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To balance a very light rod when a down force is applied at a point 0.77m to the left of a supporting fulcrum (pivot point), a mass of 1.23*102 kg is place at a point 0.55m to the right of the fulcrum. What is the magnitude of the downward force?
Use graphical techniques to find out the direction of the dog’s resultant displacement vector. Give the direction of the resultant displacement in degrees (out of 360).
A model airplane with mass of 0.754 kg is tethered by a wire so that it flies in a circle 29.5m in radius. The airplane engine provides a net thrust of 0.796 N perpendicular to tethering wire.
A 79.2 kg airplane pilot pulls out of a dive by following, at a constant speed of 191 km/h, the arc of a circle whose radius is 321m.
An electric dipole includes a charge of 4 ?C and a second charge. What is the total charge of the dipole?
A penny of mass 3.1g rests on a small 20g block supported by a spinning disk. The coefficients of friction between the block and disk are 0.75 (static) and 0.64 (kinetic).
A 60.0 g bullet is fired from a muzzle velocity of 525 m/s from a gun with mass 4.50 kg and a barrel length of 55.0 cm, Find the bullet's momentum as it leaves the barrel
A catcher catches a fastball going 95mi/hr and recoils 12cm while stopping the ball in 0.005s. FIND the average force the ball exerts on the hand & glove
A football is kicked straight up into the air; it hits the ground 3.8s s later, What was the greatest height reached by the ball, Assume it is kicked from ground level
Over the next several weeks, Frank never saw any of the industry's logo items being worn or used by the workers. Instead the workers were uncommunicative towards him and at times even hostile
Order of magnitude estimation: Using physics intuition, estimate the muzzle velocity of a projectile launcher
Determine the magnitude of the friction force. 5.80 g lead bullet traveling at 460 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is tra..
A straight filament 7.00 m in length that is uniformly charged has a total positive charge of 2.0 uC, calculate the electric field at the surface of the cylinder and the total electric flux through the cylinder
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