Lilj5215 Lilj5215 30-11-2022 Physics contestada t he position of an object with mass m at time t is rstd − at 2 i 1 bt 3 j, 0 < t < 1. (a) what is the force acting on the object at time t? (b) what is the work done by the force during the time interval 0 < t < 1?
