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A 3.0 kg particle with velocity v = (5.0 m/s) ihat - (6.0 m/s)jhat is at x = 3.0 m, y = 8.0 m. It is pulled by a 7.0 N force inthe negative x direction.a) What is the angular momentum of the particle about the origin?b) What torque about the origin acts on the particle?c) At what rate is the angular momentum of the particle changing?
A proton (1e) and an alpha particle charge = 2e, mass = 6.64 x10^-27 kg are initially at rest, separated by 4.00 x 10^-15 m. Find the speeds of the proton and alpha particle
A grasshopper jump 1.00 meter from rest, with an initialvelocity at a 45 degree angle with respect to the horizontal. Find the initial speed of the grass hopper
A block of mass m = 2.0 kg attached to a spring with spring constant k on a frictionless surface. The block is pushed to the left to position x = -0.5 m and, at time t = 0, it is released from rest and starts oscillating with a period of 2.0 s.
An electron traveling at v = 1.20 x 10^5 m/s passes from (2.00 m, 1.00 m, 3.00m) to (7.00 m, 3.00 m, 1.00 m), What is the force that electron experiences the instant
A square solenoid of length 6.82 cm has 212 turns and carries a current of 10.8 A. The sides of the solenoid measure 2.06 cm. find the magnetic flux through the cross-sectional area of the solenoid
the surface charge density on an infinite charged plane is - 2.50 x 10-6 cm2. a proton is shot straight away from the
What minimum force requires for door to hold it open
A spring with a mass on the end of it hangs in equilibrium a distance of 0.4200 m above the floor. How high above the floor is the mass at the highest point in its oscillation
a pair of speakers separated by 0.700 m are driven by the same oscillator at a frequency of 690 hz. an observer
A vertical heat-insulated cylinder is divided into two parts by a movable piston of mass m. Find the final temperature of the gas
Coherent light with wavelength 610 passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3 from the slits. The first-order bright fringe is a distance of 4.84 from the center of the central bright..
Speedboat A negotiates a curve whose radius is 150m. Speedboat B negotiates the curve whose radius is 190m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
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