A horse tows a barge in a canal by means of a rope that makes an angle of 15 degrees with the direction of motion of the barge. The tension in the rope is 120 N. How much work is done in moving the barge 1000 m?

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

While you are driving in the lane next to the curb on a multi-lane road the car on your left suddenly moves toward you lane. they are about toy crash into your front fender. you

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.