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When the dried up seed pod of a scotch broom plant bursts open, it shoots out a seed with an initial velocity of 3.0 m/s at an angle of 60.0° above the horizontal.
(a) If the seed pod is 1.1 m above the ground, how long does it take for the seed to land? (Neglect air resistance.)
(b) What horizontal distance does it cover during its flight?
The magnetic field perpendicular to a single 13.7 cm diameter circular loop of copper wire decreases uniformly from 0.600 T to zero. how much charge moves past a point in the coil
The pilot of an airplane executes a loop-the-loop maneuver in a vertical circle. What is the pilot's apparent weight at the lowest point if his true weight is 160 lb
An archer pulls her bow string back 0.40m by exerting a force that increases uniformly from zero to 25 N. How much work does the archer do in pulling back the bow.
A string 1.9 m long with a mass of 2.6 g is stretched between two fixed points with a tension of 80 N. Find the frequency of the fundamental on this string
A block has a mass of 1.20 kg and is attached to a spring with spring constant of 5.00 N/m. How many oscillations is made by the block by that time
A 44 cm diameter loop is rotated in a uniform electric field until the position of maximum electric flux is found. The flux in this position is 5.40 x10^5 N·m2/C. What is the magnitude of the electric field.
A 3.0x10 ² kg piano is being lifted at a steady speed from ground level straight up to an apartment 10 m above the ground. How much time does it take to lift the piano
An air-filled toroidal solenoid has a mean radius of 15.1cm and a cross-sectional area of 4.95cm2, find the least number of turns that the winding must have
A man is riding on a flatcar traveling at a constant speed of 9.10, When the ball leaves the man's hands, what is the direction of its velocity relative to the frame of reference of the flatcar
The top of Mt. Everest is 8750 m above sea level. Assume that sea level is at an average Earth radius of 6.38×10^6 m. What is the magnitude of gravitational acceleration at the top of Mt. Everest? Mass of the Earth is 5.97×10^24 kg.
A positive charge of 0.800? C is located in a uniform field of 1.20×105 N/C. A negative charge of -0.400? C is brought near enough to the positive charge that the attractive force between the charges just equals the force on the positive charge du..
A 0.600 kg hammer is moving horizontally at 8.00 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board. What was the average force exerted on the nail
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