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A plane is heading south at a speed of 500 km/h. There is a wind of a speed of 70 km/hr (average) heading southwest. Obtain the velocity (magnitude and direction) of the plane relative to the ground, and determine how far from its intended position will it be after 30 minute if the pilot takes no corrective action.
A 2.65 kg object is moving in a plane, with its x and y coordinates given by x = 2t2 - 3 and y = 2t3 + 6, where x and y are in meters and t is in seconds. Find out the magnitude of the net force acting on this object at t = 2.00 s.
A spherical shell of copper with an outer diameter of 19.0 cm floats on fresh water with one third its volume above the water's surface
An 89.6-kg jogger is heading due east at a speed of 2.97 m/s. A63.1-kg jogger is heading 18.2 ° north of east at a speed of2.26 m/s. Find (a) the magnitude and(b) the direction of the sum of the momenta of the two joggers. Describe the direction as a..
a marble spins in a vertical plane around the inside of a smooth 20-cm-diameter horizontal pipe. the marbles speed at
When an uncharged parallel-plate capacitor is connected to a 50.0V battery, it is noticed that 22.0 microColumbs of charge flowed out from the + terminal of the battery, What is the value of the capacitance, in Micro Farads
A uniform electric field of magnitude 430 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.60 cm. find the work done by the field on the electron
The figure below shows a three-particle system, with masses m1 = 2.5 kg, m2 = 4.0 kg, and m3 = 9.0 kg. (a) What are the coordinates of the center of mass?
A nucleus of mass 238 u, initially at rest, emits an ? particle with a KE of 5.1MeV. What is the ke of the recoiling daughter nucleus
A solid cyclinder of mass 2.0 kg and radius 0.2 m is rotating uniformly at an angular velocity 2.0 rad/s around the fixed axis through the center O. What is the moment of inertia of the cyclinder
A 205 kg log is pulled up a ramp by means of a rope that isparallel to the surface of the ramp. The ramp is inclined at30% with respect to the horizontal. Find the tension in the rope
A soccer playrer kicks a 0.5kg ball from rest to a speed of 9m/s during a 0.15s contact between his foot and the ball. What is the average force applied by the players foot during the kick
A 5-kg mass moves under the influence of a force F=(2e^t ?)N, where t is time. What is the particle's position as a function of time
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