You are applying a constant horizontal force = (-8.00 N)^+ (3.00 N)ĵ to a crate that is sliding on a factory floor. At the instant that the velocity of the crate is = (3.20 m/s)i + (2.20 m/s)ĵ, what is the instantaneous power supplied by this force?
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- Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.10×106 N, one at an angle 16.0° west of north, and the other at an angle 16.0° east of north, as they pull the tanker a distance 0.680 km toward the north. What is the total work done by the two tugboats on the supertanker? Express your answer in joules, to three significant figures.A woman pushes a m = 2.40 kg carton a distance d = 5.80 m along the floor by a constant force of magnitude F = 16.0 N directed at an angle 8 = 21.0° below the horizontal as shown in the figure. Assume the floor is frictionless. (Enter your answers in joules.) Ⓡ (a) Determine the work done on the carton by the applied force (the force on the carton exerted by the woman). (b) Determine the work done on the carton by the normal force exerted by the floor. נן (c) Determine the work done on the carton by the gravitational force. (d) Determine the work done by the net force on the carton. נןA particle is subject to a force F, that varies with position as shown in the following figure. F, (N) 3 1 x (m) 2 4 6 8 10 12 14 16' (a) Find the work done by the force on the particle as it moves from x = 0 to x = 2.00 m. (b) Find the work done by the force on the particle as it moves from x = 5.00 m to x = 7.00 m. (c) Find the work done by the force on the particle as it moves from x = 10.0 m to x = 15.0 m. (d) What is the total work done by the force over the distance x = 0 to x = 15.0 m?
- A young woman on a skateboard is pulled by a rope attached to a bicycle. The velocity of the skateboarder is v⃗ → = (5.1 m/sm/s )x^ and the force exerted on her by the rope is F⃗ → = (17 NN)x^+ (12 NN)y^. Find the work done on the skateboarder by the rope in 20 seconds.A woman pushes a m = 2.00 kg carton a distance d = 6.40 m along the floor by a constant force of magnitude F = 16.0 N directed at an angle 0 = 26.0° below the horizontal as shown in the figure. Assume the floor is frictionless. (Enter your answers in joules.) m (a) Determine the work done on the carton by the applied force (the force on the carton exerted by the woman). J (b) Determine the work done on the carton by the normal force exerted by the floor. J (c) Determine the work done on the carton by the gravitational force. J (d) Determine the work done by the net force on the carton. JI need the answer as soon as possible
- A loaded grocery cart is rolling across a parking lot in a strong wind. You apply a constant force F⃗ =(34N)i^−(44N)j^ to the cart as it undergoes a displacement s⃗ =(−8.6m)i^−(3.5m)j^. How much work does the force you apply do on the grocery cart?The 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 = 2.80 N, F₂ = 3.60 N, and F3 = 10.0 N, and the indicated angles are 0₂ = 52.0° and 03 = 32.0 ˚. What is the net work done on the canister by the three forces during the first 4.00 m of displacement? 15 15 Number 03 F F3 UnitThe figure below 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 = 3.10 N, F2 = 4.10 N, and F3 = 20.0 N, and the indicated angles are 02 = 50.0° and 03 = 34.0°. What is the net work done on the canister by the three forces during the first 4.00 m of displacement? Additional Materials