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A 0.157-kg particle undergoes simple harmonic motion along the horizontal x-axis between the points x1 = -0.253 m and x2 = 0.495 m. The period of oscillation is 0.547 s. Find the force constant, k, and the total mechanical energy, Etot.
Light of wavelength 572 nm illuminates a single 0.72 mm wide slit. What is the width of the central maximum
A Molecule of DNA is 2.17 um long. The ends of the molecule become strongly ionized: negative on one end, positive on the other. The helical molecule acts like a spring and compresses 0.78% upon becoming charged. Determine the effective spring con..
q1. a ball on a porch rolls 60 cm to the porchs edge drops 40 cm continues rolling on the grass and ultimately stops 80
A beam of 12 cm microwaves strikes a surface glass with an index of 1.5 at an incident angle of 45 degrees. Compute the transmitting angle
A 210 turn coil has an area of 4.8 cm2 and rotates in a magnetic field of 0.5 T. (a) What frequency will generate a maximum emf of 10 V? (b) If the coil rotates at 60 Hz, what is the maximum emf?
The block starts at the top of the wedge at 1.2 m. Find out the final speeds of a block and the wedge once the blook has slid to the bottom.
The loaded cab of an elevator has a mass of 3.0 x 10^3 kg and moves 145 m up the shaft in 23 s at constant speed. At what average rate does the force from the cable do work on the cab.
What will the force be between these charges. What should the banking angle of the curves be so that the force of the pavement on the tires of the car is in the normal direction.
If the ball was thrown from the street, when does it reach the street again after it passes by window on the way up.
What is the minimum coefficient of friction between tires and road.
A rifle with a weight of 20 N fires a 3.0 g bullet with a speed of 260 m/s. If a 700 N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle
A golf ball of mass 4.50 10-2 kg is struck by a club. Compute the average force the club exerts on the ball by finding its average acceleration
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