PhysicsGeek PhysicsGeek

04-08-2015
Physics

contestada

A child of weight 250 N climds 1.5 metres up a rope ladder in 5 seconds. Calculate the:
A. work done
B. power of the climb

Respuesta :

04-08-2015

I'm confused. A Physics Geek ought to be able to answer this one easily. / / / work is (force) x (distance) = 250N x 1.5m = 375 joules. / / / Power is (work)/(time) = 375/5 =75 watts.

Answer Link

Otras preguntas

explain the rule of dominance and recessive traits

Plz help question below

In 3 to 5 sentences, describe why ethnic conflict is common in Sub-Saharan Africa.

which of the following will lead to speciation

Determine whether the sequence below is a geometric sequence and, if so, find a formula that describes the sequence. 1, 3, 9, 27, 81, …

4²*4^4? Can someone pls solve it?

Read the following excerpt from The Great Gatsby: "Who is this Gatsby anyhow?" demanded Tom suddenly. "Some big bootlegger?" "Where'd you hear that?" I inquired

what strategies did humans use to obtain food before the end of the last ice age ?

What is the difference between composition and improvisation A. composition is the art of making spontaneously, while improvisations are carefully planned B.imp

Why did Reconstruction include the Thirteenth, Fourteenth, and Fifteenth Amendments?