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If the distance from the Sun varied during our asteroid's orbit, would its kinetic energy change? Would its potential energy change? Would the total energy (sum of kinetic and potential energy) of the asteroid change?
An electron moving in one dimension is confined between two walls seperated by a distance L = 10^-10 m. What is the average force that the electron exerts on the walls
The fundamental and first overtone for 14N16O are centred at 1876.06 cm 1 and 3724.20 cm 1 respectively. Evaluate the equilibrium vibration frequency
An 80 kg person climbs a set of stairs that are 5 meters high. How much gravitational potential energy does she gain
Algol consists of a 3.7 MSun main-sequence star and a 0.8 MSun subgiant. Why does this seem surprising, as a minimum at first.
Consider the mass spectrometer shown schematically in the figure below. The electric field between the plates of the velocity selector is 2100 V/m, Calculate the radius r of the path for a singly charged ion with mass m = 2.29 10-26 kg
A wire is formed into a circle having a diameter of 10.6 cm and is placed in a uniform magnetic field of 2.73mT. Find the maximum torque on the wire
Two very small spheres are initially neutral and separated by a distance of 0.55 m. find Is the force attractive or repulsive
An electron accelerated from rest through the voltage of 500V enters a region of constant magnetic field. If the electron follows a circular path with a radius of 17cm, what is the magnitude of magnetic field.
A ball of mass 0.40 kg has a kinetic energy of 28.8 J. What is the magnitude of the linear momentum of the ball
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +4q. Sphere B carries a charge of -9q. What is the total charge on the three spheres before they are allowed to touch each other
Assume the intensity of solar radiation incident on the cloud tops of the Earth is 1 518 W/m2. (a) Taking the average Earth–Sun separation to be 1.496 1011 m, calculate the total power radiated by the Sun. W (b) Determine the maximum value of the ele..
Two astronauts, each having a mass M are connected by a length of rope of length d have a negligible mass. They are isolated in space, What is the final angular speed of the astronauts
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