Other Physics Answers

A wall with a thermal conductivity of 0.50W/m·K is maintained at 40.0°C. The heat transfer through the wall is 250.0W. The wall surface area is 1.50m2 and its thickness is 1.00cm. Determine the temperature at the other surface.

what happens to the (1) resistance and (2) current flow through a conductor if:

b. conductivity increases

c. decrease in temperature

A wall with a thermal conductivity of 0.50W/m·K is maintained at 40.0°C. The heat

transfer through the wall is 250.0W. The wall surface area is 1.50m2 and its thickness is 1.00cm.

Determine the temperature at the other surface.

A force of 250 N exerted at an angle of 30° above the horizontal is needed to keep a 90 kg block moving along a

cement floor. Find the coefficient of kinetic friction.

Alyssa dropped the golf ball from the 5th floor of the hotel and hits the ground for 5 seconds later. How tall is a 5th floor hotel?

Two spherical objects have masses of 7.5 x 10⁸ kg and 6.5 x 10⁸ kg. Their centers are separated by a distance of 2.5 x 10⁶ m.

The resting potential of the crab limb nerve is 89 mV. What is the

concentration of potassium ions inside the nerve, if it is 12mmol/1 outside?

Take the temperature equal to 20°C

The resting potential of the crab limb nerve is 89 mV. What is the

concentration of potassium ions inside the nerve, if it is 12mmol/1 outside?

Take the temperature equal to 20°C

What is the total electric flux through a closed surface containing a 2.0 μC charge?