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A cannon fires a projectile with a muzzle velocity of 400m/s at anangle of 20 degrees above the horizontal. Assume the height of thecannon is zero and the surface of the earth is flat.
(a) How long does it take for the projectile to hit theground?
(b) What is the range of the cannon?
A thin sheet of transparent material has an index of refraction of 1.40 and is 15.0 mm thick. how many fringe shifts occur in the pattern
A glass wedge is constructed to vary smoothly in thickness from zero to t = 0.200mm. What is the refractive index of the wedge
What is the smallest capacitor needed in a computer power supply in order to produce at least 3.55 V for 0.37 seconds after the power goes off? Assume that the resistance of all the components of the computer motherboard is 6 Ohms and that the capaci..
A thin 11-cm-long solenoid has a total of 440 turns of wire and carries a current of 1.9A, Calculate the field inside the solenoid near the center
In traveling to the Moon, astronauts aboard the Apllospacecraft put themselves into a slow rotation to dsitribute theSun’s energy evenly. At the start of their trip, theyaccelerated from no rotation to 1 revolution per minute during a12- min time ..
During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 151 N on the wire. The left section of the wire makes an angle of..
Starting from rest, a 2.3x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, What is the flea's speed when it leaves the ground
A diver shines a flashlight upward from beneath the water at a 44.5° angle to the vertical. At what angle does the light leave the water
A billiard ball moving at 5.30 m/s strikes a stationary ball of the same mass. Find the velocity (magnitude and direction) of the second ball after collision
assume the current in the coaxial cable, see the figure , is not uniformly distributed, but instead the current density varies linearly with distance from the center: for the inner conductor and for the outer conductor. Each conductor still carrie..
A 2.40 kg ball is attached to an unknown spring and allowed to oscillate. When does the maximum of acceleration occur
A parallel-plate capacitor has circular plates of 6.10 cm radius and 1.10 mm separation. Calculate the capacitance.
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