A weightlifter lifts a 130-kg barbell a distance of 1.3 m. What is the work she does on
the barbell?

What is the mass of the same rock on the earth

Consider the following position function. find (a) the velocity and the speed of the object and (b) the acceleration of the object. bold r left parenthesis t right parenthesisr(t)equals=left angle 6 t superscript 4 baseline comma 2 t cubed right angle6t4,2t3 for tgreater than or equals≥0

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery