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When the spin is clockwise from an overhead view, what is the (i) precession rate and (ii) direction of the precession as viewed from the overhead?
The pendulum in an antique clock can be approximated through a thin rod having a coefficient of thermal expansion of 1.90 x 10-5 (C°)-1. At 19.5° C, the period of the pendulum is 1.00 s. Whe
(i) Determine the length of the rod? (ii) Determine the maximum kinetic energy of the rod as it swings?
When you weigh 980 kg on Earth, determine what would you weigh on Jupiter if it had a solid surface? Determine the gravitational acceleration on Jupiter?
When there are spheres of 3.0 kg spread out in 4 corners of a square having 1 meter sides. Determine the total force on any one of the masses?
For a spacecraft going directly from the Earth to Moon, beyond what point will lunar gravity start to dominate? Are the astronauts onboard the spacecraft truly weightless? Explain why or Why not?
Is the gravitational force applied on the Moon by the Earth and the Sun greater throughout a solar eclipse or a lunar eclipse? Explain why? Compute the two forces.
Determine the magnitude of the electric field at the point (7.80 i - 3.40 j + 6.00 k) m when the electric potential is given by V = 4.10xyz2, where V is in volts and x, y, and z are in meters?
Suppose an asteroid's moon is 1.3 km wide, and that its center is 100 km from the center of the asteroid, that is 55 km long. The moon's orbit is circular having a period of 20 h. The volume of ast
Find out the direction of the velocity of the third fragment instantly after the explosion. Find out the energy free in the explosion.
Determine the maximum compression of the spring? Determine the final velocities of the blocks after the collision? Is the collision elastic? Avoid the mass of the spring.
The plane of a rectangular loop of wire having a width of 5.0 cm and a height of 8.0cm is parallel to the magnetic field of magnitude 0.23T. The loop carries a current of 6.9A. i) Determine what tor
Certain neutron stars (very dense stars) are believed to be rotating at around 10 rev/s. When such a star has a radius of 18 km, determine what should be its minimum mass so that material on its sur
The armature of a small generator comprises of a flat, square coil having sides of length L and with N turns. The coil rotates in a magnetic field of magnitude B. Determine the angular speed of the
When the two sides are at different temperatures, determine how might heat transfer from one side to the other? Note that our asteroid doesn’t encompass enough gravity to hold an atmosphere.
A bike tire having a moment of inertia I = 0.35 kg m2 consists of an initial angular speed of 13 rev/s and makes 7.3 revolutions before coming to rest. Determine how long was the tire rotating?
A laser produces a cylindrical beam of light 3.4 mm in diameter having an average power of 3.1 mW. (i) When the laser is shined on a perfectly absorbing surface, determine how much energy does the sur
Both objects were liberated from the similar position at the top of the ramp. When the speed sphere of the solid sphere at the bottom of the ramp was 1.65 m/s, determine what would be the speed cyli
The rotational speed of the automobile engine is raised at a constant rate from 1100 rev/min to 4300 rev/min in 14 s. (i) Determine its rotational acceleration in revolutions per minute-squared?
A light-bulb of 120 W joined to a 120-V source experiences a voltage surge which generates 137 V for a moment. By what percentage does its power output increase? Suppose its resistance doesn’t
A certain waffle iron is rated at 0.58 kW if joined to a 120 V source. (i) Determine current does the waffle iron carry?
Determine the magnetic flux via the coil before it is rotated. Determine the net magnetic flux via the coil after it is rotated?
When free, it starts to rotate about its center having an initial angular acceleration of 7.87×103 rad/s2. Determine the magnitude of the magnetic field
In an experiment performed at the bottom of an extremely deep vertical mine shaft, a ball is tossed vertically in the air having a known initial velocity of 10 m/s and the maximum height the ball re
The light of wavelength 590 nm passes via two narrow slits 0.60 mm apart. Each and every slit is 0.2 mm wide. The screen is 1.7 m away. (i) Determine how far away on the screen is the 4th interferen