Atotal of 54.0 calories of heat are absorbed as 58.3 g of lead is heated from 12.0° c to 42.0° c. what is the specific heat of lead? a) 0.029 cal gram °c b) 0.022 cal gram °c c) 0.017 cal gram °c d) 0.031 cal gram °c

Acar's position in relation to time is plotted on the graph. what is the car's average velocity? a) 5 m/s b) 10 m/s c) 30 m/s d) 50 m/s

Asuppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer.

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