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A 5 kg block is placed near the top of a frictionless ramp, which makes an angle of 30o degrees to the horizontal. A distance d = 1.3 m away from the block is an unstretched spring with k = 3000 N/m. The block slides down the ramp and compresses the spring.
Find the maximum compression of the spring.
A charge of 3.0 x 10^8 C exerts a force of 0.045 N on a charge of 5.0 x 10^-7 C. How far apart are the charges
q1. a 10.4-kg cylinder rolls without slipping on a rough surface. at an instant while its center of gravity has a speed
The output from a one curie Co60 source is 1.25 R/hr at one meter. What is the radiation intensity at three meters from a 4 Curie source
A cube of ice is taken from the freezer at -9.4°C and placed in a 94 g aluminium calorimeter filled with 315 g of water at room temperature of 20°C. The final situation is observed to be all water at 19°C. What was the mass of ice cube.
A railroad car of mass 2.44 104 kg, is moving with a speed of 3.96 m/s. It collides and couples with three other coupled railroad cars, What is the speed of the four cars after the collision
A 115-? resistor, a 64.6-mH inductor, and a 190-?F capacitor are connected in series to an ac generator. At what frequency will the current in the circuit be a maximum
A uniform disk of mass 0.72 kg and radius 5.3 cm is mounted in the center of a 10 cm axle and spun at 717 rev/min. find the magnitude of the angular velocity of precession
A fugitive tries to hop on a freight train traveling at a constant speed of 5.4m/s . Just as an empty box car passes him, What is the distance traveled to reach the box car
A golf ball rolls off the top of a flight of concrete steps of total vertical height 2.40m. what is the bounce height on the fourth bounce
When a battery is connected to the plates of a 2.00-µF capacitor, it stores a charge of 30.0 µC. What is the voltage of the battery
An electron in the n = 6 state of a hydrogen atom makes a transition to the n = 3, What is the wavelength of the photon emitted
An ultracentrifuge having a diameter of 17.3 cm produces an extremely large acceleration of 2.71E+5 m/s2. estimate the angular speed of the centrifuge
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