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A particle of mass 1 kg is executing simple harmonic motion of amplitude 15 cm with a frequency 60Hz. Find the velocity when the particle is at a distance of 5cm from equilibrium position and the energy at a distance of 5 cm from equilibrium position.
What is the resistance of a light bulb that uses an averagepower of 90 W when connected to a 60Hz power source with a peak voltage of 170 V
A 32 ohm resistor is connected to four 1.5 Volt batteries. Find the joule heat loss per minute in the resistor if the batteries are connected in series
An electron and a proton are accelerated starting from rest through a potential difference of 10 million volts. Find the momentum (in MeV/c) and the kinetic energy (in MeV) of each
Biological muscle cells can be thought of as nanometres that utilize the chemical energy of ATP to produce mechanical work. Measurements show that the active proteins within a muscle cell (such as myosin and act in) can produce a force of about 7.5 p..
A block is connected among two springs on a frictionless, horizontally level track. The other end of each spring is respectively anchored to a vertical pin set at opposite ends of the track.
Explain the scientific and technical concepts related to nuclear medicine. Consider the following questions when you construct your response:
A metal wire has a resistance of 10.00? at a temperature of 20.0°C. If the same wire has a resistance of 10.55? at 90.0°C, what is the resistance of this same wire
Chicago is located at 37.5 degrees north of the equator. What is chicagos linear velocity due to the Earth spinning on its axis
Calculate the electrical energy utilized by a household whose monthly electrical bill is $44, computed at the rate of $0.07 per kWh. How long could this energy be used to burn ten 12 W light bulbs?
Ben Ren and Vectra Rey are talking to their friend BB King are sitting at rest on a bench in the park feeding pigeons. Ben and Vectra are arguing about the forces on BB. Ben says, "Clearly BB is simply sitting there doing nothing as usual. Therefore ..
A ladder of length L = 2.5 m and mass m = 15.0 kg rests on a floor with coefficient of static friction ?s = 0.57. Assume the wall is frictionless. What is the minimum angle to keep the ladder from sliding
In a ballistics test at the police department, Officer Rios fires a 6.0gram bullet at 350m/s in to a container that stops it in 1.8milliseconds. What is the average force acting on the bullet
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