A 20N force pulls to the right and friction pulls 5N.

If the mass is 5kg, find the acceleration

Whaf current runs through a 6.0 ohm fan when hooked into a 120 v socket

Why is the charge on a charged sphere distributed uniformly over its surface?

Find the final position of a train that begins at an initial position of 34km and that is displaced 589 km from its initial position.

An electron is accelerated through a potential difference of 3.1 kV and directed into a region between two parallel plates separated by 17 mm with a potential difference of 100 V between them.

Besides the force due to gravity or g, what else determines the period of a pendulum?

What wave-like property of light causes it to bend when encountering an opening? A. Reflection B. all the above c. Refraction d. none of the above e. diffraction

Which of the following statements describe sliding friction? Select all that apply. 1.) a force that causes an object to increase speed 2.) a force in which one of the objects involved must be a liquid or a gas 3.

What do a broken rode and a volcano eruption have in common

What is the input of energy for a device that provides 50 units of useful energy and has an efficiency of 0.55?

All of the following shows density and buoyancy except: A. ice cubes floating in a glass of iced tea B. the amount of hot soup contained in a bowl C. a hot air balloon moving through the air D. a boulder resting at the bottom of the ocean