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1. A mass-spring system oscillates on a horizontal frictionless surface with an amplitude of 3.94 cm. If the spring constant is 253 N/m and the mass is 0.400 kg, determine the mechanical energy of the system.
2. Determine the maximum speed of the mass.
3. Determine the maximum acceleration.
A 65-g ice cube at 0°C is placed in 887 g of water at 25°C. What is the final temperature of the mixture
A helium-neon laser (λ = 632.8 nm) is used to calibrate a diffraction grating. find the spacing between adjacent grooves in the grating
You are in a hot-air balloon that, relative to the ground, has a velocity of 4.65 m/s in a direction due east. find direction of the hawk's velocity relative to the ground
A circuit consists of three resistors (R1=29 , R2=14 , R3=41 ) and a battery(37 V). What is the current coming from the battery
An electron and a positron have masses of 9.11 10-31 kg. They collide and both vanish, What is the energy of the electromagnetic radiation
You are driving north on 107th Avenue at a speed of 31.2 mph. At what frequency do you hear the siren
When the power is turned off on a turntable spinning at 67.0 rpm, you find that it takes 13.0 revolutions for it to stop while slowing down at a uniform rate. What is the angular acceleration (in rad/s^2), of this turntable
a plane convex lens made of glass n 1.50 with one flat surface and the other having a radius of 20 cm. what is the
A spherical weather balloon is filled with hydrogen until its radius is 3.10 m. What is the net force acting on the balloon and its instruments after the balloon is released from the ground?
A crate of 48.0 tools rests on a horizontal floor. You exert the gradually increasing horizontal push on it and observe that the crate just begins to move while your force exceeds 344. After that you must reduce your push to 260 to keep it moving at ..
A toroidal inductor with an inductance of 87.0 mH encloses a volume of 0.0200 m3. what is the current through the inductor
Boat A negotiates a curve whose radius is 363m. Boat B negotiates a curve whose radius is 110m. Each boat experiences the similar centripetal acceleration. What is the ratio of speed of boat A to that of boat B.
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