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A 1.5 kg box moves back and forth on a horizontal surface with a coefficient of kinetic friction 0.18 between two different springs, 0.83 m apart. The box is initially pressed against the stronger spring (spring constant, k=32N/cm), compressing it 5.6 cm, and the is released from rest. (a) By how much will the box compress the weaker spring (with a spring constant, k=16N/cm)? (b) What is the maximum speed the box will reach?
for n2 at 25oc and 1.00 atm calculate the number of collisions per second made by one molecule the number of collisions
A 3.9×10-24-kg particle is vibrating with simple harmonic motion with a period of 1.8×10-5 s and a maximum speed of 1.70×103 m/s. Find the maximum displacement of the particle
A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. What is the work done on the jet by the catapult
A science-fair radio uses a homemade capacitor made of two 45 cm by 45 cm sheets of aluminum foil separated by a 0.30-mm-thick sheet of paper, What is its capacitance
Consider a parallel-plate capacitor of 220 uF capacitance connected to a 1500 volt power source. The distance between the plates is .01 m. What is the charge in the capacitor
q1. a professors office door is 0.80 wide 3.0 high and 5.0 thick has the mass of 25 and pivots on frictionless hinges.
A heavy rope used for as a mooring line for a cruise ship sags a shown. If the mass of the rope is 96 kg, what are the tensions in rope at A and B.
question1a space vehicle is travelling at 4190 kmh relative to earth when the exhausted rocket motor is disengaged and
A hoodlum throws a stone vertically downward with an initial speed of 12.2 m/s from the roof of a building, 25.0 m above the ground. What is the speed of the stone at impact
A 150g ball and a 250g ball are connected by a 34cm long, massless, rigid rod. The balls rotate about their center of mass at 130 . what is the speed of ball of 150 g.
From the shore of a frozen lake, Eli Manning throws a 2 kg football at a velocity of 20 m/s. What is their velocity immediately after they catch it
An astronaut applies a force of 500 N to an asteroid, and it accelerates at 7.00 m/s2. What is the asteroid's mass
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