A force that opposes motion between surfaces that are touching

An 8-kilogram bowling ball is rolling in a straight line towards you. if its momentum is 16 kg m/s, how fast is it traveling?

How are the ways in which the pluton and pegmatite minerals form similar?

What is the main basis on which sociologists have classified societies in human history? a) size of community b) type of food c) level of knowledge d) subsistence technology

14 km equals how much meters

To which scientific discipline are the fields of geology, materials, and nutrition best related?

A teacher wants to demonstrate that unheated water can boil at room temperature in a beaker within a bell jar connected to a vac-uum pump. However, the vacuum pump is faulty and can reduce pressures only to 15 kPa.

How many btus of heat energy are needed to raise the temperature of 99.6 lbs of water from 50 °f to 130 °f?

What is a different form of a characteristic, such as brown hair, is called

A book falls of the table and hits the floor. Is work done? Why?

A person of 83 kg is in an elevator. If the elevator is moving at a speed of 5 m/s, what's the person's kinetic energy? Keep 4 significant figures a 1,004 J b 1,038 c 1,280 J d 980 J e 1,435 J