Juliette (m = 59.0 kg) uses a giant kite to pull herself along a smooth surface. A s she approached a ramp, she gains a speed of 11.3 before letting go of the kite and launching off the skate ramp. Using ENERGY equations calculate how high above the ramp she goes (Hint: use the top of the ramp as h1 = 0 m).

   h = 6.41 m

Explanation:

For this exercise we use the law of conservation of energy

starting point. When it's on the ramp

       Em₀ = K = ½ m v²

final point. When it is at the highest height

       Em_f = U = m g h

We assume that when it is at the highest height it will stop and possibly return to the ramp

as there is no friction, the energy is conserved

           Em₀ = Em_f

           ½ mv² = m g h

            h =

let's calculate

            h = ½ 11.3² / 9.8

            h = 6.41 m

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.

friction

explanation:

they us to move forward and backwards