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Q. A ship sets out to sail to a point 148 km due north. An unexpected storm blows the ship to a point 109 km due east of its starting point. (a) How far (in km) and (b) in what direction (as an angle from due east, where north of east is a positive angle) must it now sail to reach its original destination?
Q. at a picnic, there is a contest i which hoses are used to shoot water at a beach ball from three directions. as a result, three forces act on he ball, f1, f2,f3. the magnitude of f1 and f2 are f1=50 newtons and f2=90 newtons. using a scale drawing the graphical technique, determine (a) the magnitude of f3 and (b) the angle such that resultant force acting on the ball is zero.
A 4.80 long, 600 steel beams extends horizontally from point where it has been bolted to the framework of a new building under construction. A 75 construction worker stands at the far end of beam.
Find out an angular momentum of the system
What is the electric field strength at midpoint between two disks.What is the electric field strength a point on axis 5.0 cm from one disk between them.
A jogger runs 100m due east, then changes direction for the second leg of the run. At the end of the run, she is 350m away from the starting point at an angle of 25.0° north of east. What were the direction and length of her second displacement? Util..
compute the force exerted by the man, the work done by the man on the piano, the work done by the friction force, the work done by the force of gravity, and the net work done on the piano.
What is the terminal speed for a 76.0 skier going down a 41.0 snow-covered slope on wooden skis = 0.070? Suppose that the skier is 1.80 m tall and 0.500 m wide. Replace mg with net forces parallel to the incline.
At what rate is the flywheel spinning while the power comes back on. How long after the beginning of the power failure would it have taken the flywheel to stop if the power had not come back on.
What is braking distance for the first train
How many homes could be heated with the waste heat
What is the kinetic energy of a 0.5-kg object moving at a constant speed of 2 m/s?
A car is traveling at a constant speed of 38.8m/s on a highway. At the instant this car passes an entrance ramp, a second car enters the highway from the ramp. The second car starts from rest and has constant acceleration. What acceleration must it..
What time would an observer on one of the two planets measure for the similar trip. Find out the coordinates of the center of gravity for this system.
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