erios07700 erios07700

23-10-2019
Physics

contestada

A hammer is accidentally dropped from a scaffold where a crew is working. It takes the hammer 2.5 s to hit the ground. How high is the scaffold?

Respuesta :

MathPhys MathPhys

23-10-2019

Answer:

30.6 m

Explanation:

Given:

v₀ = 0 m/s

t = 2.5 s

a = 9.8 m/s²

Find: Δy

Δy = v₀ t + ½ at²

Δy = (0 m/s) (2.5 s) + ½ (9.8 m/s²) (2.5 s)²

Δy ≈ 30.6 m

Answer Link

Otras preguntas

who is the only person that can break a tie in the senate

What are the two ideas about the universe did Greek philosophers accept

What is a synonmyn for coat

what is the value of 28/32 in lowest terms? Answers: A.7/9 B.13/16 C.14/16 D.7/8

Choose the absolute value inequality that corresponds to the given compound inequality.–5 < x + 2 < 9

state how substrate size ad ph influence enzyme activity

which fraction is equivalent to 9/13? A. 6/10 B. 2/3 C. 36/52 D. 16/20

What is the volume of a rectangular airway that is 15.0 feet high, 19.0 feet wide, and 169.0 feet long? a. 31,625.0 cubic feet b. 47,125.0 cubic feet c. 48,2

state how substrate size ad ph influence enzyme activity

what is 3/14 divided by 4/7? Answers: A 3/8 B 12/21 C 2 and 2/3 D 3/4