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On it is resting half of an identical beam, as shown in the figure attached. What is the vertical support at the right end. How about at the left end?
If a 0.15 kg mass is suspended 75 cm from the pivoted end, what is the tension in the string?
Calculate the potential and kinetic energy of the system at t = T/6.What is the speed of the mass when it is 13 cm from equilibrium?
Assume L1 = 30.6 cm, L2 = 7.90 cm, L3 = 15.0 cm, L4 = 5.00 cm, L5 = 16.9 cm and L6 = 5.00 cm. (Neglect the weights of the crossbars.)
Find the maximum weight W_max of the cat such that the table does not tip over and break the vase.
If the mass in letter c is 0.74 kg, what is the spring's potential energy to the nearest tenth of a joule?
The crane is pivoted with a frictionless pin at A and rests against a smooth support at B. Find the reaction forces at A and B.
A loaded flat bottom barge floats in fresh water. The bottom of the barge is 4.06m below the water line.
A small plastic ball of mass 6.39 x 10-3 kg and charge +0.164 C is suspended from an insulating thread and hangs between the plates of a capacitor
With the measured directions for the first and second quadrant forces, and the magnitude of the force measurement along the negative y direction.
In the figure, a 6.00-m-long, uniform beam is hanging from a point 1.00 m to the right of its center.
A 75 g bungee cord has an equilibrium length of 1.20 m. The cord is stretched to a length of 1.80 m, then vibrated at 20 Hz.
A steel wire (8 m long and 60 g mass) is clamped between two parallel walls. Two equal masses are hung from the wire at equal distance from each end.
A helium filled balloon is attched to a 2 meter long, 0.050 kg string. The ballon is spherical with a radius of 0.40 m.
What are the energies of the four lowest vibrational states of these ions?Suppose this crystal consists of aluminum ions with an equilibrium spacing of 0.30 nm.
The weight is evenly distributed and each spring scale reads 2.4 N. With this information and the conditions of static equilibrium.
A 2.00 kg block is held in equilibrium on an incline of angle = 70° by a horizontal force applied in the direction shown in Figure.
Show that after the force is removed, the displacement of the mass from its equilibrium position (x=Xe, where x is down) is:
The figure shows a child's toy, which has the shape of a cylinder mounted on top of a hemisphere.
Write down the condition that determines l1. Suppose now that the spring is stretched a further distance x beyond its new equilibrium length.
A scale is attached to the ceiling and a mass of 1.00 kg hangs from it. It reads 9.81 N. Another identical scale at the right is connected by perfect strings.
Radio engineers are erecting a communications tower that is 16.0 m high. During the installation they stabilize the tower with 32.0 m long cables.
If two particles have equal kinetic energies, does that mean that they must have equal momenta? Explain.
She decides to sacrifice one of her 0.5 kg shoes and throws it horizontally at 5 m/s. How long does it take her to reach the shore?
The motion is simple harmonic motion, and it takes 1.98 s to complete one cycle. The height of each bounce above the equilibrium position is 54.0 cm.