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The system in Fig. 12-36 is in equilibrium. A concrete block of mass 225 kg hangs from the end of the uniform strut of mass 45.0 kg. For angles = 30.0° and θ = 45.0°, find (a) the tension T in the cable and the (b) horizontal and (c) vertical components of the force on the strut from the hinge.
The graph shows how the force component F cos along the displacement varies with the magnitude s of the displacement. Find the work done by theforce. (Hint: Recall how the area of a triangle is related tothe triangle's base and height.)
The proper length of one spaceship is three times that of another. The two spaceships are traveling in the same direction, determine the speed of the faster spaceship
An electron moving to the left at 0.8c collides with an incoming photon moving to the right. After the collision, the electron is moving to the right at 0.6c and an outgoing photon moves to the left. What was the wavelength of the incoming photon..
A large water tank springs a leak in its side which is 10 m above the ground. The spraying water hits the ground a distance 12m from a point directly underneath the leak.
A 2.10 sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward sound receiver as the heart beats. The reflected sound is then mixed with the transmitted soun..
At the Earth's surface, a projectile is launched straight up at a speed of 9.1 km/s. To what height will it rise
Your objective is to generate an angular acceleration curve for the knee from this data (posted along with this assignment) and find the peak flexion acceleration/deceleration.
At some instant and location the electric field associated with an electromagnetic wave in vacuum has the strength 86.9 V/m. Find the magnetic field strength
A bird flies 3.6km due west and then flies 1.2km due north, What is the angle between the net displacement vectors of the 2 birds
A golf ball is hit off a tee at the edge of a cliff. Its x and y coordinates as functions of time are given by x = 19.9t and y = 4.08t ? 4.53t2, obtain the expression for the acceleration vector as a function of time
Standing at a crosswalk, you hear a frequency of 590 Hz from the siren of an approaching ambulance. Determine the ambulance's speed from these observations
A Styrofoam ball of mass 0.120 g is placed in an electric field of6000 N/C pointing downward. What charge must be placed on the ball for it to be suspended?
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