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A block of unknown mass is attached to a spring with aspring constant of 5.00 N/m and undergoessimple harmonic motion with an amplitude of 11.0 cm. When the block is halfway between its equilibrium position and the end point, its speed is measured to be28.0 cm/s.a) Calculate the mass of the block.________________ kgb) Calculate the period of the motion._________________ sc) Calculate the maximum acceleration of the block._________________ m/s2
A plastic plano-concave lens has a radius of curvature of 50 cm for its concave surface. what is the power of the lens
What is the gauge pressure (in kPa) of the air in the tires when its temperature rises to 26.5°C and its volume increases to 1.70 x 10-2 m3? Assume atmospheric pressure is 1.01 x 105 Pa.
In the 1930’s acoustic detection systems able to detect anaircraft at a range of 40.0 km were developed in several countries.The aircraft engines generate a sound intensity level of 95.0 dB ata distance of 10.0 metres from the aircraft, what inten..
A firehose 15 m long is uncoiled by pulling the nozzle end horizontally along a frictionless surface at the steady speed of 2.9 m/s. How much work has been done on the hose by the applied force
A runner, jogging along a straight line path, starts at a position 260 m east of a milestone marker and heads west. After a short time interval he is 120 m west of the mile marker.
A piece of wood with a density of 730 kg/m3 is tied with a string to the bottom of a water-filled flask. What is the volume of the wood
Water enters a pipe with a cross sectional area of 3.0 cm2 with a velocity of 3.0 m/s. What is the cross sectional area of the constricted portion of the pipe
A circuit consists of a 12.0-V battery connected to three resistors (44ohm , 17ohm and 110ohm ) in series. Find the current that flows through the battery.
q1. driving in your car with a constant speed of 13 ms you encounter a bump in the road that has a circular cross
A viewing window on the side of a large tank at a public aquarium measures 41 in. by 46 in. What is the total outward force on the window
Suppose that the voltage of the battery in the circuit is 3.2 V, the magnitude of the magnetic field (directed perpendicularly into the plane of the screen) is 0.65 T, find the maximum speed attained by the rod after the switch is closed
A cylindrical container 1.6 m tall contains mercury to a certain depth d. The rest of the cylinder is filled with water. If the pressure at the bottom of cylinder is two atmospheres, what is the depth d.
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