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Determine the correct solution of the certain problem-
Problem- You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 23.7N and the spring scale reads 13.8N.
Part - What is the magnitude of the force that Earth exerts on the bag?
You want help to calculate the answer of the above problem.
If there are 5000 lines per cm are ruled on a diffraction grating instrument, Find the spacing of slit used in the experiment
find the transformation matrix r that describes a rotation of 90 degrees about an axis from the origin through the
q1. a steel ball of mass m is released from rest at point p. it follows a smooth curved rail to point q and finally
At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 5.03 m/s. What is the minimum time that a player must wait before touching the ball
You throw a billiard ball straight into the air from a height of 1.30 m and at a speed of 7.20 m/s. How far you are, the moment it returns back to the height that you launched it from
A copper ball with a radius of 1.6cm is heated until its diameter has increased by 0.17mm. find the final temperature of the ball.
A mass of 175 gram is located on the end of a spring of unknown spring constant. Evaluate what is the spring constant
A uniform magnetic field points north; its magnitude is 4.8 T. A proton with kinetic energy 7.5 10-13 J is moving vertically downward in this field. What is the magnetic force acting on it
The electric field of a capacitor remains unchanged, if the plates change their separation, but the charges remain the same. Show with equations the new energy of the capacitor relative to the initial energy, if the separation is doubled.
A standing wave on a 75.0cm long string has three antinodes. The Wavelength is .50m. If the string has linear mass density 3.78×10?5kg/m and tension 10.5N , what are the wave's frequency
A wooden block weighing 9 N is at rest ontop of a wooden desk. The coefficient of static friction betweenthe block and the desk is 0.54. Find the minimum horizontal force required to move the block if the following occurs.
a cosmic ray travels 60 through the earths atmosphere in 350 as measured by experimenters on the ground. how long does
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