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One car has two times the mass of a second car, however only half as much kinetic energy. If both cars raise their speed by 9.1 m/s, they then encompass the similar kinetic energy. Determine the ori
In the alternating current circuit, voltage E is provided by E=IZ, where I is current (in A) and Z is impedance (in ohms). If I = .728-.462j amperes and Z = 210 140j ohms, determine complex number r
If pulling a log up the hill, rope stays parallel to the surface of the hill and the acceleration of the log is never more than 0.6 m s-2. Determine the max tension on the rope?
If the plates are illuminated having monochromatic light from above, the reflected light has 85 dark fringes. Compute the number of dark fringes which appear when water (n=1.33) replaces the air amo
Let u1,u2,...,u6 be centers of sub-intervals. Calculate f(u1),...,f(u6), and use the values to find area under curve. b. Partition interval into 12 sub-intervals.
An oscillating LC circuit includes of a 111 mH inductor and a 2.99 µF capacitor. When the maximum charge on the capacitor is 3.43 µC, determine (i) the net energy in the circuit and (ii)
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
Explain the observations. Graph function, along with line equations of evaluated tangents through points (c1,f(c1)) and (c2,f(c2)).
(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?
The machine should extert 200 lbs force to prevent the boulder from rolling down the hill. a. If boulder weighs 500 lbs, find hill's incline angle? b. If boulder weighs 1000 lbs, find hill's incline
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?
If elliptical pattern of the whispering gallery is 92 feet long by 58 feet wide, how far from whisperer at 1 focus is listener at other focus?
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.
Dish antennas have the parabolic cross-section. This concentrates signals onto the sensor at focus of parabola. The dish antenna is 1 m wide and 20 cm deep. How far from bottom of the dish must sens
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
Find equation of the parabola which estimates shape of Gateway arch? Suppose that origin of coordinate system is at ground level midway between legs of arch. Write equation in standard form.
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