How your body is cooled when you perspire

How many electrons is there in the outer shell of nitrogen?

Which situation involves an object that can be considered to be in free fall? A) a bungee jumper just before reaching the bottom of a jump. B) a ball at the top of its motion after being thrown straight up in the air.

Katie rolls a toy car off the end of a table. Which path will the car follow when it leaves the table? A B C D Mark this and return

A bowling ball of mass 4 kg moves in a straight line at 3.93 m/s. How fast must a Ping-Pong ball of mass 2.293 g move in a straight line so that the two balls have the same momentum? Answer in units of m/s

Two children fight over a 200 g stuffed bear. the 25 kg boy pulls to the right with a 15 n force and the 20 kg girl pulls to the left with a 17 n force. ignore all other forces on the bear (such as its weight).

Match the following items. 1. empathy a personal view of a situation; ability to understand the senses 2. perception mental health professional who attended medical school 3. cognition concerned with the treatment of disease 4.

How much time does it take a power drill accelerating at 64.3 rad/s2 to achieve 1500. rotations per minute (rpm) ?

A 210W heater is placed in 2kg of water and switched on for 200 seconds. a. How much energy is needed to raise the temperature of 2kg of water by 10C? b. How much energy does the heater supply?

Name two practical applications of nanotechnology

if the distance of separation begin two objects is doubled, is the gravitational force between the objects increased or decreased? by what factor?