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A cannon, located 60.0 m from the base of a vertical 25.0 m tall cliff, shoots a 15 kg shell at 43.0 ° above the horizontal toward the cliff. What must the minimum muzzle velocity be for the shell to clear the top of the cliff? The ground at the top of the cliff is level, with a constant elevation of 25.0 m above the cannon. Under the conditions of part A, how far does the shell land past the edge of the cliff?
What is the sound intensity level. One on an Incline--One Hanging A block of mass mA = 4.50 kg on a frictionless inclined plane of angle 30.0° is connected by a cord over a massless, frictionless pulley to the second block of mass mB = 2.80 kg ha..
Water drives a waterwheel (or turbine) of radius R = 3.0 m as shown in the figure. The water enters at a speed v1 = 6.5m/s, What is the torque the water applies to the waterwheel
A car is traveling along a straight road at a velocity of +31.0 m/s when its engine cuts out. For the next ten seconds, the car slows down, and its average acceleration is a1.
What is the speed of the large cart after the collision. A 345 g chunk of gold at 98.5 degrees Celsius is dropped into a 656 g of water at 22.5 degrees Celsius. What will final temperature of the gold be after the system reaches equilibrium.
what must be his average speed if he is heading 30.0° south of west for the remaining 54.6 min? mi/h (b) What is his average velocity for the entire trip?
A sphere with a diameter of 70 cm is held at a temperature of 290°C and is radiating energy. what is the emissivity of the sphere
Presume your local government wants to raise your taxes in order to support the construction of wind and solar power plants that can give your town with low-polluting energy and help decrease your town's dependence on fossil fuels for energy. Would y..
The mass of the Moon is 7.35 × 10^22 kg, whereas that of Earth is 5.98 × 10^24 kg. The average distance from the center of the Moon to the center of Earth is 384,400 km.
A generator is manufactured to produce a maximum EMF of 200v while rotating with an angular speed of 1000rpm. What is the voltage induced within the coil inside the transformer due to the coil in the generator
The hunter uses a small powerboat that moves at a maximum speed of 9 km/h with respect to the water. Illustrate what is the minimum time necessary for crossing?
A nearsighted person wears glasses to correct the problem. How far in cm from the eyes is the person's far point located
What is the turntable rotation angular velocity
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