Magnitude of the acceleration of the boy toward the girl
A 65 kg boy and girl use an elastic rope while engaged in a tug of war on an icy, frictionless surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the acceleration of the boy toward the girl.
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However, after the crate is in motion, a horizontal force of 57 N is required to keep it moving with a constant speed. Find the coefficients of static and kinetic friction between crate and floor.
A plane has an airspeed of 300 . The pilot wishes to reach a destination 600 due east, but a wind is blowing at 90.0 in the direction 60.0 north of east. In what direction must the pilot head the plane in order to reach her destination?
The coefficient of kinetic friction is 0.25. Determine the work done on the box by each of the four forces that act on the box. Be sure to include the proper plus or minus sign for the work done by each force.
A particle with charge travels in a circular orbit with radius 4.68 due to the force exerted on it by a magnetic field with magnitude 1.65 and perpendicular to the orbit. What is the magnitude of the linear momentum of the particle?
A hotel elevator ascends 170 m with a maximum speed of 5.0 m/s. Its acceleration and deceleration both have a magnitude of 1.0 m/s2. (a) How far does the elevator move while accelerating to full speed from rest?
Two blocks of masses m1=1kg and m2=2kg are connected by a massless cord passing over a massless, frictionless pulley. The pulley is pulled up with a force F=50 N. What is the accelerations of the two masses with respect to the ground.
The current in a solenoid with 22 turns per centimeter is 0.50 . The solenoid has a radius of 1.6 . A long, straight wire runs along the axis of the solenoid, carrying a current of 15. Find the magnitude of the net magnetic field a radial distance
A car engine is initially rotating at 185 rad/s. It is then turned off and takes 2.40 s to come to a complete stop. What is the angular acceleration of the engine? Assume acceleration is constant.
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