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Plane and The Wind Vectors and Projectiles
Suppose the three planes within the animation below. Every plane is heading south along with a speed of 100 mi/hr. Every plane flies amidst a wind that blows at 20 mi/hr. Here in the first case, the plane encounters a tailwind (from behind) of 20 mi/hr. The joint effect of the tailwind and the plane speed gives a resultant velocity of 120 mi/hr. In another case, the plane encounters a headwind (from the front) of 20 mi/hr. A combined effect of the headwind and the plane speed gives a resultant velocity of 80 mi/hr. In the third case, the plane encounters a crosswind (from the side) of 20 mi/hr. A combined effect of the headwind and the plane speed gives a resultant velocity of 102 mi/hr (directed at an 11.3 degree angle east of south).
What is the change in temperature of water after falling over a 50.0-m-tall waterfall? Suppose that the water is at rest just before falling off and just after it reaches the b
Dulong-Petit law (P. Dulong, A.T. Petit; 1819) The molar heat capacity is around to equal to the three times the ideal gas constant: C = 3 R.
A single-phase transformer has 2400 turns on the primary and 600 turns on the secondary. Its no-load current is 4A at a power factor of 0.25 lagging. Suppose the volt drop
LENZ’S LAW A change of flux in a closed circuit induces an emf and sets up a current. The direction of this current is such that its magnetic field tends to oppose the c
Give the conditions needed for production and observation of interference pattern?
An electric bulb is rated 220 V and 100 W.When it is operated on 110 V, the power consumed will be. Ans) P=V*I I will be same in both cases so P1=V1*I P2=V2*I Dividing both equati
Q. What is efficiency of a transformer? Efficiency of a transformer is described as the ratio of output power to the input power. η= output power / input power
What is Parallel-Plate Capacitor Parallel-Plate Capacitor: Device used to keep electrical potential energy and charge. It having of two conducting sheets with equal and oppos
P-N junction is (A) A rectifier. (B) An amplifier. (C) An Oscillator. (D) A Coupler. Ans: P-N junction is a rectifier.
Three equal weights A, B, C of mass 2 kg each are hanging on a string passing over a fixed frictionless pulley as shown. Tension in the string connecting weights B and C is approxi
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