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

While analyzing a karyotype, geneticists identify a missing chromosome. Which term describes this chromosomal abnormality?aneuploidypolyploidytriploidytetraploi

Among fatal plane crashes that occurred during the past 50 years, 357 were due to pilot error, 60 were due to other human error, 135 were due to weather, 187 we

In a study of 200 students under 25 years old one-fifth have not yet learned to drive. What percentage can drive?

Write a translation rule that maps Point D(7,-3) onto point (2,5w

Diego's goal is to walk more than 70,000 steps this week. The mean number of steps that Diego walked during the first 4 days of the week is 8,019.If the mean nu

the volume V of a fixed amount of a gas varies directly as the temperature T and inversely as the temperature P suppose that V=42 cm^3 when T=84 Kelvin and P=8

please help me asap. this is not a test but a warmup

Twice a number decreased by 2 is 14

The function f(x)= 4x is one to one Find A and B

a hot air balloon decrease its altitude by 3/8 ft each for two seconds what was the total change in altitude