What type of friction acts when a snooker ball is moving on a pool table. a) Static friction b)Sliding friction c)Rolling frictiond)None of these

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?

The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.