yunusarokeeb yunusarokeeb

06-03-2021
Biology

contestada

a 70kg man ascend a flight of stairs of height 4meter in 7secs calculate the power expanded by the man

Respuesta :

shdjjdjdjsjdjdjddjd shdjjdjdjsjdjdjddjd

06-03-2021

Since mass is given and time is given and height is also given then g will be 10m/s. M=70kg, h=4m, t=7s. From p=fXs=mgh/t. P=70X10X4/7. P=2800/7=400N. P=400N

Answer Link

Otras preguntas

PLS THIS IS DUE IN 2 MINUTES Which has more momentum, a 0.5kg toy car moving a 5 m/s or a 1000kg real car that is parked?

I need help on this question

[ 2 ( 7 . 25 ) + 2 ( 24 )] - 10

Hemoglobin is a protein found in vertebrate blood. Human and chimpanzees have the same sequence of amino acids in their hemoglobin. Humans and monkeys have 96%

The math department is putting together an order for new calculators. The students are asked what model and color they prefer. Which statement about the student

#11 Please answer the question

On the planet Seltaeb, there is a rare recessive condition known as Hofner Bassis (BB) in the Blue Meanies, a race whose genomes are identical to that of humans

how does nepotism affect an individual?

A) Which kingdoms include organisms that have a nucleus? B) Which kingdoms include organisms that can make their own food?

Who is Nichola tesla. Did he make the tesla car? Because the health inspector will come anytime now! >:D. My question exactly who is Nichola tesla?