An advertisement uses a movie star holding a bottle of perfume. This ad is an example of which of the following?

A. an appeal of association.

B. an appeal to reason.

C. an appeal to economics.

D. an appeal to patriotism.

Give an example of an elastic and an inelastic collision:; State whether or not momentum and kinetic energy are conserved in each case.

What's the net force acting on an 18-kg object if an acceleration of 3.0 m/s2 is produced?

Feeling slightly uncomfortable during exercise A. is completely normal and is to be expected. B. means that you're completely out of shape. C. can indicate that there's a problem with your heart.

A squeeze bottle squeezes when pressed. It regains its shape when pressed. It regains its shape when pressure from your hand withdrawn.

What do kepplers laws describe? A. The forces between any two objects B. The effects of gravity C. The shape of an orbit D. The effect of mass on gravity

A rod made from insulating material carries a net charge, while a copper sphere is neutral. The rod and the sphere do not touch. Is it possible for the rod and the sphere to (a) attract one another and (b) repel one another? Explain.

Which of the following best explains why mutations cannot cause evolution?

We often use a spoon to cool coffee by stirring. Some of the heat is conducted from the coffee to the air by this method, but the spoon itself will cool the coffee a little.

An electric current can be generated by moving a wire coil in a magnetic

Where is your diaphragm located? A. below your rib cage B. underneath your trachea C. above your lungs D. behind your heart