8 Answered Questions for the topic Physics 2

Physics 2

08/31/21

#### Imagine an aluminum cup of 0.75 liter capacity filled with mercury at 10.4 degrees C. How much mercury, if any, will spill out of the cup if the temperature is raised to 24.6 degrees C?

The coefficient of volume expansion of mercury is 1.8 E-04/ degree C. Express your answer in cubic centimeters.

05/06/18

#### A large punch bowl holds 3.35 kg of lemonade (which is essentially water) at 20.0° C.

A 0.40-kg ice cube at−10.2°C is placed in the lemonade. What is the final temperature of the system, and the amount of ice (if any) remaining? Ignore any heat exchange with the bowl or the... more

05/02/18

#### A child of mass 20 kg sits at the edge of a merry-go-round of radius 2 m and mass 100 kg...

The merry go round spins freely (w/out friction) at 10 rpm. What is the total angular momentum of the system? Assume that the child is a point mass.

01/21/18

#### Force of the charge

Two charges of 10-6 C are located 1cm apart (a) What is the force on a charge +10-8 halfway between them? (b) What is the force on a charge of -10-8 C at the same place?
Physics 2 Stem

01/14/18

#### Calculate the magnitude of the force acting on the -8 uC due o the other charges

Physics : Electrostatics  Charges of +2, +3 and -8 uC are placed in air at the vertices of an equilateral triangle of side 10cm. Calculate the magnitude of the force acting on the -8 uC due o the... more
Physics 2 Physics B

11/10/17

#### ELECTROSCOPE QUESTION HELP!!!!!

A positively charged object is brought near but not in contact with the top of an uncharged gold leaf electroscope. The experimenter then briefly touches the electroscope with a finger. The finger... more

10/23/17

#### What volume of iron (density 7.87 g/cm3) would be required to balance a 1.00 cm3 sample of lead (density 11.4 g/cm3) on a two-pan laboratory balance?

What volume of iron (density 7.87 g/cm3) would be required to balance a 1.00 cm3 sample of lead (density 11.4 g/cm3) on a two-pan laboratory balance?

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