A 150 g baseball is thrown with a speed of 20 m/s. After the ball hits the bat, the ball moves 40 m/s. What is the momentum before it hits the bat?
What is the momentum after it hits the bat?

In a laboratory, nakisha mixes sodium hydroxide solution with an indicator called phenolphthalein. when combined, they create a pink solution. nakisha wonders if mixing other solutions with phenolphthalein will also create this pink color. how could she use the scientific inquiry process to explore it further?

Acharge of 8.4x10^-4 c moves at an angle of 35 degrees to a magnetic field that has a field strength of 6.7x10^-3 t. if the magnetic force is 3.5 x10 ^-2 n, how fast is the charge moving?

What determines the amount of inertia an object has