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A 2.0-kg projectile moves from its initial position to a point that is displaced 20 m horizontally and 15 m above its initial position. How much work is done by the gravitational force on the projectile?
In a double-slit experiment, the fourth-order maximum for a wavelength of 450 nanometers occurs at an angle of 90o. Find what range of wavelengths in the visible range
The speed of a transverse wave on a string is 435 m/s, while the wavelength is 0.160 m. The amplitude of the wave is 1.60 mm. How much time is required for a particle of the string to move through a total distance of 1.01 km?
In a court hearing, a physicist reconstructs an accident in the following way. A sports car of mass m1=1000kg collided with a parked truck of mass m2=1500kg. Determine the speed of the sports car immediately after the collision
The flywheel of a gasoline engine is required to give up 510J of kinetic energy while its angular velocity decreases from 630rev/min to 480rev/min, What moment of inertia is required
A 400 g mass is suspended from a thread 45 cm long that can sustain a maximum tension of 8.0 N before breaking. What is the maximum allowable amplitude for pendulum motion of this system
An assistant standing on the level ground 150 m downrange from the launch point throws an apple straight up with the minimum initial speed necessary to meet the path of the arrow. Elucidate the initial speed of the apple?
Suppose that you measure the resistance of a resistor using a voltmeter, a current meter, and a battery. Suppose that the voltmeter reads 0.2 % high and the current meter reads 0.3 % low. What will be the percent error in your measurement of resis..
An energy of 39 joules is stored in a metal sphere. If a sparkcarrying 3 x 10-4 C discharges the metal sphere, find the sphere's electric potential before the discharge
When you irradiate a metal with light of wavelength 425 nm in an investigation of the photoelectric effect, Find the work function of the irradiated metal
Double-slit experiment. (a) Suppose you illuminate the slits with 589 nm yellow sodium light and observe a 4.5 cm bright-fringe spacing on a screen 1.75 m away.
A non conducting solid sphere of radius 2.40 centimeter carries a uniformly distributed positive charge of 7.80E-9 C. Find the magnitude of the electric field at a point 3.10 centimeter away from the center of the sphere
A car is traveling at a steady 70km/h in a 50 km/h zone. A police motorcycle takes off at the instant the car passes it, accelerating at a steady 7.2m/s2. How far is the motorcycle from the car when it reaches this speed
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