Aperson holds a rifle horizontally and fires at a target. the bullet leaves the muzzle of the rifle with a velocity of 460 m/s. two seconds later the person hears the bullet strike the target.

if the speed of sound in air is 340 m/s, calculate the distance travelled from the bullet to the target.

b.transmitters send radio waves, and receivers capture radio waves.

i don't understand is there any other way you can rephrase it plz let me know in the comments and i will do it.

explanation:

5 w for 1hr = 5x60x60 joules=300x60=3000x6=18,000j as total energy conversion. efficiency of bulb needed for radiant to thermal within 18000

  the unit of the measure =

explanation:

  the property that is quantified by the energy needed per of material to raise the temperature by one.

  si unit of energy = joule (j)

  si unit of temperature = kelvin (k)

  si unit of mass of material = kilogram (kg)

the property that is quantified by the energy needed per of material to raise the temperature by one is called specific heat.

the unit of specific heat is