It takes 50 seconds for Tyler to do 450 Joules of work. How much power did Tyler use?

What is the length x of the side of the triangle below? (hint: use the cosine function)

What is the temperature in degrees celsius of a substance with a tempature of 49k

Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative