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Three dogs are pulling on a blanket in different directions. The English shepherd is pulling north with a force of 40 N. The collie is pulling 30º south of east with a force of 40 N. If the boxer is also using a force of 40 N, and the blanket is in equilibrium, in what direction is the boxer pulling?
A diving board length = 5.60 that weighs 210 is supported by two pillars. One pillar is at the left end of the diving board; other is distance = 1.60 away. Find out the magnitude of force exerted by the left pillar while an 85.0 diver stands at th..
Assume that, as lying on a beach near the equator watching the Sun set over a calm ocean, you start a stopwatch just as the top of the Sun disappears. You after that stand, elevating your eyes by a height H = 1.90 m.
An explorer in dense jungles of equatorial Africa leaves his hut. He takes 41 steps at an angle 45 north of east, then 81 steps at an angle 60 north of west, then 51 steps due south. Suppose his steps all have equal length. Save him from becoming ..
At a certain location, the horizontal component of the earth's magnetic field is 4.90 10-5 T, due north. A proton moves eastward with just the right speed, so magnetic force on it balances its weight. Find the speed of the proton.
If a force vector has a magnitude of 2.61 newtons and points 64.5 degrees south of east, then what is its x-component?
A parachutist with a camera, both descending at a velocity of 12 m/s, releases that camera at an altitude of 120 m.
A vertical straight wire carrying an upward 21-A current exerts an attractive force per unit length of 8.3×10?4N/m, What is the magnitude of the current in the second wire
A railroad car with a mass of 2.46 x 10^4 kg moving at 3.25 m/s collides and joins with two railroad cars already joined together, each with the similar mass as the single car and initially moving in the same direction at 1.49 m/s.
An electric dipole has opposite charges of 6.35*10^-15 C seperated by a distance of 0.29mm, Determine magnitude of the torque exerted on the dipole by the electric field.
The driver of a car wishes to pass a truck that is travelling at a constant speed of 20 meters per second. Initially, the car is also travelling at 20 meters per second and its front bumper is 24 meters behind truck's rear bumper.
If the shot is made from a horizontal distance of 5.10m and must be accurate to plus/minus 0.23m (horizontally) what is the range of initial speeds allowed to make a basket
A 10 m beam of mass 330 kg extends over a ledge. The beam is not attached, but simply rests on surface. A 53 kg student intends to position the beam so that he can walk to the end of it. How far from the edge of the ledge can the beam extend.
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