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An electron is trapped somewhere in a molecule which is 5.8nmlong. Calculate the minimum kinetic energy of the electron.
A tall, slender drinking glass with a thin base is initially empty. Where is the center of mass of the glass
A 2.83-kg object is thrown vertically upward from the surface of Mars, where the acceleration due to gravity is g1 = 3.71 m/s2. The initial velocity is v1, and the object reaches a maximum height of y1.
Vector has a magnitude of 192 units and points 39.0 ° north of west. Vector points 64.0 ° east of north. Vector points 12.0 ° west of south. These three vectors add to give a resultant vector that is zero. Using components, find the magnitudes of (a)..
A stone is thrown horizontally at 65.0 from the top of a very tall cliff. Calculate its horizontal position and vertical position at 2.00 intervals for the first 10.0. Calculate the horizontal and vertical positions at time = 2 .
A uniform electric field of magnitude 271 V/m is directed in the negative x direction. A +12.7 ?C charge moves from the origin to the point (x, y) = (15.5cm, 46.0 cm). What was the change in the potential energy of this charge?
By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, find the masses of pieces 1 and 2
the center of a 1.50 diameter spherical pocket of oil is 1.00 beneath the Earth's surface.Estimate by what percentage directly above the pocket of oil would differ from the expected value of for a uniform Earth?suppose the density of oil is 8.10^2 ..
A standard 1 kilogram weight is a cylinder 44.0 mm in height and 40.0 mm in diameter. What is the density of the material
Calculate the net work done by the force of friction. A 1.50 m-long, 530 g rope pulls a 7.00 kg block of ice across a horizontal, frictionless surface. The block accelerates at 1.90 {rm m}/{rm s}^{2}. How much force pulls forward on (a) ice (b) rop..
The flywheel in a car is a solid cylinder with a mass of 100 kg, a radius of 11 cm, and a length of 5.0 cm. What is the kinetic energy of the cylinder
Disscus how the conservation of energy law explain whys the temperature of a gas increases when it is quickly compressed, whereas the temperature decreases when the gas expands.
Planet-X has a mass of 5.28×1024 kg and a radius of 7870 km. What is the First Cosmic Speed i.e. the speed of a satellite on a low lying circular orbit around this planet? (Planet-X doesn't have any atmosphere.
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