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A 0.344 kg mass is attached to a spring and undergoes simple harmonic motion with a period of 0.95 s. The total energy of the system is 2.8 J.
Find the amplitude of the motion.
A circular loop of wire 0.2 m in diameter is placed with its normal at an angle of 30° to the direction of a uniform 0.14 T magnetic field. What emf appears in the loop
A person with a mass of 103 kg is standing on a scale that reads weight in newtons inside of an elevator. If the elevator accelerates upward at 3.2 m/s2, what does the scale read.
An airplane flies in a loop (a circular path in a vertical plane) of radius 150m . The pilot's head always points toward the center of the loop, What is the apparent weight of the pilot at this point
In proton-antiproton annihilation, a proton and an antiproton (a negatively charged particle with the mass of a proton) collide and disappear, producing electromagnetic radiation, Find the total energy of the radiation
A worker pulls horizontally on a crate on a rough horizontal floor, causing it to move forward with constant velocity. In the figure, force is the pull of the worker and force is the force of friction due to the floor.
Red light of wavelength 670.0 nm produces photoelectrons from a certain photoemissive material. What is the material's work function
A 12-V battery causes a current of 0.80A through a resistor, How many joules of energy does the battery lose in a minute
While, entering a freeway , a car accelerates from a speed of 90 m/s at a rate of 2.17 m/s^2 for 5.50 s. Whats the cars final velocity
A woman stands on a scale in a moving elevator. Her mass is 55.0 kg, and the combined mass of the elevator and scale is an additional 755 kg. What does the scale read (in N) during the acceleration
In Denver, children bring their old jack-o-lanterns to the top of a tower and compete for accuracy in hitting a target on the ground, what is the launch speed needed to hit the bulls-eye
An electron moves in the xy plane with a speed of 3.75 x 106 m / s at an angle 600 with the x-axis 300 and the axis. A magnetic field of 0.85T is in the positive direction of axis y. Find the magnetic force on the electron.
a car is at position (x1,y1)=(4m, 5m) at time t1= 1 sec. find the (size of the) component of the average velocity along the x-axis
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