Recent content by Natali

Homework Statement A box weighing 68 N rests on a table. A rope tied to the box runs vertically upward over a pulley and a weight is hung from the other end.Determine the force that the table exerts on the box when weight hanging on the other side of the pulley is 27N. Homework Equations...

Homework Statement A 7690 kg helicopter accelerates upward at 0.80 m/s2 while lifting a 1260 kg frame at a construction site. (a) What is the lift force exerted by the air on the helicopter rotors? (b) What is the tension in the cable (ignore its mass) that connects the frame to the...

[b]1. problem one 3.1 kg paint bucket is hangin by a massless cord from another 3.1 kg paint bucket, also hanging by a massless cord. if the buckets are at rest, what is the tension in each cord? If the two buckets are pulled upwards with an acceleration of 1.9 m/s^2 by the upper cord...

Homework Statement The pilot of an airplane traveling 160 km/h wants to drop supplies to flood victims isolated on a patch of land 120 m below. The supplies should be dropped how many seconds before the plane is directly overhead? Homework Equations equations of motion The Attempt...