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If it takes 35s for the 50-Mg tugboat to increase its speed uniformly to 25 km/h, starting from rest, determine the force of the rope on the tugboat. The propeller provides the propulsion force F winch gives the tugboat forward motion, whereas the barge moves freely. Also, determine F acting on the tugboat. The barge has a mass of 75 mg.
Find the energy (in joules) of the photon that is emitted when the electron in a hydrogen atom undergoes a transition from the n = 5
A shopper pushes a cart 49 m south down one aisle and then turns 90.0° west and moves 11 m. What is the smallest possible displacement of the shopper
A 60 (g} tennis ball with an initial speed of 32 {m/s} hits a wall and rebounds with the same speed. The figure shows the force of the wall on the ball throughout the collision.
A diving board of length 3.00 is supported at a point 1.00 from the end, and a diver weighing 530 stands at the free end (Figure 1) . The diving board is of uniform cross section and weighs 300. Find the magnitude of the force at the support point.
A tugboat pulls two barges with a force of 3000N. The water slows each of the boats with a force of 200N (3 total forces of 200N each). what is the accleration of the boats
question1two metal balls a and b of negligible radius are floating at rest on space station freedom between two metal
A bowling ball of mass 7.5 kg and radius 9.0cm rolls without slipping 10 m down a lane at 4.3m/s. calculate the angular velocity of the bowling ball.
A small object, which has a charge q = 5.6C and mass m = 5.4 x 10-5 kg, is placed in a constant electric field, Determine the magnitude of the electric field
a microwave oven operates at 2.4 ghz with an intensity inside the oven of 2500 wm2.what is the amplitude of the
The value of the magnetic field for a certain type of electromagnetic wave is 2.12 ?T. What is the value of the electric field for that wave
Two point charges are located on the x axis. The first is a charge +Q at x = ?a. The second is an unknown charge located at x = +3a. What are the two possible values of the unknown charge
A particle is located at r=(4.1i+3.1j+5.6k)m . A force F=(9.5j-3.5k)N acts on it. What is the torque, calculated about the origin
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