A car of mass, 1200 kg is pulled with constant force of 3000N in 20s. Work out A) The acceleration resulted:

B) Distance travelled by the car, in the given time?

C) Work done by the engine of the car

D) The kinetic energy of the Car​

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.

1) estimating temperature to the nearest tenth of a degree

2) estimating the mass of the sample to the nearest tenth of a gram

4) the position of the cups of sand and water under the heat lamp