A device that makes work easier by changing the size or direction of a force is called what?

A bullet of mass 0.0021 kg initially moving at 497 m/s embeds itself in a large fixed piece of wood and travels 0.65 m before coming to rest. Assume that the acceleration of the bullet is constant. What force is exerted by the wood on the bullet

There is a decrease in power. It can be concluded that there has also been a change in: A) current or voltage. B) resistance or ampers. C) velocity or current. D) work or time.

If a car travels at 93 km/h, what rate is it traveling in km/min?

Item 8 Which term describes when two atoms of the same element have different numbers of neutrons and therefore different atomic masses? isomers isotopes molecules

How much physical activity do children and trens need? A. 50 minutes at least twice a week B. 50 minutes at least five days a week C. 150 minutes a week D 150 minutes at least five days a week

How do you unscramble the science topic atsetlectoicnp

What holds metal ions together?

Describe a situation when you might travel at a high velocity but with lo acceleration

Work occurs when A. an applied force results in movement of an object in the same direction as the applied force B. an object is subjected to balanced forces resulting in movement of the object C.

A 160 kilogram cannon fires a 30 kilogram cannonball with a speed of 45 m/s at an angle of 30 degrees with the horizontal. In what direction and at what speed does the cannon recoil?