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You are trying to push a crate across the rough floor of a warehouse. Just before the crate begins to move, you have applied a force of 102 N. The shipping label on the crate says it is 61 kg. Calculate the coefficient of static friction between the crate and the floor. (Use g=9.8ms-2)
automobile accident analysis you are called as an expert witness to analyze the following auto accident ca b of mass
Assume a satellite is in a circular orbit 3.0 Earth radii above the surface of the Earth (4 Earth radii from the center of the Earth). Compute by how much does it have to increase its speed
Assume that the blocks accelerate as shown with an acceleration of magnitude a= 0.550 m/s^2 and that the coefficient of kinetic friction between block 2 and the plane is μ= 0.400. Find out the mass of block 2, m2, when θ= 30.0.
it is desired to measure the magnitude of field between the poles of a powerful loud speaker magnet. a small flat
A spherical asteroid with radius of 17.3 km has uniform density 3500 kg/m^3. Find the gravitational acceleration at the asteroid's surface
1. a 0.05 kg bullet is fired horizontally into a 8.0-kg block of wood suspended by a rope from the ceiling. the block
for uniform circular motion describe how the speed velocity and acceleration change with time. for each vector quantity
A student throws a set of keys vertically upward to her sorority sister, who is in a window 4.00m above. The second student catches the keys 1.50s later. (a) With what initial velocity were the keys thrown? (b) what was the velocity of the keys just..
On a banked race track, the smallest circular path on which cars can move has a radius of 109 m, Find the largest speed at which cars can move on this track without relying on frictio
two filaments of current infinitely long and strait that have current with the same magnitude. find the magnetic field
Large electric fields in cell membranes cause ions to move through the cell wall, as we will explore in a later chapter. What is the magnitude of the force on a calcium ion with charge +e
The vertical displacement y(x,t) of a string stretched along the horizontal x-axis is given by y(x,t) = (6.00 mm) cos[(3.25 m-1)x - (7.22 rad/s)t]. What is the distance between adjacent crests of the wave
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