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Question1
A hunter aims straight at a target (on the same level) 130 m away.
(a) If the bullet leaves the gun at a speed of 230 m/s, by how much will it miss the target?
(b) At what angle must the gun be aimed so as to hit the target?
Question2
A uniform semicircular sign 1.014 m in diameter and of weight 98 N is supported by two wires. The right wire is positioned .271 m from right of the sign. The left wire is on the very left of the sign with a .743 m gap between it and the right wire. Find out the tension of the right and left wire.
A 70 cm long, 0.8 mm diameter steel guitar string must be tightened to a tension of 2000 N by turning the tuning screws. By how much is the string stretched
A spark plug in an automobile engine consists of two metal conductors that are separated by a distance of 1.1 mm, What is the magnitude of the potential difference V between the conductors
A standardized biological microscope has an 8.0--focal-length objective. What focal-length eyepiece should be used to achieve a total magnification of.
A rock is thrown off a bridge of height 75m. at an angle theta=25 degrees with respect to the horizontal. The initial speed of the rock is 15 m/s. compute the maximum height reached by the rock?
What is the magnetic flux passing through Ring 2 due to A and derive an expression for the induced emf in Ring 2, 62? How much current flows in Ring 2 and in which direction?
A rectangular fish tank measures 30 cm by 65 cm by 40 cm high. What is the total force of the water on the bottom
A 120-V motor has mechanical power output of 3.60 hp. It is 87.0% efficient in converting power that it takes in by electrical transmission into mechanical power. Find the current in the motor
Two thin coils of radius 3 cm are 20 cm apart and concentric with a common axis, What is the magnitude of the magnetic dipole moment of one of the coils of wire
An x-ray photon of 0.13 nm strikes a metal and undergoes Compton scattering of the electrons in the metal. What is the momentum of the incident photon
he lower block in the figure is pulled on by a rope with a tension force of 20 N. The coefficient of kinetic friction between the lower block & the surface is 0.30. The coefficient of kinetic friction between the lower block & the upper block is a..
A rifle with a weight of 30 N fires a 3.0-g bullet with a speed of 240 m/s, Find the recoil speed of the rifle
Sodium ions (Na+) move at 0.861 m/s through a bloodstream in the arm of a person standing near a large magnet. what would be the magnetic force on the arm
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