2. A 2.00 kg block is initially at rest in space, when a force given by F= (4x2)i + (6y)j + (2.0)k acts on the block from initial position ₁ = 0 to 72 = 1.00 +2.00 +3.00k in 2.00 seconds (where r is in meters and F in Newtons). (a) What is the work done by the force F on the block from r₁ to r₂? (b) What are the magnitude and direction (relative to the +z axis) of the block velocity at r₂? (c) What are the magnitude and direction (relative to the +z axis) of the block acceleration at r₂? (d) What is the instantaneous power at r₂?

2. A 2.00 kg block is initially at rest in space, when a force given by F= (4x2)i + (6y)j + (2.0)k acts on the block from initial position ₁ = 0 to 72 = 1.00 +2.00 +3.00k in 2.00 seconds (where r is in meters and F in Newtons). (a) What is the work done by the force F on the block from r₁ to r₂? (b) What are the magnitude and direction (relative to the +z axis) of the block velocity at r₂? (c) What are the magnitude and direction (relative to the +z axis) of the block acceleration at r₂? (d) What is the instantaneous power at r₂?