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If a material increases it's length from 160m to to 163.20m when it's temperature is raised 160 degrees C, then what is it coefficient of linear expansion?
The pilot of an aircraft wishes to fly due west in a 33.10 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 190 km/h what must its speed relative to the ground be.
A 5 kg mass attached to a horizontal spring is pulled from its equilibrium position by 4 m and let go. find is the maximum velocity of the mass
A 2 kg projectile is fired with an initial speed of 135 m/s at an angle of 68° with the horizontal. At the top of its trajectory, the projectile explodes into two fragments of masses 0.72 kg and 1.28 kg. At 3.8 s after the explosion, the 1.28 kg f..
A spaceship is approaching the earth at a relative speed of 0.85c. The mass of the ship is 1.00 X 107 kg. find the classical momentum of the ship
Two 4.0cm × 4.0cm square aluminum electrodes, spaced 0.70mm apart are connected to a 200Vbattery, What is the charge on the positive electrode
A 38 ohm resistor is made from a coil of copper wire whose total mass is 11.2 g. Find out the length and diameter of the wire.
In one design, a large spring with spring constant 2×10^4 N/m was placed behind the cannon. The other end of the spring braced against a post that was firmly anchored to ship's frame.
When light of a certain waveleght is incident normally on a certain diffraction grating the line of order 1 ia at a diffraction angle 25 Degrees
A wave has angular frequency 140 rad/s and wavelength 1.60 m. Calculate the angular wave number
The potential difference across a coil is 11V at an instant when the current through the coil is decreasing at a rate of 38A/s . What is the coil's inductance
A bicycle and rider have a combined mass of 100 kg. How many calries of heat are generated in brakes when the bicycle comes to a stop from a speed of 36 km/h.
A wheel rotates with a constant angular acceleration of 4.35 rad/s2. Suppose that the initial angular speed of the wheel is 2.99 rad/s. Elucidate through what angle does the wheel rotate after 2.88 s?
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