WhatMemes WhatMemes

22-04-2017
Chemistry

contestada

How much power does it take to lift 250 N,40 m high in 2 seconds

Respuesta :

SamuelS SamuelS

22-04-2017

power = force * distance / time

the force is 250 Newton and time is 2 seconds
distance is 40 meters

power = 250N * 40m / 2s
power = 5000 (Nm/s)

Newton-meter per second is equal to a Watt so

power = 5000W

Answer Link

Otras preguntas

You want to prepare a standard solution of 1 mol-dm³ magnesium chloride. The volume of the volumetric flask is 100 ml. How many grams of crystals do you need?

Point P is rotated 90° about the origin. Its image is (4,-4) (-4,4) (-4,-4) (4,4)

[tex]\s\sqrt{245u^{3} v}[/tex]×[tex]\sqrt{7}[/tex]

What is a college campus CERT is most likely to focus on? A. Campus emergency situations B. Student security C. Community service hours D. Weather-related s

Please help me Please help me Please help me Please help me Please help me

Question 4 Health professional students were asked to complete the sentence "Patients should.....". Here are three of the most common responses given by the stu

find the rate 39 miles in 3 hours

What is 350÷500 I do need help on this one

. El peaje en una carretera cuesta aproximadamente $ 0.04 por milla. Encuentre el costo de una sección de carretera de 43.25 millas.

please someone answer this correct