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A wrecking ball (weight = 4800 N) is supported by a boom, which might be assumed to be uniform and has a weight of 3200 N. As the drawing shows, a support cable runs from the top of the boom to the tractor. The angle among the support cable and the horizontal is 32°, and the angle among the boom and the horizontal is 48°.
a) Discover the tension in the support cable.
b) Find the magnitude of the force exerted on the lower end of the boom by the hinge at point P.
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit agojf ball with a 26 iron. For how much more time was the ball in flight
q1. a ball is dropped from rest at a height of 80 m above the ground.a. what is its speed as it hits the ground?b. how
There are two forces on the 2.13 kg box in the overhead view of the figure but only one is shown. For F1 = 26.7 N, a = 14.5 m/s2, and ? = 31.1°, find the second force in unit-vector notation
an object hangs from a spring balance. the balance registers 31 n in air 21 n when this object is immersed in water and
A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 10.9 m/s due north relative to the water. If the river is 362 m wide, explain how far downstream is the boat when it reaches the north shore?
3 objects are connected on an inclined table with the masses of 8.0kg, 4.0kg and 2.0kg and the pulleys are frictionless. determine the acceleration and direction of the motion of the system
Traumatic brain injury such as concussion results when the head undergoes a very large acceleration. Calculate the magnitude and duration of the acceleration
A 5m length of wire cariying a current of 5A lies on a hoizontal table with a rectangular top of dimensions 3.00m x 4.00m. What magnetic force acts on this segment of wire
Given that the current, natural abundance of U-235 is .72 atom-percent, and neglecting U-234 content of uranium, how long ago was the abundance of U-235 equal to 4 atom-percent?
Ceres, the smallest identified dwarf planet in the Solar System, has a radius R = 480 km and an acceleration due to gravity on its surface of magnitude g = 0.27 m/s2. Use these numbers to calculate the escape speed from the surface of Ceres.
a batter hits a baseball 2.00 ft above the ground towards 3rd base. if the ball takes 0.52 s to get to the 3rd baseman
A 25 kg cannon shell is subjected to a constant acceleration of 1200 g while in the cannon barrel. What force is the burning propellant exerting on the shell?
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