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A balance scale has unequal arms. The scale is balanced with a m = 1.50-kg block on the left pan and a M = 1.79 kg block on the right pan (see figure). If the 1.79-kg block is removed from the right pan and the 1.50-kg block is then moved to the right pan, what mass on the left pan will balance the scale? IN KG Please
Find the diameter of the eye structure that causes a circular diffraction pattern with the first dark ring at an angle of 3.7 when viewed with monochromatic light of wavelength 630
A 100kg hollow sphere is neutrally buoyant and completely underwater. Its volume is 0.5 cubic meter. what fraction of this volume is helium
An airplane is flying with a velocity of 95 at an angle of 19 above the horizontal. When the plane is a distance 111 m directly above a dog that is standing on level ground, suitcase drops out of luggage compartment.
Only two forces act on an object (mass = 2.70 kg), as in the drawing. (F = 63.0 N.) Find the magnitude and direction (relative to the x axis) of the acceleration of the object.
The emissivity of her skin is 0.750 and its surface area is 1.30 m2. How much time would it take for her to emit a net radiant energy from her body that is equal to energy contained in this dessert.
A 30 capacitor initially charged to 20 is discharged through a 1.9 resistor. How long does it take to reduce the capacitor's charge to 5.0
The electric field in a particular space is = (x + 1.9) N/C with x in meters. Consider a cylindrical Gaussian surface of radius 22 cm that is coaxial with the x axis. What net charge (in Coulombs) is enclosed within the cylinder
The vibrational energy levels of an HBr molecule are EK = C (K + ½), where C = 5 · 10–20 Joules and K = 0, 1, 2,… Each level is singly degenerate: gK = 1. Consider four HBr molecules trapped in a solid matrix such that they are able to undergo vib..
Since the period of a simple pendulum depends only on its length (and g), How long would that standard be, in meters
An airbus A320 has a takeoff mass of 75,000 kg. It reaches a takeoff speed of 82 m/s in 35 s. What is the thrust of the engine
An object of mass 6.8kg is attached to a spring of force constant 1870 N/m. Calculate the maximum velocity the object has during its motion
A listener is standing in front of two speakers that are producing sound of the same frequency and amplitude
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