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A hunter aims directly at a target (on the same level) 150 m away.
(a) If the bullet leaves the gun at a speed of 220 m/s, by how much will it miss the target?
(b) At what angle should the gun be aimed so as to hit the target?
A 2150 kg railroad flatcar, which can move with negligible friction, is motionless next to a platform. What is the speed of the flatcar if he then stands on it
When the crate is moving, the frictional force between the floor and the crate has a magnitude of 122.0 N. If the crate starts from rest, explain how fast will it be moving after the man has pulled it a distance of 2.30 m?
In 9.7 s a fisherman winds 2.8 m of fishing line onto a reel whose radius is 3.0 cm, Determine the angular speed of the reel
The log has a mass m= 984 kg; the truck has a mass M=8750 kg. Calculate the minimum coefficent of static friction u needed to keep the log in the back of the truck
In a cargo plane, the center of gravity must be between the front and rear landing gears in order to maintain a torque equilibrium. Determine the normal force exerted by the ground on the front wheel
The planet Mercury has a mass of 3.3x10^23 kg and a radius of 2440 km. what is your mass on Mercury
A skier slides horizontally along the snow for a distance of 21 m before coming to rest. how fast was the skier going
What is the magnitude of the resultingforce (in nano-Newtons) on the 2 nC chargeat the origin? The Coulomb constant is
The length of a beam increases by 2.45mm when its temperature is raised from 27.74oC to 76.79 oC. What is the length of the beam at the initial temperature
A standing wave on a 75.0cm long string has three antinodes. The Wavelength is .50m. If the string has linear mass density 3.78×10?5kg/m and tension 10.5N , what are the wave's frequency
An ac generator with a frequency of 1.44kHz and an rms voltage of 24.2V is connected in series with a 2.10 kilo-ohm resistor, What is the average power consumed by this circuit
A converging lens is located 10.0 cm to the left of a diverging lens. The focal length of the converging lens is +20.0 cm. where is the final image formed by the diverging lens
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