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A bronze cannon ball with a mass of 3.5 kg is fired vertically from a small cannon and reaches a height of 25.0 m. If the canon is now aimed at an angle 47 degrees above the horizontal, calculate the horizontal distance the cannon ball would travel before it reaches the ground.
calculate the maximum height reached by the cannon ball.
the lowest pressure attained in a "vacuum" in a laboratory on the earth is 1X10^-17 atm at a termperature of 4.1 K. what is the number of molecules per cubic centimeter in this vacuum
The potential difference between two points in a wire 10 m apart is 12 V. When the current density is 4*10^7 A/m^2. find the resistivity of the material in the wire
A 4.80 long, 600 steel beams extends horizontally from point where it has been bolted to the framework of a new building under construction. A 75 construction worker stands at the far end of beam.
Two meteoroids are heading for earth. Their speed as they cross the moon's orbit is 2.3 km/s. The second meteoroid misses for earth by 2680 km. What is its speed at its closest point.
The following two traveling waves are super posed to create at standing wave: What is the resulting amplitude of the standing wave
A 25 g glass tumbler contains 450 mL of water at 24°C. what is the final temperature of the drink
A 9.05 kg projectile is fired vertically upward. Air drag decreases the mechanical energy of the projectile-Earth system by 77.5 kJ throughout the projectile's ascent. How much higher would the projectile have gone were air drag negligible.
A pipe with a diameter of 2.88 cm is carrying 134 liters/minute of water with an overpressure (gauge pressure) of 3.65 atmospheres. Find the overpressure of the water in the pipe at the top of the building
a 4.0x10^6 ohm resistor is connected in series with a 0.50 microfarad capacitor. What is the change in voltage between t=RC and t=3RC
question1drawing velocitytime graphs of the following motions-a a city bus that is moving with a constant velocityb a
q1. a test rocket is launched by accelerating it along a 200.0-rm m incline at 1.57 rm ms2 starting from rest at point
A banana has 0.45 g of potassium. 0.0117% of that potassium is 4019K, What is the activity of the banana
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