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A charged particle A exerts a force of 2.44 N to the right on charged particle B when the particles are 12.0 mm apart. Particle B moves straight away from A to make the distance between them 18.8 mm. What vector force does particle B then exert on A?
At the low point in it swing, a pendulum bob with a mass of 0.46 kg has a velocity of 2.2 m/s. What is its kinetic energy at the low point
A flywheel with a diameter of 1.12 m is rotating at an angular speed of 254 rev/min. What is the angular speed of the flywheel in radians per second? What is the linear speed of a point on the rim of the flywheel?
A uniform rod of mass 3.05×10^-2?2kg and length 0.370m rotates in a horizontal plane about a fixed axis through its center, compute the angular speed of the rod after the rings leave it
A rubber ball of mass 37.5 g is dropped from a height of 1.80 m onto a floor. Thevelocity of the ball is reversed by the collision with the floor,and the ball rebounds to a height of 1.55m. What impulse was applied to the ball during the collision..
A transverse wave of frequency 10 Hz propagates down a string. Two points seven cm apart are out of phase by /6. (a) What is the wavelength of the wave? (b) At a given point, what is the phase difference among two displacements for times 5 ms apart? ..
q1. two people are carrying a uniform wooden board that is 3.00 m long and weighs 160 n. if one person applies an
a positive charge of 5.30 oc is fixed in place. from a distance of 3.80 cm a particle of mass 6.00 g and charge 3.60 oc
Tarzan, King of the Jungle (mass = 70.4 kg), grabs a vine hanging from a tree branch. He is 4.80m off the ground when he grabs the vine. How high will Tarzan and Jane swing
A Mass-Spring-Damper system is tested to determine the value of the viscous damping coefficient c. Assume k =150 N/m and m = 30 kg. The vibrational amplitude is observed to decrease to 33% of its initial value after two consecutive cycles. What is..
A ball of circumference 73.6 cm and mass 600 g is forced to the bottom of a swimming pool and then released. After initially accelerating upward, Calculate the buoyant force on the ball
A Cessna aircraft has a lift-off speed of 120 km/h. How long does it take the aircraft to become airborne
A space station, in the form of a wheel 184 m in diameter, rotates to provide an "artificial gravity" of 7.40 m/s2 for persons who walk around on the outer rim. Find the rotational frequency of wheel (in revolutions per minute) that will produce t..
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