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Question 25 (5 points) A car is parked on a slippery hill. The hill is at an angle of 15 to the horizontal. To keep
Question 25 (5 points) A car is parked on a slippery hill. The hill is at an angle of 15 to the horizontal. To keep it from sliding down the hill, the owner attaches a cable at the back of the car and to a post. The mass of the car is 1.41 x 103 kg. (a) Draw an FBD showing the forces on the car. (A/Z) (c) Calculate the tension in the cable. Assume there is no friction between the road and the tires. (A/3) cable Provide your numerical results within the text box below or upload all of your problem solutions as PDF file. Question 24 (3 points) A gure skater slides to a stop by pushing her blades against the ice as shown. The ice exerts a constant force of 105 N on the skater, and the skater stops in 0.70 m. The angle between the force and the skater's direction of motion is 140. Calculate the work done on the skater by the ice. (A/3) Question 26 (7 points) A boat is 50.0 m from the base of a cliff, fleeing at 5.0 m/s. A gun, mounted on the edge of the cliff fires a shell at 40.0 m/s and hits the boat when it has fled another 50.0 m. See the diagram below. (a) At what angle above the horizontal must the gun be aimed so that the shell will hit the target?(T/3) (b) How high is the cliff? (T/2) (c) With what velocity does the shell hit the boat? (T/2) v = 40.0 m/s v =5.0 m/s 50.0 m 50.0 m Provide your numerical results within the text box below or upload all of your problem solutions as PDF file.Question 27 (2 points) A negative charge of 6.41x10-19 C is moving north at 3.00x10' m/s relative to a magnetic field of strength 3.60 T pointing east. What is the magnitude and direction of the magnetic force on the charge? (T/2) N Provide your numerical results within the text box below or upload all of your problem solutions as PDF file
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