Which one of the following situations is not possible?
(a) a particle having zero velocity and non-zero acceleration
(b) a particle having velocity in +ve x direction and acceleration along – ve x-direction.
(c) a particle having velocity in +ve x direction and acceleration along -ve z-direction.
(d) a particle having a constant speed and constant acceleration.

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

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.

Of is j/kg·k. if a 2.6 kg of isk to k,is ?