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A non-uniform beam of length 4.51m and weight 1.05kN makes an angle of 24.0 degrees with the horizontal. It is held in position by a frictionless pivot at its upper-right end and by a cable a distance of 2.90m farther down the beam and perpendicular to it. The center of gravity of the beam is a distance of 2.08m down the beam from the pivot. Lighting equipment exerts a downward force of 5.09kN on the lower-left end of the beam.
A) Find the tension T in the cable.
B) Find the vertical component of the force exerted on the beam by the pivot.
C) Find the magnitude of the horizontal component of the force exerted on the beam by the pivot.
An archer shoots an arrow with a velocity of 45.0 m/s at an angle of 50.0° with the horizontal. An assistant standing on the level ground 150 m downrange from the launch point throws an apple straight up with the least initial speed necessary to m..
Cut a 1 cm cube in dimension along the X, Y, and Z axis 10 times and calculate the volume and surface area at each cut.
In one of the original Doppler experiments, a tuba was played at a frequency of 92.0Hz on a moving flat train car, What beat frequency was heard in the station if the train car approached the station at a speed of 7.00m/s
How many liters of gasoline would give the same mechanical energy given that each liter provides 8.50x10^6 J of mechanical energy.
A photon with an initial wavelength of 1.380×10-11 m Compton scatters from an electron which is initially at rest. What is the energy of the outgoing photon
A particle with a charge of 33.2 µC moves with a speed of 61.8 m/s in the positive x direction. What is the direction of the magnetic force on the particle relative to the positive z-axis
A golfer hits a tee shot off of a cliff that is 18.2 m high. If it lands in the fairway a horizontal distance of 270 m from the tee and is in the air for 5.3 seconds, What was the initial velocity of the golf ball
A man pulls a block of mass m = 23 kg up an incline at a slow constant velocity for a distance of d = 5.5 m. The incline makes an angle q = 29° with the horizontal. The coefficient of kinetic friction between the block and the inclined plane is µk..
A 2.3kg wood block is pulled along a wood floor at a steady speed. What is the magnitude of the force pulling on the first block
A current of 1.3 A flows through a 55.8 resistor for 5.2 min. How much heat was generated by the resistor
Two traveling sine waves, identical except for a phase difference of phi, What is the phase difference between the two waves
A shopper in a supermarket pushes a cart with a force of 33 N directed at an angle of 25° below the horizontal. Find the work done by the shopper as she moves down a 44 m length aisle
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