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Determine the minimum force P applied to the wedge required to start raising the crate. The crate weighs 154 lb and the coefficient of static friction for all surfaces is μs = 0.2. Neglect the weight of the wedge. Be sure to include units in pounds as part of your answer!
please include a FBD diagram as well please!
A small ball is attached to one end of a spring that has an unstrained length of 0.204 m. The spring is held by the other end, What is the maximum acceleration of the eardrum
Find the magnitude and direction of the vector represented by the following pairs of components. Write each vector in Fig. 2 in terms of the unit vectors i^ and j^.
An iron bar of mass, 0.57 kg, slides down a frictionless incline 0.67 m high. What is the speed of the combined masses after collision
A proton and electron are far away from each other, how quick would the electron be going in the orbit if we assume centripetal motion?Therefore, what is the electrnss kinetic energy
A gas, while expanding under isobaric conditions, does 500 J of work. The pressure of the gas is 1.6 105 Pa, and its initial volume is 1.60 10-3 m3
After catching the ball, Sarah throws it back to Julie. However, Sarah throws it too hard so it is over Julie's head when it reaches Julie's horizontal position. What is the speed of the ball when it leaves Sarah's hand
Many communications satellites orbit the earth in geostationary orbits. (They appear to remain in the same positions in the sky for observers on the earth's surface.) If such a satellite orbits at a height of 40,000 km, estimation the time delay in a..
Visitors at a science museum are invited to sit in a chair tothe right of a full-length diverging lens (f1 = -2.60 m)and observe a friend sitting in a second chair, 1.90 m to the leftof the lens. The visitor then presses a button and a converginglen..
One long wire carries current 20.0 A to the left along the x axis, A uniform electric field is applied to allow this particle to pass through this region undeflected. Calculate the required vector electric field
An oil droplet with 13.0 excess electrons is observed between two parallel electrodes spaced 11.0mm apart. What is the radius of the droplet
A fisherman notices that his boat is moving up and down periodically due to waves on the water. What is the velocity of the wave
A physicist uses a cylindrical metal can 0.210m high and 0.075m in diameter to store liquid helium at 4.22 K; How much helium is lost per hour? The emissivity of the metal can is 0.200
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