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A simple pendulum is made from a 0.51 mlong string and a small ball attached to its free end. The ball is pulled to one side through a small angle and then released fromrest. After the ball is released, how much time elapses before it attains its greatest speed?__________ s
The best leaper in the animal kingdom is thepuma, which can jump to a height of 11.4 ft when leaving the ground at an angle of50°. With what speed, in SI units, must the animal leave the ground to reach that height?
A copper block is removed from a 301?C oven and dropped into 1.20kg of water at 20.1?C. What is the mass of the copper block
A 56-kg student runs at 4.2m/s , grabs a hanging 10.0-m-long rope, and swings out over a lake. He releases the rope when his velocity is zero. What is the angle when he releases the rope
q1. find out a capacitance and b maximum voltage that can be applied to a teflon-filled parallel- plate capacitor
The Kinetic coeffficient of friction for a 12Kg mass on a table is 0.25. A string from the mass goes across a pulley and is attached to an 8.0kg mass hanging over the side of the table. find the magnitude of the acceleration of each mass
1. two cars are traveling along a straight line in the same direction the lead car at 24.0ms and the other car at
a capacitor is charged to a potential of 12.0v and is then connected to a voltmeter having an internal resistance of
A cubical box of widths Lx = Ly = Lz = L = 4.82 nm contains eight electrons. What is the energy of the ground state of this system? Assume that the electrons do not interact with one another, and do not neglect spin.
A 70 kg box is pulled to the left by a 405 N force at an angle of30 degree to the horizontal. Determine the acceleration of the box
a calculate the resistance per unit length of a nichrome wire which has a radius of 0.321 mm. b if a potential
A 50-gram ice cube at -30 degrees celcius is heated until 45g hasbecome water at 100 degree celcius and 5g has become steam at 100degree celcius, how much heat was added to accomplish this
A spherical balloon is made from a material whose mass is 3.00 kg. The thickness of the material is negligible compared to the 1.4 m radius of the balloon. Find the absolute pressure of the helium gas
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