A model train moves 18.3m in 122s. What is the train's average speed?

The amount of work done against friction to slide a box in a straight line across a uniform, horizontal floor depends most on the

What factor account for the change of viscosity in fluid

Consider a guanabana (5.8 kg) falling from its branch. How much kinetic energy (in joules) does it gain during the time needed for it to drop 6.0 m?

To maintain overall physical health and engage in appropriate physical activity (e. g, stamina, strength, flexibility, healthy body composition)

Why do you think nutrition experts recommend that young people eat foods high in calcium?

Oxygen makes up the largest part of living cells at 65%. What is the percentage of the second-most abundant element in living cells?

Shivering to warm up illustrates which characteristic of life? A. adaptation to environment B. homeostasis C. getting energy D. growth

Dante pours hot tea into a mug that is cool to the touch. Which best explains what will happen now?

What type of resource can be regenerated or replenished by biochemicl cycles

How much work is done lifting a 12-m chain that is initially coiled on the ground and has a density 2 kg/m so that its top end is 11 m above the ground? (Assume that acceleration due to gravity is g = 9.8 m/s2.)