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1. It takes 23 hours 56 minutes and 4 seconds for the earth to make one revolution (mean sidereal day). What is the angular speed of the earth?
2. Assume the earth is spherical. Relative to someone on the rotation axis, what is the linear speed of an object on the surface if the radius vector from the center of the earth to the object makes an angle of 76.0° with the axis of rotation. The radius of the earth is 6.37×103 km.
3. What is the acceleration of the object on the surface of the earth in the previous problem?
The cannonball is fired at a speed of 53.0 and an angle of 31 above horizontal. A cannonball that was accidentally dropped hits the moat below in 1.40. How far from the castle wall does the cannonball hit ground.
In a Young's double-slit experiment, the 7th dark fringe is located 0.029 m to the side of the central bright fringe on a flat screen, What is the wavelength of the light being used
A 0.15 kg ball is placed in a shallow wedge with an opening angle of 150.For each contact point between the wedge and ball, find out the force exerted on the ball. Assume the system is frictionless.
An air-filled parallel plate capacitor with a plate spacing of 1.50 cm has a capacitance of 7.20 ?F. Calculate the dielectric constant of the inserted material
Two resistors A and B are connected in series to a 9.0 V battery; the voltage across resistor A is 6.0 V. What are the resistances of A and B
Determine the efficient spring constant of the molecule
An 8cm^3 ice cube is floating in a 10x10x10 cm glass container completely filled with water, How much water is going to spill over when the ice melts
A 2m long pendulum with a mass of 250gr collides with a 95gr sticky ball seating in the pendulum's path and at the edge of a horizontal surface. The collision takes place while the pendulum is passing by its lowest point.
A high-speed photograph of a club hitting a golf ball. The club was in contact with a ball, initially at rest, for about 0.0028s. If the ball has a mass of 55 g and leaves the head of the club with a speed of 1.8 102 ft/s, find out the average forc..
a ball of mass 1.00kg moves due east at 3.00 m/s. a ball of mass 2.00 kg moves due south at 2.00 m/s. they collide at the origin. what is the final velocity of the other ball
How much work did movers do (horizontally) pushing a 150-{rm kg} crate 10.6 m across a rough floor without acceleration, if the effective coefficient of friction was 0.50.
The resistance of a conductor is 19.2 ohms at 1.50 degress C and 25.0 ohms 91.0 degress C. What is the temperature coefficient of the resistance
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