Aforce of 8480 n is applied to a cart or decelerate is at a rate of 32.0 m/s2. what is the mass of the cart?

I believe it to be 265kg.

most of them using statistics and defining how things are being measured

answer: 802.3 kilo joules of energy represents 191.75 kilo calorie of energy.

explanation:

energy released during combustion of one mole methane = 802.3 kilo joules

if 1 kilo joule = 0.239006   kilo calorie

then ,802.3 kilo joule will be = 802.30.239006 kilo calorie

802.3 kilo joule = 191.75 kilo calorie

hence, the energy in kilo calorie is 191.75 kilo calorie.