Potential energy that exist in bent pole used for pole vaulting would be kinetic energy.
Potential energy that exists in a bent pole used for pole vaulting would be energy F10
QUESTION 1
In pole vaulting, a jumper achieves great height by converting
their kinetic energy of running in to gravitational potential
energy. The pole plays an intermediary role in this process.
Suppose that a jumper runs at a speed of 9.1 m s-1, use a simple
model to estimate how far the jumper's centre of mass will rise.
(For reference only, a new world record was set in early 2014 of
6.16 m.)
QUESTION 2
A hoist system (see figure...
65 kg , 1.74 m tall Yelena holds the women's pole-vaulting record of 5.06m Estimate the amount of internal energy that she converts into mechanical energy during the vault if before takeoff she is running at a speed of 8.2 m/s. Assume internal energy of pole is neglible.
Concept Check Potential energy is defined as A energy that potentially exists in a system of objects. B. energy that results from the motion of a system of objects. of objects. objects that exert forces on one another C. energy that results from the relative motion of a system D. the energy stored in the configuration of a system of
In the high jump, the kinetic energy of an athlete is transformed into gravitational potential energy without the aid of a pole. With what minimum speed must the athlete leave the ground in order to lift his center of mass 2.00 m and cross the bar with a speed of 0.71 m/s?
What kind of energy is a type of potential energy? Chemical Heat Kinetic Electrical If the sidewalk and cart dent one another too much, they accelerate toward one another. True False Consider the earth spinning from west to east on its axis. It is slowing down in its rotation due to friction with the air. Using the right hand rule, in what direction is the frictional torque? S pole to N pole N pole to S pole Counterclockwise along the...
In the high jump, the kinetic energy of an athlete is transformed into gravitational potential energy without the aid of a pole. With what minimum speed must the athlete leave the ground in order to lift his center of mass 2.10m and cross the bar with a speed of 0.50 m/s?
The electric potential energy stored in the capacitor of a defibrillator is 63 , and the capacitance is 114 what is the potential difference that exists across the capacitor plates?
Nanotechnology
1. A simple function that is frequently used to describe the potential energy of rare gas dimers (such as Ar.) is the Lennard-Jones potential uc)-4-(09-) where U is the potential energy, r is the distance between the two atoms and the two parameters, ε and o depend on which atoms are involved. What is the distance r... at which the potential energy is smallest (the "bond length")? You should give an expression that only contains the parameter of the...
2) Sketch the graphs of elastic potential energy, kinetic energy, and mechanical energy that you would expect if a sheet of cardboard was attached horizontally to the bottom of the mass hanger, so that air resistance was non-negligible. Where does the energy go?
The electric potential energy stored in the capacitor of a defibrillator is 70 3, and the t capacitance is 135 uF. What is the potential difference that exists across the capacitor plates? Additional Materials D Section 19 5