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A falconer training a falcon throws a lure of mass 200 g at an angle 45o above the horizontal with an initial velocity of 15 m/s. One second after she throws it, her falcon catches it in mid-air. If the falcon has a mass of 400 g, and is diving straight downward at 20 m/s when he catches it, how fast is the falcon traveling afterwards, and in what direction?
Above the surface of the Earth, the magnitude of the acceleration due to gravity is inversely proportional to the square of the distance from the Earth's center.
A certain satellite travels in an approximately circular orbit of radius 2.4 × 106 m with a period of 5 h 31 min. Calculate the mass of its planet from this information
how much work would it take to rotate a 10 cm diameter loop carrying 25 a of current with a normal vector oriented 30
A spring with spring constant 12N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. What is its maximum speed
Sketch the velocity vector V and the normal unit vector nn^ on each area. The free surface area of a water tank that is being drained.
A block of mass m = 5.0 kg is pulled along a rough horizontal surface by a rope as sketched in the figure below. The tension in the rope is 80 N, Find the work done by friction on the block
A puck (mass m1 = 1.30 kg) slides on a frictionless table as shown in the figure below. The puck is tied to a string that runs through a hole in the table and is attached to a mass m2 = 3.9 kg. What is the change in the kinetic energy of the puck
The drum of a photocopying machine has a length of 42 cm and a diameter 12 cm. The electric field now above the drum's surface is 2.3x105N/C. What is the total charge on the drum?
A 2 kg mass is attached to a spring of spring constant 20 N/m. What is the period of mass and spring oscillation
A house has a floor area of 186 m2 and an outside wall that has an area of 46.5 m2. The earth's magnetic field here has a horizontal component of 2.56E-5 T that points due north and a vertical component of 4.14E-5 T that points straight down, towa..
A car is initially driving northeast at a constant speed of 120 m / h when it reverses its directions in 8.0 s without changing its speed. Find what is the average acceleration of the car
Which one of the following statements regarding internal energy is FALSE?
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