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A 53.6 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 16.0° above the horizontal.
A) If the coefficient of static friction is 0.510, what minimum force magnitude is required from the rope to start the crate moving?
B) If ?k = 0.390, what is the magnitude of the initial acceleration of the crate?
In a certain region of space, the electric field, E, is constant in direction (say horizontally in the +x-direction), but its magnitude decreases.
display that Gauss' law is satisfied for the magnetic field due to a straight wire that carries a current I in the +z - direction for a volume that represents a portion of a cylindrical shell of height h, extending from a radius r to a radius R a..
If the ropes supporting the rings are attached to ceiling directly above, what is the tension in each rope.
You observe that a solid cube of some material floats on the surface of an oil puddle at a service station with 68.5% of its volume submerged
At t = 0 a grinding wheel has an angular velocity of 21.00 rad/s. It has a constant angular acceleration of 21 rad/s^2 until a circuit breaker trips at 2.40s. From then on it turns during 344 rad as it coasts to a stop at constant acceleration.
Suppose the velocity of a bug as a function of time is given by the following function between 0 and 2 s, Find the average speed of the bug for the whole two second trip
A charge Q = 23.0 ?C is distributed evenly on a wire bent into an arc of radius R = 47.0 cm, What is the electric field at the center of the arc that subtends ? = ±40.0°
An infinitely long line of charge has linear charge density 4.00 10-12 C/m. A proton (mass 1.67 10-27 kg, charge +1.60 10-19 C) is 17.0 cm from the line and moving straight toward the line at 3000m/s.
A 0.200 kg projectile is fired with a velocity of +745m/s at a 2.0kg wooden block that rests on a frictionless table. The velocity of the block, immediately after the projectile passes through it, is +45 m/s. Find out the velocity with which the p..
A uniform shaft, fixed at one end & free at other, is twisted so that each cross - section rotates through an angle proportional to the distance from the fixed end. If the shaft is released from rest in this position, determine the s
A runner accelerates to a velocity of 4.15 m/s due west in 1.50s. His average acceleration is 0.640 m/s^2, also directed due west. What was his velocity when he began accelerating.
what is the magnitude of the force between the two charges. The scale of vertical axis is set by vs = 5.10 m/s. What is the coefficient of kinetic friction between block and floor.
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