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A 0.20 kg billiard ball is thrown at a 45 degree angle upwards from the edge of a 12.192 meters tall building. The ball lands 20.0 meters from the base of the building.
(a) What was the speed of the ball when it was launched?
(b) How long was the ball in the air? (Neglect air resistance).
The first-order bright fringe is a distance of 4.84 from the center of the central bright fringe. For what wavelength of light would the first-order dark fringe be observed at this similar point on the screen.
A block in the shape of a rectangular solid has a cross-sectional area of 4.48 cm2 across its width, a front-to-rear length of 22.1 cm, find the magnitude of the electric field in the block
A 4 kg mass is attached to the end of a horizontal spring on a smooth surface. It is pulled 3 meters away from equilibrium and released. What is the maximum speed of the mass during its motion
At 34C, the resistance of a segment of gold wire is 53.6 . When the wire is placed in a liquid bath, the resistance decreases to 97.1. What is the temperature of the bath
Find the average magnitude of the induced emf if the change. The magnitude of the charge on a parallel plate capacitor is 4uC and the potential difference between the plates is 80V. What is the capacitance of this capacitor.
A generator connected to an RLC circuit has an rms voltage of 130V and an rms current of 33mA, what is the inductive reactance of the circuit
When a person inhales, air moves down the bronchus (windpipe) at 15 cm/s. The average flow speed of the air doubles through a constriction in the bronchus.
There are two protons of a helium atom seperated by 1.00e-15m, If the protons were allowed to move, what would be their initial acceleration due to the electric force between them
The power output of a sound system is increased by a factor of 25. By what factor should you adjust your distance from the speakers
question1a 6.8 g lead bullet travelling at 520 ms is stopped by a large tree. if half kinetic energy of the bullet is
A string is wrapped around a wheel of radius 0.4 m and moment of inertia 25 kg-m2. If the string is pulled with a force of 60 N, what is the angular acceleration of the wheel
A transverse traveling wave on a cord is represented by D = 0.25 sin (6.8x + 28t), Determine maximum and minimum speeds of particles of the cord
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