Osef applies an input force of 50 N to a crowbar. The crowbar applies a force of 750 N to the lid of a crate. What is the mechanical advantage of the crowbar?

11. What's the best example of a source of direct current? A. A magnesium oxide paste OB. A zinc shell battery C. An electrolyte D. A dry cell battery

In which state of matter are particles packed tightly together and stay in fixed positions?

Is distance and displacement the same thing

On average 8 bananas make up one pound. The price is four pounds for 5.00. You must buy 25 bananas. What is your cost?

Scientists hypothesize that there are no dinosaurs alive today because A) an ice age froze all of the dinosaurs. B) they were killed when a large meteor hit Earth. C) they could not adapt a new environment to avoid extinction.

Differeniate between thermal energy and heat

The term that describes the time when the sun's are directly over the equator is:

A submarine can detect an approaching enemy submarine using sonar. If a stationary submerged submarine emits a 100kHz tone and receives a tone Doppler shifted by 200Hz, calculate the speed of the enemy submarine if the speed of sound in salt water

The planet Krypton has a mass of 7.6 * 1023 kg and radius of 1.7 * 106 m. What is the acceleration of an object in free fall near the surface of Krypton? The gravitational constant is 6.6726 * 10-11 N · m2 / kg2. Answer in units of m/s 2.

An input force of 50. newtons is applied through a distance of 10. meters to a machine with a mechanical advantage of 3.