Ofuasetito Ofuasetito

04-04-2020
Mathematics

contestada

A girl of mass 25kg climbs up 8 steps
each of height 0.25m, in 20s. calculate
the power of the girl (s = 10ms]

Respuesta :

aayushthapa11100 aayushthapa11100

04-04-2020

Answer:

m=25kg

g=9.8m/(s^2)

h=8×0.25

=2m

t=20s

we have,

p=mgh/t

=25×9.8×2/20

=24.5watts

Answer Link

Otras preguntas

6+ 4/a + b/3 when a=4 and b=3

Solve: 5|x+4|<9. State your answer as an inequality (e.g. A

I will mark you as brainlyiest plz asap 1 How does science use models to gain a better understanding of concepts? 2 What are the two main types of energy? 3 Wha

16a, b, c, and 18a, b, c

Protein a is a chain of 660 amino acids. protein b is a chain of 11 amino acids. how many times as many amino acids does protein a have than protein b?

Assume that the hourly price for the services of tarot card readers has risen and sales of these services have also risen. one can conclude that

The local skydiving team is buying new parachutes. the team's coach has invited all team members to make recommendations, after which he will select the success

which organs are associated with the lymphatic system

Which specialists are the most likely to prescribe a drug for the treatment of a psychological disorder?

Which statement is completely accurate? A. Atoms of the same element can have different number of neutrons B. Atoms of the same element always have th