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A soccer ball with mass 0.285kg is initially at rest and is kicked at an angle of 22.8 (degrees) with respect to the horizontal. The soccer ball travels a horizontal distance of 61.4m after it is kicked. What is the impulse received by the soccer ball during the kick? Assume there is no air resistance.
A hawk flies in a horizontal arc of radius 14 m at a constant speed of 5 m/s. (a) Find out its centripetal acceleration. (b) It continues loftly along the same horizontal arc but increases its speed at the rate of 1 m/s2. Find out the acceleration..
a 3 kg cart moves on an air track at 1.2 m/s. It collides with and sticks to another cart of mass 5 kg, What is the velocity of the combined cart after collision
Miranda, a satellite of Uranus, is shown in part a of the figure below. It can be modeled as a sphere of radius 242 km and mass 6.68 1019 kg. What is his vector impact velocity
What is the required average power.
A force F acts on a 10kg object at rest for 3s and changes its velocity to 6m/s. What is the change in momentum of the object, What is the impulse of the force on the car
Both surfaces of a double convex lens have radii of 30.8 cm. what is the index of refraction of the lens material
The telescope at a small observatory has objective and eyepiece focal lengths respectively of 20.0 m and 12 cm. determine length of the barrel of the telescope
An emf is induced in a conducting loop of wire 1.16 m long as its shape is changed from square to circular.
A diving board of length 3.00m is supported at a point 1m from the end, and a diver weighing 520 m stands at the free end . The diving board is of uniform cross section and weighs 270m.
A curve of radius 40 m is banked for a design speed of 100 km/h. If the coefficient of static friction is 0.30 (wet pavement), at what range of speeds can a car safely create the curve?
A skier is sliding downhill at 5 m/s when she reaches an patch on which her skies move freely with neglegible friction. What is the speed of the skier at the bottom of the icy patch
Penny's eraser was accidentally dropped out of the window and falls into the street. The window is 9 m above the road. What is the speed of the eraser when it hits the floor
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