klrocha628
klrocha628
02-07-2021
Physics
contestada
1.8kg 42J 9.8 how high is the shelf
Respuesta :
kushm6652
kushm6652
02-07-2021
Answer:
2.38m
Explanation:
Use potential energy
PE= mgh
42= 1.8*9.8*h
solve for h
to get h= 2.38 m
Answer Link
VER TODAS LAS RESPUESTAS ( 54+ )
Otras preguntas
Which small group format facilitates decision-making by regulating the discussion according to prescribed rules? a. panel discussion b. symposium c. parliame
Which type of rock is formed from the cooling and hardening of molten material? a. igneous b. sedimentary c. metamorphic
Two cities are 210 km apart. A train traveled this distance in 42 3 hours and then made the return trip at a speed of 502 5 km/h. How many times greater (
A cluster analysis of the "toothpaste market" would probably show that: a. most consumers are concerned about cost. b. factors such as taste, price, and "sex
Which of the following is not equal to 0.536 kilometers? 53.6 hectometers (hm) 536 meters (m) 536,000 millimeters (mm) 53,600 centimeters (cm)
The normal result of conception is a single cell that contains _____ pairs of chromosomes. 8 14 23 29
In your own words, describe how "Tintern Abbey" reflects the characteristics of romanticism.
Given that 23°=√k,determine the value of each of the following in terms of k,without using a calculator 1.sin203° 2.cos23° 3.tan(-23°) Please Answer any questio
Of the 8 students in the chess club, three will represent the club at an upcoming competition. How many different 3-person teams can be formed from the 8 studen
Cynthia knows she should not drink alcohol or do drugs, and she has avoided these things her whole life. However, lately, she suspects her brother might be snea
