# Algebra

posted by Katiana

A construction worker drops a hammer from a height of 25 m.

How long will it take the hammer to hit the ground?

Use the formula h(t)=−4.9t62+vot+ho , where vo is the initial velocity and ho is the initial height.

Round to the nearest tenth of a second.

1. Steve

so, solve

25-4.9t^2 = 0

2. kate

what happens when u merge two fruit companie togerher worksheet

3. Jack

4. Max

For anyone stuck on the question the answer is 2.3 seconds.

## Similar Questions

1. ### Physics

"A workman sitting on top of a roof of a house drops his hammer. The roof is smooth and slopes at an angle of 30.0 degrees to the horizon. It is 32m long and its lowest point is 32m from the ground. How far from the house's wall is …
2. ### math

a contruction worker drops a hammer from a height of 50 feet. after how many seconds will the hammer land on the ground?
3. ### MATH

The time (t, in seconds) for a free-falling object to fall d feet is described by the mathematical formula: t=d over the square root of 16 If a worker accidentally drops a hammer from a building and it hit the ground 4 seconds later, …
4. ### 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?
5. ### physics

A technician at the top of a 200m tall radio tower drops her hammer. how much time does it take for the hammer to strike the ground?
6. ### calculus

When a hammer thrower spins, the hammer generates a circle with a radius of 5 feet. When thrown, the hammer hits a screen that is 50 feet from the center of the throwing area. Let coordinate axes be introduced. If the hammer is released …
7. ### physics

When a hammer strikes a nail, it is compressed along its length. Suppose that a steel nail 10.00 cm long and 3.00 mm in diameter is compressed an average of 65.0 µm by a 0.460 kg hammer during a 1.20 ms collision. (a) What average …
8. ### Algebra

A worker drops a hammer from a second story roof that is 10m above the ground. Choose the appropriate formula to use where t represents time in seconds after the hammer is dropped. h(t) = -16t2 +v0 (Initial Velocity) + h0 (Initial …
9. ### Physics

A construction worker tosses a hammer straight up to a co-worker who is working on a platform above him. The hammer leaves his hand at 7.26 m/sec, and travels 3.33 meters upward, at which point it is caught by the worker on the platform. …
10. ### College Physics

1. A construction worker tosses a hammer straight up to a co-worker who is working on a platform above him. The hammer leaves his hand at 7.26 m/sec, and travels 3.33 meters upward, at which point it is caught by the worker on the …

More Similar Questions