Which substances are bases? check all that apply.
hcooh

rboh

h2co3

ca(oh)2

nano3

hno3

Aparticle initially moving east with a speed of 20.0 m/s, experiences an acceleration of 3.95 m/s, north for a time of 8.00 s. what was the speed of the particle after this acceleration, in units of m/s? give the answer as a positive number.

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =