Explain the relationship among negative charges, positive charges, electrons and protons.

An external force of 5N is applied to a go-kart that is opposite it's direction of travel for 5 seconds. What is the resulting momentum of the go-kart? Options: A: 25 kg m/s B: 100 kg m/s C: 975 kg m/s

You are designing a flash camera and wish to store 3j of energy in a capacitor to power the flashbulb. the circuitry of the camera will produce an emf of 200v to charge the capacitor. what size capacitor should you use to store the required energy?

Relationship between acceleration and free fall

What is the most violent star death called

A baseball thrown from the outfield is released from shoulder height at an initial velocity of 29.4 m/s at an initial angle of 30.0 with respect to the horizontal.

Consider the moment when the spring is at its maximum compression. At that moment, the kinetic energy, the gravitational potential energy, and the elastic potential energy are, respectively, a - zero, at a maximum, and at a maximum b - at a maximum,

Ari, a young patient who is regularly treated by a psychiatrist, feels compelled to carry out repetitive tasks the same way very frequently. If Ari does not conduct these tasks with extreme precision, he can feel extremely nervous and uncomfortable.

A friend says, "Stars produce energy by a fusion chain reaction of helium into hydrogen." Evaluate the validity of this statement. A) It is an valid statement. Stars produce energy by a fusion chain reaction of hydrogen into helium.

If the mass of a material is 42 grams and the volume of the material is 15 cm^3, what would the density of the material be? answer: Unit:

35. An object of mass m moving at speed v0 strikes an object of mass 2m which had been at rest. The first object bounces backward along its initial path at speed v0.