Agun accelerates a bullet from rest to 125.0 m/s in 22.00 ms. the exploding gunpowder provides a force of 142.0 n. what is the mass of the bullet? state your answer in grams

An electron and a proton have the same kinetic energy upon entering a region of constant magnetic field and their velocity vectors are perpendicular to the magnetic field. suppose the magnetic field is strong enough to allow the particles to circle in the field. note: you'll need to look up the masses for an electron and proton. 1) what is the ratio of the radii of their circular paths rp/re?

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your