How fast is it moving at the top of the meter hill
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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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?
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:
Determine the maximum deviation of the transmission angle within the limits of the motion of the mechanism when link d is fixed.
Three identical point charges Q are placed at the vertices of an equilateral triangle. The length of each side of the triangle is d. What is the mag and dir of the total electrostatic force on the charge at the top of the triangle?
The lower portion is 4 inches wide and 3 inches tall. Overall height is 5 inches. If the maximum shear stress in the cross section is 0.77 ksi then determine the shear force.
A .22µF capacitor is charged by a 1.5 volt battery. After being charged, the capacitor is connected to a small electric motor that is 100% efficient. What initial voltage must the capacitor have to lift 5.0g 1 meter?
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When people get involved in community and social change but do not hold official political positions, which of the terms best describes what they are part of
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