Aconical pendulum is formed by attaching a ball of mass 500 g to a string of length 1.00 m, then allowing the ball to move in a horizontal circle of radius 20.0 cm. (a) find an expression for the tension t in the string. (b) find an expression for the ball's angular speed ? , (c) what is the tension for a 500 g ball swinging in a 20-cm-radius circle at the end of a 10-m-long string (5.00 n)? (d) what is angular speed (in rpm) of a 500 g ball swinging in a 20-cm-radius circle at the end of a 1.0-m-long string (30.2 rpm)? * includes description of the key aspects of the problem and a properly annotated diagram * full algebraic solution included. if necessary, must include diagrams and or graphs to show calculations of important quantities. must have easy to follow steps from beginning to end.

vapour or gas assuming atmospheriv pressure

no sign of dia of fuel cell

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.

prndulum needs thread, weight clock to time swings