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A block of unknown mass is attached to a spring of spring constant 5.1 N/m and undergoes simple harmonic motion with an amplitude of 15.4 cm. When the mass is halfway between its equilibrium position and the endpoint, its speed is measured to be 38.2 cm/s. Calculate the mass of the block. Answer in units of kg
Angry Bird is launched horizontally with a slingshot with a speed of 6.07 m/s. how far away will the target need to be
You drive 110 km/h east for 35 min, then 83 km/h north for 46 min. Find your average velocity for the entire trip
A siren has a frequency of 875 Hz when it and an observer are both at rest. The observer then starts to move and finds that the frequency he hears is 1251 Hz. What is the speed of the observer
A long straight metal wire of radius r1= 3.10E-2 m is surrounded by a metalic cylindrical shell of inner radius r2= 1.19E-1 m and outter radius r3= 1.81E-1 m. The axes of the wire and the cylindrical shell coincide.
A ranger in a national park is driving at 28.0 mi/h when a deer jumps into the road 225 ft ahead of the vehicle. After a reaction time t, the ranger applies the brakes to produce an acceleration of a = -9.00 ft/s2. What is the most reaction time a..
A simple pendulum has a length of 0.80 m and a bob of mass 0.20 kg. It is initially displaced to an angle of 18 degrees from the vertical, What angle does it make with the vertical
We know that a spherical charged particle of will have an external electric field of E = k q/r2, where k = 8.988×109N·m2·C-2 is the Coulomb constant, q is the charge, and r is the distance from the center of the spherical particle.
Suppose 12.6 g of oxygen gas (O2, 32.0 g/mol) is heated at constant atmospheric pressure from 17.0°C to 110°C. How much energy is transferred to the oxygen as heat
Illustrate the security threats that An industry will face when it implements a wireless network. Suppose that the industry occupies the six middle floors
Two slits separated by 0.0530 mm and located 1.60 m from a viewing screen are illuminated with monochromatic light. Find the separation between adjacent bright fringes
2.0 g of helium at an initial temperature of 300 K interacts thermally with 8.0 g of oxygen at an initial temperature of 600K. What is the initial thermal energy of each
A 300-g mass at the end of an ideal spring vibrates up and down in such a way that it is 2.0 cm above the tabletop at its lowest point and 16 cm above at its highest point. find the speed and acceleration of the mass when it is 12 cm above the tabl..
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