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A horizontal slingshot consists of two light, identical springs (with spring constants of 90 N/m) and a light cup that holds a 1-kg stone. Each spring has an equilibrium length l0 = 46 cm. When the springs are in equilibrium, they line up vertically. Suppose that the cup containing the mass is pulled to x = 0.6 m to the left of the vertical and then released.
(a) Determine the system's total mechanical energy.
(b) Determine the speed of the stone at x = 0.
In a diesel engine, the piston compresses air at 302 K to a volume that is 0.0623 of the original volume, What is the temperature of the air after the compression
An object fired at an angle of 39 degrees above horizontal takes 1.10 s to travel the last 12.5 m of its vertical distance, determine With what velocity was the object launched
An elvator can carry a max load of 1600kg is moving up with a constant speed of 2 m/s. The frictional force opposing the motion is 3320N. Determine the max power delivered by the motor to the elvator in HP.
A diving bell with interior air pressure equal to atmospheric pressure is submerged in Lake Michigan at a depth of 180.5 m. find the magnitude of the net force on the viewing port
A hiker is wearing wool clothing of 0.40 cm thickness to keep warm. Her skin temperature is 39° C and the outside temperature is 8.0° C. what is the rate of heat conduction through her clothing
Light from a sodium lamp with a wavelength in a vacuum of 590 nm enters diamond in which the speed of light is 1.24 108 m/s. What is the wavelength of this light in diamond
How much work is done by the outside force in moving the particle from A to B?
1. List real-life communications systems that use the wideband modulations. 2. Explain the reasons in which binary RF digital modulations are more power efficient than M-ary binary digital modulations.
The water molecule H2O, with a permanent dipole moment of magnitude of 6.2x10^-30 Cm, What force does the ion exert on the water molecule
What is the maximum speed with which a 1350kg car can round a turn of radius 71m on a flat road if coefficient of static friction between tires and road is 0.40.
Your little brother is sitting in a wagon playing with his toys. what was the velocity of the football when you threw it towards your brother
A spring with constant k=30N/m is used to shoot a block (mass 1kg) across a frictional horizontal surface. what is the force of friction acting on the block
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