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Problem: A 1.00 kg block is attached to a spring with spring constant 13.5 N/m . While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 33.0 cm/s. What is the block's speed at the point where x= 0.450 A? Please provide the authentic solution of this problem.
A beam of neutrons that all have the same energy scatters from the atoms that have a spacing of 9.30×10^?2nm in the surface plane of a crystal
A bullet is fired horizontally from a 100 m, t all building with a speed of 900 m? How long will it take to hit the ground?
A 2.50-kg ball, moving to the right at a velocity of +3.83 m/s on a frictionless table, collides head-on with a stationary 8.10-kg ball. Find the final velocities of (a) the 2.50-kg ball and of (b) the 8.10-kg ball if the collision is elastic. (c) Fi..
Two large metal plates are parallel to each other and separated by 2 cm. they are connected to a 120 V battery. What is the speed of the electron just before it hits the positive plate
An aluminum rod is 18.0 cm long at 20°C and has a mass of 350 g. If 15,000 J of energy is added to the rod by heat, what is the change in length of the rod
What are the (a) magnitude and (b) direction (up or down) of the vertical force on the firefighter from the pole and the (c) magnitude and (d) direction of the vertical force of the pole on the firefighter?
The electric field within the capacitor has avalue of 170N/C, and each plate has an area of 7.5x10^-4m^2. What is the magnetic force (magnitude and direction) exerted on the positive plate of the capacitor?
A tow truck pulls a car 5.00 \rm km along a horizontal roadway using a cable having a tension of 850 \rm N. How much work does the cable do on the car if it pulls horizontally
An ultrasonic transducer, of the type used in medical ultrasound imaging, is a very thin disk (m = 0.14 g) driven back and forth in SHM at 1.1 MHz by an electromagnetic coil.
Explain how insulin affects the rate of hepatic gluconeogenesis by way of its indirect effect on the transcription factor FOXO1.
A wire carrying a 2A current is placed at an angle of 60 degrees with the respect to a magnetic field of strength 0.2T. obtain the magnitude of the magnetic force acting on the wire
An explorer in Antarctica leaves his shelter during a whiteout. What is the magnitude of the displacement that will return the explorer to his shelter
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