Acar of mass 998 kilograms moving in the positive y–axis at a speed of 20 meters/second collides on ice with another car of mass 1,200 kilograms moving in the negative x direction with a speed of 17 meters/second. after the collision, the cars stick and move together. what is the total momentum in the x direction before the collision?

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.

The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.