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A convertible travels down a straight, level road at a slow speedof 13 km/h. A person in the car throws a ball with a speed of 3.6m/s forward at an angle of 300 to the horizontal. Where is the car when the ball lands?
a 355 g mass is attached to a spring (k=425N/m) If system is allowed to oscillate on frictionless surface what is period and frequency of motion
An object of mass 5kg has an initial velocity of 10m/s, if this object has moved a distance of 40m and maintains a final velocity of 20m/s. What is the external force encountered by this object
Suppose you throw a rock from an initial height h0 at a speed v0 and angle ? from the horizontal. Neglect drag or friction, Determine the coordinate system and draw a diagram of the trajectory. Draw the free-body diagram and find the net force
A thermodynamic system is taken from state A to state B tostate C, and then back to A. What is the net work done by the system as it moves once through the cycle ABCA
A heater coil connected to a 240-Vrms ac line has a resistance of 45. what is the average power used? What is the maximum value of the instantaneous power?
A model airplane flies ina horizantal circle at the end of a50 meter long control wire, with a speed of 40 m/s. The plane has amass of 1.25 kg. Calculate the tension in the wire if the planes wings make a constant 15 degrees angle with the horizontal..
A conducting rod of mass m is sliding on frictionless conducting rails in a region that has a static, uniform magnetic field directed into the page as shown. The rails slope downward from the end with the resistor so that the rod of mass m slides dow..
If the rectangular barge is 3.50m by 24.0m and sits 0.900m deep in the harbor, how deep will it sit in the river
a winch pulls a car of mass 2000kg up a 20 degree incline at a speed of 3 ms. what is the minimum power output of the
Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 1.40 m. obtain the magnitude of the initial acceleration of the third sphere
A playground merry-go-round has a disk-shaped platform that rotates with negligible friction about a vertical axis. how fast will the disk be turning
Elucidate what is the magnitude of the normal force exerted on the car by the walls of the cylinder at point A (at the bottom of the vertical circle)? and at point B (at the top of the vertical circle)?
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