A cellphone receives its energy from a 3.4 V lithium ion battery. The current used when operating the cellphone is 0.01 A. How many joules of energy does the battery deliver to the cellphone each second.

The Sun exerts a gravitational force of 29.9 N on a rock that's located in a river bed here on Earth. How much gravitational force does the rock exert on the Sun? State your answer with the correct mks units.

In terms of impulse and conservation of momentum, explain why a glass is much more likely to break if it falls onto a cement floor than if it falls on to a carpeted floor.

An object is constrained by a cord to move in a circular path of radius 0.5 m on a horizontal frictionless surface. The cord will break if its tension exceeds 16 N. The maximum kinetic energy the object can have is:

The S. I unit of force

What molecules are involved in nuclear fission? And what does it create

Tsunami waves are almost the same as ripples caused by throwing a rock into a pond. what is the major difference between the two?

A hot air balloon pilot wants the balloon to quickly rise several feet higher so it will be above some trees in the distance. Which best explains how the pilot can make the balloon rise? 1.

The density of pine is generally about 0.5 g/cm3. What is the mass of a 800 cm3 piece of pine Download pdf

The heat energy released or absorbed by a chemical reaction is generally determined by the difference between the energy that

A woman with a mass of * kg is standing on the rim of a large disk that is rotating at an angular velocity of 0.550 rev/s about an axis through its center. the disk has a mass of * kg and a radius of * m.