midnightwhispers midnightwhispers

08-04-2017
Physics

contestada

Jai-Anne who has a mass of 45 kilograms,climbed 3 m up a ladder to rescue her cat from a tree. How much work against gravity did she do?

Respuesta :

duskowl45 duskowl45

09-04-2017

work=force*distance.
Force= (9.8x45) because that's the force of her weight.
Distance is 3 m. (given)

work=(9.6x45)(3)=1323 joules

Answer Link

Otras preguntas

Why is the city Billings such an important city?

determine whether the function y=0.8(2/3)^x represents exponential growth or decay.

An electron in a sodium atom gains enough energy to move from the second shell to the third shell. The sodium atom becomes:(1) a positive ion(2) a negative ion(

How did the Great Depression weaken Western democracies?

Perform the indicated operations and express answers in simplest form.3/x + 2/y - 4/xy

Low air pressure systems are usually associated with A.clear, dry weather B.cloudy, wet weather C.cold, dry weather D.hot, dry weather

Val walks 2 3/5 miles each day. bill runs 10 miles once every 4 day. in 4 days who covers the greater distance

Criticize or defend each of the U.S. actions surrounding World War II listed below: ◦U.S aid to China ◦Lend-Lease Act

is this true or false volcanoes can cause rapid changes in earth's surface

What is a real-life situation that involves roots of monomials?