Projections of the total force acting on the particle
A 0.26 kg particle moves along an x axis according to x(t) = - 14 + 3 t + 5 t2 - 5 t3, with x in meters and t in seconds. What are projections of the net force acting on the particle at t = 3.5 s on (a) x-axis, (b) y-axis, (c) z-axis?
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Jack pulls a sled across a level field by exerting a force of 110 N at an angle of 30o with the ground. What are the parallel and perpendicular components, respectively, of this force with respect to the ground?
Vector is 3.0 units in length and points along the positive x-axis; vector is 4.0 units in length and points along a direction 150o from the positive x-axis. What is the magnitude of the resultant when vectors and are added?
A rectangle has a length of 2d, and a height of d. Each of the following three charges is located at a corner of the rectangle; +q1 at the upper left, +q2 at the lower right, and -Q at the lower left corner. The net electric field in the empty cor
If .934 grams of AgNO3 (formula weight 169.91 g/mol)were reacted with 100mL of 0.100 M HCL to make AgCl(formula weight 143.35 g/mol) which reactant would be the limiting reagent and the theoretical yield of AgCl in grams?
A student used a cation exchange resin to determine themolarity of sodium ion in an unknown sodium chloride solution. The student diluted the 25.00mL aliquot of the original unknownsolution to 250.0mL in a volumetric flask
A 60 kg person is parachuting and experiencing a downward acceleration of 2.4 m/s2. The mass of the parachute is 5.8 kg. (a) What is the upward force on the open parachute from the air? (b) What is the magnitude of the downward force on the parach
A ground state H-atom absorbs a photon of wavelength 60.69 nm, and its electron attains a higher energylevel. The atom then emits two photons:
A ball slides down an icy hill 100 meters high and slides up another icy hill 50 meters high, doing nothing in the middle (no speed is lost) how fast is it moving at the top of the 50 meter hill?
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