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A projectile is fired from ground level with a velocity of 500 m/s at 30° to the horizontal. Calculate its horizontal range, the greatest height it reaches, and the time taken to rise to that height.
this is modern physics not classical physics.an electron and a proton are each accelerated starting from rest through a
A ray of red light in air (wavelength=650nm) is incident on a semicircular block of clear plastic (n=1.51 for this light), Th ray strikes the block at its center of curvature at an angle of incident of 27 degrees. Determine the wavelength of the l..
The froghopper (Philaenus spumarius), the champion leaper of the insect world, has a mass of 12.3mg and leaves the ground (in the most energetic jumps) at 4.00m/s from a vertical start. Find the force that the ground exerts on the froghopper
At an outdoor market, a bunch of bananas attached to the bottom of a vertical spring of force constant 16.0 N/m, What is the weight of the bananas in newtons
A two-slit pattern is viewed on a screen 1.10 m from the slits. If the two third-order minima are 21.0 cm apart, what is the width of the central bright fringe
Two capacitors C1 = 3.2 ?F, C2 = 13.5 ?F are charged individually to V1 = 19.0 V, V2 = 5.6 V. Calculate the final potential difference across the plates of the capacitors once they are connected
a cessna aircraft has a lift-off speed of 120 kmh.a what minimum constant acceleration does the aircraft require if the
A gasoline engine has a power output of 155kW (about 2.08×105hp ), Its thermal efficiency is 26.0%, How much heat must be supplied to the engine per second
A hiker, who weighs 919 N, is strolling through the woods and crosses a small horizontal bridge. What is the magnitude of the force that a concrete support exerts on the bridge at the near end
A solenoid of length 50 centimeter is made of 11000 circular coils. It carries a steady current of 11 Amp. Find what was the initial flux through small coil
A light ray in air enters a glass slab at point A at incident angle theta1 and then undergoes total internal reflection at point B,. What is the maximum value of theta1if the index of refraction of the glass is 1.4? For the ray of light that goes fro..
a vw beetle goes from 0 to 64.8 mih with an acceleration of 2.34 ms2.a how much time does it take for the beetle to
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