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 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

One of the heaviest rainfalls recorded in Greentown in a 24 hour period was 178.8 centimeters. If the rainfall was constant how many centimeters of rain fell du
Suppose the slope of a line is positive. Describe what happens to the value of x as the value of y increases
Suppose the slope of a line is positive. Describe what happens to the value of x as the value of y increases
-2 (x-7)=-(2x+5) solve for x
Suppose the slope of a line is positive. Describe what happens to the value of x as the value of y increases
9 to the x-5 power=27
Simplify (7-8i)+(-12-4i)
write the ratio 6 ft to 4yd as a fraction in simplest form.
what is 16,700,000,000,000,000 estimated as the product of a single digit and a power of 10
If a=3 and b=5, what is the value of 3a + b to the power of 2?