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Problem: In a ballistic pendulum experiment, a small marble is fired into a cup attached to the end of a pendulum. If the mass of the marble is 0.0255 kg and the mass of the pendulum is 0.250 kg,
Part A: How high will the pendulum swing if the marble has an initial speed of 5.65 m/s?
I need help to solve the above question and assume that the mass of the pendulum is concentrated at its end.
A step down transformer (turns ratio 1:8) is utilized with an electric train to reduce the voltage from the wall receptacle to a value required to operate the train, when the train is running, the current in the secondary coil is 1.6A. What is the cu..
In outer space, far from other objects, block 1 of mass 30 kg is at position m, and block 2 of mass 1350 kg is at position m. What is the (vector) gravitational force acting on block 2 because of block 1? It helps to make a sketch of the situatio..
An arrow of mass 20 g is shot horizontally into a bale of hay, striking the hay with a velocity of 60 m/s. It penetrates a depth of 20 cm before stopping. What is the average stopping force acting on the arrow?
A volleyball play jumps into the air by first lowering his body by. .4 m and then accelerating by straightening his legs rapidly. what is the force exerted by his feet on the floor
On a workday the average decibel level of a busy street is 69 dB, with 102 cars passing a given point every minute. If the number of cars is condensed to 39 cars every minute on a weekend, what is the decibel level of street.
A circuit consists of two 2.37?k? resistors in series with an ideal 9.00?V battery. Calculate the current flowing through each resistor
A radioactive material produces 1200 decays per minute at one time, and 6 h later produces 300 decays per minute. What is its half-life?
A flywheel rotates with an angular speed of 22 rev/s . As it is brought to rest with a constant acceleration, it turns 46 rev. What is the magnitude of the angular acceleration
A telescope is used to observe two distant point sources transversely 2.45m apart with light of wavelength 596nm. What is the maximum distance in meters at which the two sources may be distinguished if the resolution is diffraction limited
A charge of 18.0?C is held fixed at the origin. If a -6.50?C charge with a mass of 3.00g is released from rest at the position (0.925 m, 1.17 m), what is its speed when it is halfway to the origin
In a Young's double-slit experiment, the seventh dark fringe is located 0.029 m to the side of the central bright fringe on a flat screen, which is 1.0 m away from the slits. The separation among the slits is 1.5x10-4 m. What is the wavelength of the..
A person who is nearsighted has a far point of do = 4.8 m. Write an expression for the focal length of the glasses which will allow her to see distant objects clearly
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