A bullet of mass 30 g is fired from a gun with a muzzle velocity 90ms−1. If its mass is 4 kg then the recoil of the gun will be?

Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.

Determine el momento angular de un rueda de 3000g moviendose a 10m/s con un radio de giro de 400cm

If a balloon is taken outside on a very cold day, what will occur?