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The nucleus of the hydrogen atom has a radius of about 1.1x10^-15 The electron is at a distance of about 5.29 Ã- 10-11 m from the nucleus. Assuming the hydrogen atom is a sphere with a radius of5.29x10^-11 m, find
(a) the volume of the atom,
(b) the volume of the nucleus, and
(c) the percentage of the volume of the atom that is occupied by the nucleus.
A 0.46 kg block slides across a tabletop with initial velocity of 3.1 m/s, Find the average friction force that retarded its motion
A 28.9-g bullet is fired from a rifle. It takes 3.86 × 10-3 s for the bullet to travel the length of the barrel, find the average net force exerted on the bullet
A 1.67 m tall person lifts a 2.34 kg book from the ground so it is 2.22 m above the ground. Calculate the work done by the person
Here is a demonstration Pascal used to show the importance of a fluid's pressure on the fluid's depth, What was the weight of the water in the tube
A particle with charge ?2 µC is located on the x-axis at the point 4 cm, What is the magnitude of the total electrostatic force on a third particle with a charge of -2 µC placed on the x-axis at -2 cm
At what angle of incidence will green light (g = 560 nm) be most strongly reflected? Imagine the film has the minimum thickness that can produce these reflections.
A generator connected to an RLC circuit has an rms voltage of 130V and an rms current of 33mA, what is the inductive reactance of the circuit
A loudspeaker of mass 24.0 {rm kg} is suspended a distance of h = 1.40 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.70 {rm m}.
An airplane propeller is rotating at 1250rpm. Compute the propeller's angular velocity
A circular saw blade rotating at 15 rev/sec is brought to a stop in 125 revolutions. what is the size of the angular acceleration experienced
A cannon ball is fired horizontally with a velocity of 600 m/s from the top of a cliff 1000 m high.
A 60-kg basketball is dropped out of a window that is 6.1m above the ground. The ball is caught by a person whose h&s are 1.5m above the ground. Find gravitational potential energy of the ball.
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