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A 12.0- shell is launched at an angle of 55.0 above the horizontal with an initial speed of 150 . When it is at its highest point, the shell exploded into two fragments, one three times heavier than the other. The two fragments reach the ground at the same time. Assume that air resistance can be ignored. If the heavier fragment lands back at the same point from which the shell was launched, where will the lighter fragment land and how much energy was released in the explosion?
An RLC circuit has a 400 ohms resistance a 2.5 mH inductor and a capacitor. what is the power dissipated by the circuit
q1. starting from rest an13 kg block slides13.3 m down a frictionless ramp inclined at 30? from the ?oor to the bottom.
A flower pot fell of a windowsill and falls past the window below. you may ignore air resistance. it takes the pot .470s to pass the window, which is 1.80m hight. how far is the top of window below the windowsill from w/c the flower pot fell.
A piece of aluminum pipe has an inner radius of r_a = 2.0 cm and an outer radius of r_b = 2.2 com. Calculate the resistance of a 1 m long piece of pipe
A bat in a cave emits a sound pulse and receives an echo 0.22 second later. Assuming that the speed of sound is 339 m/s, how far did the sound (the longitudinal wave) travel during this time.
The wheel in the figure has eight equally spaced spokes and a radius of 34 cm. It is mounted on a fixed axle and is spinning at 2.1 rev/s. What minimum speed must the arrow have
A coiled telephone cord forms a spiral with 74.0 turns, Determine the self-inductance of one conductor in the unstretched cord
A speedboat moving at 38.0 m/s approaches a no-wake buoy marker 100 m ahead. What is the velocity of the boat when it reaches the buoy
The reserve capacity (RC) of a car battery is defined as the number of minutes the battery can provide 25.0A of current at a potential difference of 10.5V.
Illustrate what are the possible weaknesses in the Kimberely Process? Illustrate what role do you think the three sectors will have in addressing these weaknesses?
The four tires of an automobile are inflated to a gauge pressure of 1.9 multiply.gif 105 Pa. Determine the weight of the automobile
A car rounds a 1.15 radius circular track at 82 Find the magnitude of the car's average acceleration
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