A farmhand pushes a bale of hay 3.9 m across the floor of a barn. she exerts a force of 88 n at an angle of 25∘ below the horizontal. a how much work has she done?

Vesna Vulovic survived the longest fall on record without a parachute when her plane exploded and she fell 6 miles, 551 yards. What is this distance in meters?

Identify the statement that correctly represents how light travels. Light can travel in a vacuum, and the speed at which it travels decreases if the source is moving away.

During an experiment, a toy car accelerates forward for a total time of 5s. Which procedures could a student use to determine the average net force exerted on the car during the 5s that the car accelerates?

A flattened combination of matter containing stars, gas, and dust in spiral galaxy can be identified as 1 galaxy 2 disk 3 elliptical galaxy 4 gravitation

The standard international unit of measurement S I for mass is the what

During summer vacation, Juan traveled a total distance of 400 miles. His trip took 8 hours. What was the average speed during his trip?

Where Pabs is absolute pressurePg, is gauge pressure, and Patm is atmospheric pressure. For example, if your tire gauge reads 34 lb/incz (pounds per square inch), then the absolute pressure is ...

The tip of a triangle is held 12.0 cm above the surface of a flat pool of water. A submerged swimmer in the pool sees the tip of the triangle at what distance above the water? Let the indices of refraction nwater = 1.33 and nair = 1.00.

What is a lever used for?

What did the romans build as a step toward environment management