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Questions in physics

[Free] A 5 C charge experiences a force of 40 N when placed at a certain location in space. What is the electric field at that location?

[Free] What equation can be used to calculate the time of impact when you have the impulse and force applied to an object?

[Free] A bullet fired into a target loses half of its velocity after penetrating 3 cm. How much further will it penetrate before coming to rest, assuming that it faces constant resistance to motion?

[Free] What are conduction, convection, and infrared radiation in relation to heat transfer?

[Free] You have a cylindrical balloon ship with a mass of 25,000 kg. How should you calculate the air friction on its speed?

[Free] What is a robin? Is it a herbivore, carnivore, omnivore, or decomposer?

[Free] How do I use the equation [tex]E=MC^2[/tex] in relation to atoms to find the amount of energy of a reaction?

[Free] Which type of cloud would most likely produce a thunderstorm?

[Free] When parts of your body function as lever systems, what part supplies the force?

[Free] How are static electricity and current electricity alike and different?