You give a shopping cart a job down the aisle the cart is full of groceries and has a mass of 18 kilograms the cart accelerates at a rate of 3 m/s how much force did you exert on the cart

An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?