Four students were loading boxes of food collected during a food drive. The force that each student exerted while lifting and the distance each box was lifted are listed in the table.

An 85 kg object is moving at a constant speed of 15 m/s in a circular path, which has a radius of 20 meters. What centripetal force is exerted on the body? A. 42.50 N B. 63.75 N C. 956.25 N D. 765.00 N

How does wire thickness affect the power of the electromagnet?

Which type of graph would be MOST appropriate for a track runner to use, in order to look at how his speed varied during a 440 meter race? A) bar graph B) pie graph C) histogram D) line graph

The mass of your new motorcycle is 250kg. What is the weight on the moon in newtons

If you pick a rock up off the ground, what is the reaction force?

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.)

Which is a correct step in a scientific experiment involving acids and bases?