A. Draw a force diagram for the pith ball. b. What is the magnitude of the electric force on the pith ball?

c. What is the sign of the charge on the pith ball? How do you know?

d. If the charge on the ball is 8.64 x 10-7 C, What strength field would be required for this amount of deflection?

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented.b)scientists had not completely finalized their results, which took 30 years.c)cigarettes were cheaply available and media channels were very inefficient.d)cigarette manufacturers were trying hard to bring an alternative into the market

=force × distance a. work b. velocity c. pressure d. momentum

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?