A ski jumper travels down a slope of the height H and leaves the ski track moving in the horizontal direction. The only force acting on the ski jumper is gravity. Find the height of the ski track h at which the ski jumper flies the longest distance.

Q: The figure shows a potted plant acted on by four forces. Evaluate the vector product between forces…

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Q: Two forces of magnitude 50 newtons (N) and 60 N act on an object at angles of 30° and - 45° with the…

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Q: The horizontal vector component of an aircraft's takeoff velocity is 218.7 km/h, while the vertical…

A: In this question, concept of vector addition is used. Addition of Vector The term "addition of…

Q: Find the force required to keep a 3,000 pound car parked on a hill that makes an angle of 15 degrees…

A: Consider the figure below

Q: 3. The vertical trapezoid plate shown is below is the end plate of a trough full of water. Write but…

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Q: Three forces of A, B &C act on a bolt as shown in the figure below. Where A = 360 N, B = 480 N and C…

A: Introduction: Force vectors, such as the one shown above, are referred to as two-dimensional force…

Q: Devon is holding his father's wheelchair on a ramp inclined at an angle of 20° to the horizontal…

A: Given, Devon is holding his father's wheelchair on a ramp inclined at  an  angle of 20° to the…

Q: A rectangular tank is 2m wide across its top and is 2m deep. If the tank is filled with water, find…

A: We need to find force on portion B by portion A. We know that the density of water is 1000kg/m3…

Q: A velocity vector of variable magnitude of an object can have a constant direction. O True False

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Q: The acceleration vector points in the direction of motion. O True O False

A: If acceleration is positive then the acceleration vector points in the direction of motion.  But if…

Q: Both the magnitude and the direction of the force on a crankshaft change as the crankshaft rotates.…

A: The objective of this question is to calculate the magnitude of the torque on a crankshaft given the…

Q: As a part of a training schedule a weightlifter pushes a heavy metal block along the floor. The…

A: The power output of a weightlifter is determined by the work done in pushing a block 3 meters…

Q: 1. If three forces are represented by the vectors A, B and C, find their resultant force and the…

A: Given vectors are A = (0,5,-2) B = (5,3,4) C = (2,4,-2)

Q: Which of the following is the work done by a constant force F moving an object along a straight line…

A: The work done is defined as the integral of the force F with respect to the distance.   The work…