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Doubling the total energy of a particle: (a) Does not affect its momentum (b) quadruples its momentum (c) more than doubles the momentum (d) doubles its momentum (e) less than doubles its momentum I know the answer is (c) but what equation is used to get to this conclusion?
Inside the house where the temperature is 20C, we measure the length of an aluminum rod with a micrometer made of steel, find the length of the cold rod according to the cold micrometer
The dipole moment of the water molecule is 6.1 * 10^-30 C * m. In an electric field, a molecule with a dipole moment will tend to settle into an equilibrium orientation such that the dipole moment is parallel to the electric field
A firm wants to determine the amount of frictional torque in their current line of grindstones, find the frictional torque exerted on the grindstone
Two polarizers are out of alignment by 22.1°. If light of intensity 1.00 W/m2 and initially polarized halfway between the polarizing angles of the two filters passes through the two filters
A three-step cycle is undergone by n moles of an ideal diatomic gas: (1) the temperature of the gas is increased from T_1 to T_2 at constant volume, compute the efficiency of the cycle in terms of T_1 and T_2
Projectile is fired with launch angle of 60.0 degrees with a speed of 100.0 m/s at t = 0. (assume no air friction), How far from the launch point does the projectile hit the ground
An object, mass 2.96kg, moves in a horizontal circle with a radius of 3.8m. The object has the intial velocity of 32.6 m s-1. If the kinetic coefficient of friction between the object and the surface is 0.31, then number of completed revolutions (..
A person pushes a 16.0 kg shopping cart at a constant velocity for a distance of 30.0 m. She pushes in a direction 26.0° below the horizontal. Determine the work done by the gravitational force
q1. a cord is used to vertically lower an initially stationary block of mass m kg at a constant downward acceleration
A solid disk of mass M and radius R is pivoted so that it can rotate about its center. The disk is initially at rest. A ball of mass m and speed v travels along a path tangential to the rim of the disk.
Two uniform infinite sheets of electric charge densities 41.0 C/m2 and -41.0 C/m2 intersect at a right angle
Although there are a lot of ways to detect planets, can someone further expand on the techniques and methods used to determine the composition of planets detected outside the solar system ?
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