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A bullet with mass 5.06 g is fired horizontally into a 2.038-kg block attached to a horizontal spring. The spring has a constant 5.58 102 N/m and reaches a maximum compression of 5.89 cm.
(a) Find the initial speed of the bullet-block system. (m/s)
(b) Find the speed of the bullet. (m/s)
Two particles with masses 2m and 5m are moving toward each other along the x axis with the same initial speed, Find the final speeds of the two particles after the collision
Squaw Valley ski area in California claims that its lifts can move 48300 people per hour. estimate the maximum total power needed
A satellite with mass 2200kg is initially in a circular orbit a distance 325km above the earth's surface. Due to air drag, the satellite's altitude decreases to 250km. Calculate the change in gravitational potential energy
A 0.30 kg mass is suspended on a string. In equilibrium the mass stretches the spring 2.0 cm downward. Calculate the total energy of the system
A 4.85 μF capacitor is initially charged to a potential of 16.4 V. It is then connected in series with a 3.85 mH inductor. What is the total energy stored in the circuit
A shell is fired at an angle of 20 degree above the horizontal at a velocity of 200 m/s a) what is the range. b) What is its velocity at highest point of the trajectory.
A person blows into a rubber tube connected to one arm of a manometer containing glycerin of relative density 1.260. what is the gauge pressure of the air in the person's lungs
A bob of mass m = 0.300kg is suspended from a fixed point with a massless string of length L = 21.0cm, What tangential speed v must the bob have so that it moves in a horizontal circle with the string making an angle 24.0
A concave shaving mirror has a focal length of 33 cm. Calculate the image position of a cologne bottle placed in front of the mirror at a distance of 93 cm. how large it is with respect to the object
In a student experiment, a constant-volume gas thermometer is calibrated in dry ice (?78.5°C) and in boiling pentane (36.1°C). What pressure would be found at the boiling point of water
A damped mass-spring system oscillates at 140 Hz. The time steady of the system is 2.0 s. At t = 0, the amplitude of oscillation is 8.6 cm and the energy of the oscillating system is after that 86 J.
A pipe with a diameter of 1m carries water at a pressure of 1000kPa and a speed of 6m/s. what will the pressure and speed be in the smaller diameter section of pipe
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