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A rock is thrown from the roof of a building, with an initial velocity of 10.0 m/s at an angle of 30.0 ° above the horizontal. The rock is observed to strike the ground 43.0 m from the base of the building. What is the height of the building?
1.76- block at rest on a ramp of height. While the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width 12.0 that has a coefficient of kine..
The beam emerging from a ruby laser (wavelength 694.3 nm) passes through a circular aperture 4.7 mm in diameter. If the spread of the beam is limited only by diffraction, what is the angular speed of the beam
A simple pendulum has a mass of 0.150 kg and a length of 3.00 m. It is displaced by an angle of 12.0° and then released. What is the utmost speed?What is the maximum angular acceleration?What is the maximum restoring force.
Suppose your 50.0 mm focal length camera lens is 53.5 mm away from the film in the camera. How far away is an object that is in focus
A 3 kg block moves down a hill that makes a 40° angle with the horizontal direction. Ignoring friction and assuming g=10 m/s2, what is the magnitude of the acceleration of the block?
An alpha particle (the nucleus of a helium atom formed by 2 protons and 2 neutrons with charge q = +2(1.6 x 10-19 C), Calculate the acceleration of the alpha particle
Analyze various philosophical approaches for ethical decision making, and the effectiveness and limits of each approach for making ethical choices and
A hotel elevator ascends 190 m with a least speed of 4.0 m/s. Its acceleration and deceleration both have a magnitude of 1.4 m/s2.
Three deer, A, B, and C, are grazing in a field. Deer B is located 63.4 m from deer A at an angle of 53.0 ° north of west. What is the distance between deer A and C
The intensity I of light from an isotropic point source is determined as a function of distance r from the source. What is the power of the source
A cube of iron, of side length 14cm, is heated from 10?C to 90?C; Calculate the total work done ON the cube and the change in internal energy of the cube
A circular wire loop of radius 19.1 cm carries a current of 3.62 A. What is the magnitude of the torque acting on the loop
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