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On an airplane's takeoff, the combined action of the air around the engines and wings of an airplane exerts a 8360 N force on the plane, directed upward at an angle of 56.0° above the horizontal. The plane rises by constant velocity in the vertical direction while continuing to accelerate in the horizontal direction.
1) What is the weight of the plane?
2) What is its horizontal acceleration?
A metal ball of mass 0.66 kg with initial temperature of 30oC is dropped in to a container of 1.08 kg of water at 20oC. If the final temperature is 20.4 oC, what is the specific heat of the metal to the nearest tenth of aJ/kg·K?
q1. a meterstick is at rest in an inertial frame s2. if s2 moves with a speed of 0.7c with respect to a rest frame s1
A small sphere of mass m = 6.10 g and charge q1 = 29.2 nC is attached to the end of a string and hangs vertically. A second charge of equal mass and charge q2 = 58.0 nC is located below the first charge a distance d = 2.00 cm below the first charg..
The plates of a spherical capacitor have radii 36.0 mm and 44.0 mm. What must be the plate area of a parallel-plate capacitor with the same plate separation and capacitance
a a 3.0 k ohms resistor is connected in series with a capacitor at time t0. its fully charged and at a voltage of 24v.
The isotope 226 Ra Alpha decays. its measured atomic mass is 226.02541 amu, the daughter nucleus has a mass of 222.01758 amu and helium has atomic mass 4.0026 amu. calculate the kinetic energy of the alpha particle
When light of wavelength 350 nm falls on a potassium surface, electrons having a maximum kinetic energy of 1.31 eV are emitted. Find values for the following. the work function of potassium
the schrodinger equation of a two dimensional harmonic oscillator can be handled by separation of variables in
two objects moving with a speed travel in opposite directions in a straight line. the objects stick together when they
an object 9mm tall is placed 12cm to the left of the vertex of a convex spherical mirror whose radius of curvature has
The radius of the loop is 550km. R=550km. Determine the minimum height above the top of the loop from which the ball must be released in order to "just" pass through the top of the loop.
A circular loop of radius 24.9 cm is located in the plane of the paper inside a homogeneous magnetic field of 0.280 T pointing into the paper. Calculate the current induced in the loop during that time
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