# Physics

A brick is dropped from a high scaffold.

(a) What is its velocity after 4.5 s?
m/s

(b) How far does the brick fall during this time?

1. 👍 0
2. 👎 0
3. 👁 424
1. A brick falls freely from a high scaffold. What is its velocity after 4.0s?

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Physics

A 3.0 kg brick rests on a perfectly smooth ramp inclined at 34 above the horizontal. The brick is kept from sliding down the plane by an ideal spring that is aligned with the surface and attached to a wall above the brick. The

asked by Anonymous on October 28, 2014
2. ### physics

A ball is dropped from a high building. Using the approximate value of g = 10 m/s2, find the change in velocity between the fourth and seventh second of its flight

asked by Anonymous on February 5, 2012
3. ### calculus

A brick becomes dislodged from the top of a state building (at a height of 1290 feet) and falls to the sidewalk below. (a) Write the position, velocity, and acceleration functions of the brick. s(t) = v(t) = a(t) = (b) How long

asked by Brandi on March 6, 2013

An object on Earth falls with an acceleration of a=9.81 m/s^2. A function exists between the height from which the object falls, the initial velocity of the object and the time the object spends in the air. h(t)= Vt + at^2

asked by Heaven on May 17, 2016
5. ### physics

A brick mason is on a steep roof repairing a chimney and drops a brick. If the brick slides down the roof and leaves the edge of the roof with the velocity v = (1.00 m/s)î − [(6.00 m/s) + (9.80 m/s2)t]ĵ, determine the

asked by Anonymous on August 30, 2018
1. ### AP Physics

A painter is on a scaffold that hangs by two ropes. The scaffold weighs 2500 N, and the painter weighs 800 N. The breaking point of each rope is 2100 N. _____|____________________|_______ 0m 1m 5m. 6m This diagram shows where each

asked by tyger2020 on December 7, 2018
2. ### math

You plan to construct a brick wall measuring 14.5 ft. in length, 5.5 ft. high, and 0.5 ft. in width. If a brick measures 6 in. x 4 in. x 2 in., how many bricks will you need? (Remember to round up.)

asked by Anonymous on January 6, 2015
3. ### Physics

A 3.0-kg brick rests on a perfectly smooth ramp inclined at 34° above the horizontal. The brick is kept from sliding down the plane by an ideal spring that is aligned with the surface and attached to a wall above the brick. The

asked by Anonymous on October 29, 2014
4. ### Physics

A 69.5 kg painter is on a uniform 30.0 kg scaffold supported from above by ropes . There is a 5.0 kg pail of paint to one side, as shown. The scaffold is 6 m long. 1.0 m on both ends and 4 m in the middle. From the left end at 1.0

asked by Nate on November 3, 2010
5. ### physics

A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 210 N and is 2.80 m long. What is the tension in each rope when the 710 N worker stands 1.80 m from one end? smaller and

asked by kaitlyn on December 12, 2010
6. ### physics

a brick of mass 2.0kg is dropped from a rest position 5.0m above the ground what is its velocity at a height of 3.0m above the ground [g=9.8meter per second square

asked by asma on December 3, 2015