Asmall 21 kilogram canoe is floating downriver at a speed of 4 m/s. what is the canoe's kinetic energy? answer = units =

As per this question the mass of canoe is given as 21 kg.

The canoe is floating downriver with a speed of 4 m/s.

We are asked to  calculate the kinetic energy of the canoe.

The kinetic energy is the energy due to the motion of the body.

If a body has mass m and it moves with a velocity v ,then its kinetic energy is defined as

we are given v= 4 m/s and m= 21 kg

Hence kinetic energy of canoe

                                                                 =168 Joule.

Hence the kinetic energy of the  particle is 168 Joule.

Here Joule is the unit of energy

we're given that v₀ = 0 and a = 5.4 m/s². therefore, since v = at + v₀ for constant acceleration the equation for velocity is

after 28s,

m/s

which i would round to 150 m/s as my final answer