½h2(g) + ½i2(g) → hi(g), δh = + 26 kj/mole 117 kj/mole + c(s) + 2s(s) → cs2(g) the temperature of the surroundings will:

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?

The velocity of a car traveling in a straight line increases from 0 meters/second to 30meters/second in 8 seconds. what is the average acceleration of the car?