A car is traveling at a velocity of 22 m/s when the driver puts on the brakes to decelerate it at 1.4 m/s? over a distance of 110 m. What is the car's
velocity at the end of this distance?

At what time will the interfering waves have an amplitudeof zero?

Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?

Examine the drawing of a molecule. each ring represents an atom of nitrogen (n). what’s the chemical formula of this substance?