A beaker is filled with a oil with a density of 930 kg/m^3. Attached to the bottom of the beaker is a spring oriented vertically. A 5.0-kg block of wood is attached to the end of the spring, causing the spring to stretch. Wood has a density of 750 kg/m^3. What is the buoyant force on the wood block?

a. 26. 6N
b. 1190N
c. 48.1N
d. 60.8N
e. 18.7N
f. 97.0N

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c. the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors