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Batman whose mass is 80 kg is dangling on the free end of a 12 m rope, the other end of which is fixed to a tree limb above. By repeatedly bending at the waist, he is able to get the rope in motion, eventually making it swing enough that he can reach a ledge when the rope makes a 60? angle with the vertical. How much work was done by the gravitational force on Batman in this maneuver.
A person is drinking water from a plastic bottle. When the water level is 6cm from the top of the bottle, the person blows across the top producing a sound
At t=0, a 734 g mass at rest on the end of a horizontal spring (k= 113N/m) is struck by a hammer, Determine the amplitude, maximum acceleration and total energy
A person typically contains 5.0 L of blood of density 1.05 g/ml When at rest, it normally takes 1.0 mint to pump all this blood through the body. What average power does the heart expend in the process
On a pleasure cruise a boat is traveling relative to the water at a speed of 4.94 m/s due south. find the magnitude of the passenger's velocity relative to the water
A cart of mass (851.8 +- 0.1)g is configured in a setup. The tension in the string is 0.36 N and the cart has a displacement of 40.9cm
a diverging lens has a focal length of 50 a source of light is placed 100 cm in front of lens in front of the lens. where will the image be formed
Consider the following two-step process. Heat is allowed to flow out of an ideal gas at constant volume so that its pressure drops from P1 = 2.5atm to P2 = 1.3atm, Calculate the total heat flow into or out of the gas
A child in a boat throws a 5.20 kg package out horizontally with a speed of 10.0 m/s. Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 26.0 kg and that of the boat is 40kg.
The mass of a bottom quark is \(4.2 GeV/c^{2}\), What was the energy of the proton beam and how fast were they moving
A 55 kg block of ice slides down a frictionless ramp that is 2.0 m long and 0.91 m high. Find the force exerted by the worker
A 100.0 m long rod with a diameter of 3.0 mm has a charge of 1032 C. What is the approximate electric field 3 mm from the surface of the rod
Starting from rest, a 6.70 kg object falls through some liquid and experiences a resistive (drag) force that is linearly proportional to the velocity of the object. What is the terminal speed for this object in this liquid
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