These are example of foot and leg protection

A person weighing 50 newtons climbs a 2-meter ladder. How many joules of work is done? joules.

How do you write the plural of nucleus?

How much force is needed to produce an acceleration of 20ms^2 in a body of mass 500gm

You want to design a toy puppy that will bark whenever anyone walks past its sensor. Which type of electromagnetic radiation would your design use? A. Ultraviolet radiation B. Visible light C. Gamma rays D. Microwaves

Objects that are closer together have a stronger force of gravity between them. True False

The amount of force needed to keep a 0.1kg basketball moving at a constant speed of 6 m/s on frictionless ice is ___ N

What three forms of kinetic energy can a polyatomic molecule have?

A parachutist bails out and freely falls 50 m. Then the parachute opens, and thereafter she deceler - ates at 2.0 m/s2. She reaches the ground with a speed of 3.0 m/s.

Why the weight of a body decreases with increases in distance from the earth's surface

On a fishing trip Justin rides in a book 12 km south. The fish aren't biting so they go for kilometers west. They then follow a school of fish 1 km north. What distance did they cover? What was their displacement?