2a(yfyi) vf^2 = 216.09 + 19.6 (yf

Algebra
An object is fired vertically upward with an initial speed of 68.6 meters/second. After t seconds, the height is shown by y = 49 t^2 + 68.6 t meters. Given that this object has an initial speed of 68.6 m/s, what is the maximum height it will reach?

MATH
An object is fired vertically upward with an initial speed of 68.6 meters per second. After t seconds, the height is shown by y = 4.9t^ + 68.6 t meters. Given that this object has an initial speed of 68.6 m/s, what is the maximum height it will reach?

Algebra
I am reposting to correct a mistake. I forgot to add a decimal point. An object is fired vertically upward with an initial speed of 68.6 meters/second. After t seconds, the height is shown by y = 4.9 t^2 + 68.6 t meters. Given that this object has an