2 ACB tan resistan e of mag itd ( ) N acts \(\boldsymbol { \infty }\) car \(\boldsymbol { 0 }\) mass \(\boldsymbol { 0 }\) g
- Th car is mi gr lor straig le lro de taco tan sp e \(\varnothing \quad 3 \mathrm {~ms} ^ { - 1 }\).
Fid \(n \mathrm {~W} , \mathrm { t } \mathbf { b }\) rate at wh cht b eg \(\mathbf { B }\) the car is work g
- Th car tra ls at a co tan sp ed n a h ll in lie d at an ag e \(\boldsymbol { 6 } \theta ^ { \circ }\) to to b izo al, wh re \(\sin \theta ^ { \circ } = \frac { 1 } { 20 }\), w ittl b eg e wo kg t\\( \)\mathbb { N }$.
Fid b sp e \(\boldsymbol { \varnothing }\) th car.