3.- Un proyectil es lanzado verticalmente hacia arriba con una rapidez de 2630km/h. Calcular la rapidez que tendrá cuando haya alcanzado la mitad de su
altura máxima y la posición al cabo de 1,5s.

Ascientific blank must be testable and capable of being proven false?

Blood pressure the total amount of blood the heart pumps in one minute 2. cardiac output the number of times your heart beats in a minute 3. dilate the amount of blood that the heart can pump in a single beat 4. heart rate the force exerted on the walls of the blood vessels by the blood that moves through them 5. stroke volume to widen or get larger in size

Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?