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Problem: You throw a ball at an angle of 40 degrees above the horizontal.
Part A: How fast must you throw the ball, such that at the top of its trajectory the vertical component of its velocity vector is zero?
Please give a full detailed explanation of solution.
X-rays with wavelengths of 0.2597 nm are detected at a scattering angle of = 170° in a Compton-scattering experiment. calculate the energy of an incident photon
a block of wood has specific gravity 0.79. When placed in water, what percent of the volume of the wood is under the surface. And what volume of the wood is above the surface
A thin uniform rod has a length of 0.520 and is rotating in a circle on a frictionless table. calculate the mass of the bug and rod
Light of wavelength 514 nanometers from a distant source is incident on a slit 0.650 millimeter wide. Obtain the distance between the two dark fringes
Your adventurous friend Lola goes bungee jumping. She leaps from a bridge that is 100 m above a river. WHat is her height above the river at her lowest point
Calculate the center to center distance between the wires when the force of gravity and magnetic force are balanced Fg=Fm
a. doubling both charges changes the potential energy for a pair of a pint charges by a factor of?b. tripling the
please try to solve this homework and explain it very well . and i want to receive it tomorrow. and explain every
A lawn mower has a flat, rod-shaped steel blade that rotates about its center. What is the rotational energy of the blade at its operating angular speed of 3480 rpm
Two parallel wires are 61 cm apart. Each wire is 4 cm long. One wire is a carrying a current of 23 A and the other wire is carrying a current of 21 A. Both currentsare going in the same direction. Determine the force between the two wires.
A rigid rod of mass m3 is povited at point A, and masses m1 and m2 are hanging from it, as shown. Point A L1 m3 L2 m1 m2 (a) What is the normal force acting on the pivot point? (b) What is the ratio of L1 to L2, where these are the distances from the..
A uniform plank of length 5.5 m and weight 205 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support .To what distance x can a person who weighs 447-N walk on the overhanging part of the plank before it just ..
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