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Question: Derive an expression and numerical value for the distance of closest approach of an alpha to a gold nucleus, when the impact parameter is b=0 (i.e., a head-on collision). Use conservation of energy, and take the alpha particle energy to be 6 MeV (1 MeV = 1.602E-13 J). How does this compare with the Bohr radius? Why the difference, if any?
A 1.70 kg block is released from rest and allowed to slide down a frictionless surface and into a spring. The far end of the spring is attached to a wall.
The loop is grasped at points A and B and stretched until its area is nearly zero. If it takes 0.230 s to close the loop, what is the magnitude of the average induced emf in it during this time interval?
The vibrational spectrum of the H2 molecule has lines separated in frequency by 1.3x1014 Hz. determine the maximum length of the bond
A small fly of mass 0.20 g is caught in a spider's web. The web vibrates predominately with a frequency of 6.0 Hz. (a) What is the value of the effective spring stiffness constant k for the web? N/m (b) At what frequency would you expect the web to v..
A tennis ball is hit with a speed of 27 m/s at an angle of 45o. It lands on the flat roof of a 13-m-tall building. What is its velocity at landing
A 2300 kg truck has put its front bumper against the rear bumper of a 2300 kg SUV to give it a push. What is the maximum possible acceleration the truck
the hanging object has a mass of m1 = 0.370 kg; the sliding block has a mass of m2 = 0.780 kg; and the pulley is a hollow cylinder with a mass of M = 0.350 kg, Find the angular speed of the pulley at the same moment
A small block of mass m1 = 0.5kg slides to the left, with a velocity of v1 = -8.40 m/s, towards a curved wedge of mass m2 = 3 kg which sits on an icy, frictionless lake surface.
A concave mirror has a radius of curvature equal to 21 cm. Calculate the magnification for each given object distance
A 10.39-m ladder with a mass of 24.8 kg lies flat on the ground. A painter grabs the top end of the ladder and pulls straight upward with a force of 264 N. What is the net torque acting on the ladder
(a)For a satellite to be in a circular orbit 660 km above the surface of the earth, what orbital speed must it be given (b)What is the period of the orbit (in hours)
An uncharged nonconductive hollow sphere of radius16.0cm surrounds a17.0µC charge located at the origin of a cartesian coordinate system. A drill with a radius of 1.00 mm is aligned along thezaxis, and a hole is drilled in the sphere. Calculate th..
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