If a 79.6 kg dancer stands on one toe, what is the magnitude of pressure exerted on that toe to support his weight?

(Magnitude only! No negative numbers)

*Assume that tip of the dancer's toe has a radius of 0.02 m and has a circular area of contact.

Area of a circle= pi r squared

621082.8 N/sq. m

Explanation:

Pressure = Force/Area

or

Pressure= Weight /πr^2

Pressure= 79.6x 9.8 / 3.14 x (0.02)^2

Pressure= 621082.8

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note: the given question is incomplete.

complete question is given below.

which is an example of kinetic energy?

a. the energy stored in ethanol  

b. a hockey puck sliding across the ice  

c. a compressed spring  

d. a ball sitting at the top of a ramp

solution: the kinetic energy is the energy posses by the virtue of the motion of the object.

in the given options, a, c and d are the example of potential energy because it is the energy posses by the virtue of the rest of the object. but option b has the kinetic energy as the object is in motion.

hence, a hockey puck sliding across the ice   is the apex example of kinetic energy.

so, the option (b) a hockey puck sliding across the ice   is the correct option.