Ask a New Question

Question

A child is pushed down a slide from a height of 2.5m with a speed of 7m/s if his mass is 25kg and reaches the ground a speed of 5m/s calculate the coefficient of kinetic friction. Theta = 55 degrees
9 years ago

Answers

Chanz
mu = Ff/Fn
for Ff use energy
mgh + 1/2 mv^2 - Ff(d) = 1/2 mv^2
d is h/sin55
for Fn do a free body
Fn = mg cos55 (I think, check it)

9 years ago

Related Questions

A child slides down a slide with a 28° incline, and at the bottom her speed is precisely three-fifth... A 17 kg child descends a slide 3.5 m high and reaches the bottom with a speed of 1.5 m/s. How much t... A child slides down a slide with a 24 incline, and at the bottom her speed is precisely half what it... On a playground slide, a child has potential energy that decreases by 1000 \rm J while her kinetic e... On a playground slide, a child has potential energy that decreases by 1000 J while her kinetic energ... a child slides down a slide with 26 degrees inclined and at the bottom her speed is 1/4 of what it w... as a child goes down a slide it experiences the effect of what type of friction as a child goes down a slide it experiences the effect of what type of friction Sliding friction?... A child is sliding down a slide at the playground. Is the mechanical energy conserved? Why or why...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use