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A 3.9×10-24-kg particle is vibrating with simple harmonic motion with a period of 1.8×10-5 s and a maximum speed of 1.70×103 m/s. Calculate the angular frequency. Find the maximum displacement of the particle.
A 150MW laser pulse is focused with a lens to a diameter of 1.0?m. What is the laser beam's electric field amplitude at the focal point
Given a configuration of three charged particles such that q1= 5.30 nC at (1.50 m, 0.0 m), q2= 9.20 n C at (0.00 m, 2.00 m) and q3= -2.40 nC at the origin
A ball of mass 0.190 kg has a velocity of 1.47 i m/s; a ball of mass 0.305 kg has a velocity of -0.392 i m/s.They meet in a head-on elastic collision. Find the velocity of their center of mass
A 70.0 kg stuntman is attached to a bungee cord. He is standing on a ledge that is 50 m high. How much gravitational potential energy does he have
question1a single point charge q 1.85 microc is fixed at the origin. an imaginary spherical surface of radius 3.00 m
The work function of a particular substance is 4.15 × 10-19 J. What is the photoelectric cutoff wavelength for this material
The loaded cab of an elevator has a mass of 3.7 x 10^3 kg and moves 228 m up the shaft in 21 s at constant speed. At what average rate does the force from the cable do work on the cab.
A piece of lead [c = 128 J/(kg·C°)] is heated from 18.0° C to 31.0° C. The same amount of heat is added to a piece of copper [c = 387 J/(kg·C°)]. Determine the final temperature Tf of the copper
A block of mass m = 2.00 kg is attached to a spring of force constant k = 415 N/m, Find the speed the block has as it passes through equilibrium
A physics student on Planet Exidor throws a ball, and it follows the parabolic trajectory, What was the ball's launch angle
A 20.0 kg wood ball hangs from a 1.70 m-long wire. The maximum tension the wire can withstand without breaking is 500 N. What is the largest speed this projectile can have without causing the cable to break
Your friend's car is broken and you volunteer to push it to the nearest repair shop which is 2.0 km away. what is the normal force between the two bumpers
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