A 4 kg particle has a position vector as a function of time given by: r(t) = 3 t3i + -6 t3j (m) This particle has a single force acting on it. Calculate the power output of this force t = 1 s into the particle's journey, in W. (Please answer to the fourth decimal place - i.e 14.3225)
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A 4 kg particle has a position vector as a function of time given by:
r(t) = 3 t3i + -6 t3j (m)
This particle has a single force acting on it. Calculate the power output of this force t = 1 s into the particle's journey, in W.
(Please answer to the fourth decimal place - i.e 14.3225)
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- A body of mass 1.68 kg is at rest and subjected to a force of 11.91 N. Find the kinetic energy at the end of 4 s. No unit is required for the final answer.A mechanic pushes a 3850 kg car from rest to a speed of v, doing 5083 J of work in the process. Find the speed v. Neglect friction between car and road. Answer in units of m/s.A 12.0 kg box is given an initial push that starts it sliding across the floor. It eventually comes to a stop. If the box has an initial velocity of 3.5 m/s, how much work is done by friction to cause it to come to a stop? (Yes, you are correct, you do not know the coefficient of friction.)
- Strictly don't use chatgpt. I need a handwritten solution onlyThe figure here shows an overhead view of three horizontal forces acting on a cargo canister that was initially stationary but that now moves across a frictionless floor. The force magnitudes are F₁ = 2.60 N, F₂= 3.60 N, and F3 = 10.0 N, and the indicated angles are 02 = 49.0° and 93 = 30.0°. What is the net work done on the canister by the three forces during the first 3.90 m of displacement? 8₂ 03 Number i 11 Unit JA golfer hit a 44.84 gram golf ball from the fairway giving it an initial velocity of 38.6 m/s. It lands on the green, which is at the same elevation as the fairway, and strikes the ground with a final velocity of 15.2 m/s. What is the work (in J) done on the ball by the non-conservative friction forces [round your final answer to one decimal place]?