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A 100 kilogram log is pulled along a horizontal surface with frictional force 300 N opposing the motion.
(a) If the applied is 450-N, find what is the acceleration?
(b) If the acceleration is 2m/s^2, determine what is the applied force?
It takes a minimum force of 280N to move a 50 kg crate. What is the coefficient of maximum static friction between the crate and the floor
the electric field 10 cm away from an isolated point charge is e 100 vm. the electric field 20 cm away from this same
A skier of mass m= 70kg glides down a slope at angle theta= 32 degrees, as shown in the figure below. The snow is so slippery that you can neglect friction. Find the force the snow exerts on the skier
a 3.6 vc change is moved from a position where its electric potential energy is 7.2 mj to a position where its
A meter stick lies on the bottom of a 100-cm-long tank with its zero mark against the left edge. You look into the tank at a 30 degree angle, with your line of sight just grazing the upper left edge of the tank.
At rest, a car's horn sounds the note A (440 Hz). The horn is sounded while the car is moving down the street. find Is the cyclist ahead of or behind the car
The two blocks, m1 = 1.40 kg and m2 = 5, are connected by a mass less rope that passes over a pulley. The pulley is 12 cm in diameter and has a mass of 2.0 kg.
two students stand poised to leap off a high dive structure into the swimming pool below. student b is twice as massive
A hot-air balloon is accelerating upward under the influence of two forces, its weight and the buoyant force. What is the acceleration of the rising balloon
in a classical harmonic oscillator a particle with energy e moves oscillates in the classically allowed regionx lt
An ice-cube tray of negligible mass contains 0.350 kg of water at 18.0°C. How much heat must be removed to cool the water
as LC circuit consists of a capacitor with C = 3.4 x10-6 F and an inductor with L = 0.080 H. What will be this maximum current
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