Physics Waves And Oscillations Level: Misc Level
The restoring force acting on a 0.60 kg object on a spring is 1.2 N.If the displacement of the object is 0.025m, what is the spring constant?
Physics Waves And Oscillations Level: Misc Level
a 0.06 kg mass is vibrating at the end of a spring. if the spring constant is 26 N/m and the maximum displacement of the mass in 0.15 m, what is the speed of the object at
a) the equilibrium position?
b) at its most compressed position?
Physics Waves And Oscillations Level: Misc Level
The acceleration due to gravity on the moon is 1/6th that of the Earth,s. How long would a pendulum arm need to be to have a frequency of 0.50 Hz(a"moon"clock)?
Physics Circular Motion Level: Misc Level
A tire swing has a length of 1.35 m and has a person on it with weight of 659 N. If that swing is pulled back to a 45 degree, angle, what will the speed of the person be
a) when they get to the other side of their swing.
b) when they are the right at the bottom of their swing?
Physics Waves And Oscillations Level: Misc Level
A pendulum has a bob with a mass of 2.0 kg If it takes 1.5s for that mass to travel from one side of the pendulum to the other, what is the length of the arm of the pendulum.
Physics Electromagnetic Induction Level: Misc Level
A charge of 1.0 uC is placed at the center of a cube that measures 1.0 cm along each edge. What is the electric flux through the entire surface of the cube?
Physics Electromagnetic Induction Level: Misc Level
A charge of 1 uC is distrbuted on an isolated spherical conductor that has a 1.000 m radius. Point A is 50.0 cm from the center of the conductor and point B is 1.0001 m from the center of the conductor . Determine the electric field EA at point A
Physics Electromagnetic Induction Level: Misc Level
A coil is wrapped with 1000 turns of wire on the perimeter of a circular from (R=10 cm:Area=310 cm2). A uniform magnetic field is turned on perpendicular to the plane of the coil and changes at a constant rate from 0 to 1 T in a time of 1 us. What is the magnitude of the induced emf in the coil at the instant the magnetic field has a magnitude of 50 mT?
Physics Work,Power & Energy Level: Misc Level
A 60 g golf ball is dropped from a height of 2m and rebounds to 1.5 m. How much energy is lost?
Physics Work,Power & Energy Level: Misc Level
A hill is 100 m long and makes an angle of 12 degrees with the horizontal. As a 50 kg jogger runs up the hill, how much work does gravity do on the jogger?
Physics Work,Power & Energy Level: Misc Level
A 60 kg woman runs up a flight of stairs having a rise of 4 meters in a time of 4.2 seconds. What average power did she supply?
Physics Work,Power & Energy Level: Misc Level
An Amount of work equal to 1 joule is required to compress the spring in a spring. To what height can this" gun shoot a 20- gram marble?
Physics Wave Optics Level: Misc Level
How much luminous flux does a 40-cd isotropic point source emit?
Physics Wave Optics Level: Misc Level
A 60 -watt bulb hangs 4 ft directly above a table where a paper is lying. If a 100- watt bulb replaces the 60- watt bulb, how high above the paper must the bulb be placed so that the paper has 3 times the original illuminance? The red light from a helium -neon laser has a wavelength of 633nm. Find the frequency of this light wave.
Physics Wave Optics Level: Misc Level
Two isotropic light sources are 200 cm apart. One has a luminous intensity of cd. A screen is moved along the line connecting the sources. Equal illumination on the two sides of the screen is noticed when the screen is 50 cm from the 30 cd source. What is the luminous intensity of the other source?
