A rope assumed massless is stretched horizontally between two supports that are 3.44 m apart. When an object of weight 3150 n is hung at the center of the rope, the rope is observed to sag by 35.0 cm. What is the tension on the rope

Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?

What is the measurement of how fast an object moves relative to a reference point?

Which of the following compounds would be primarily ionic? methane, ch4, ammonia nh3, calcium chloride, cacl2, or carbon dioxide, co2