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A 10-kg block on a horizontal frictionless surface is attached to a light spring (force constant = 0.80 kN/m). The block is initially at rest at its equilibrium position when a force (magnitude P= 80 N) acting parallel to the surface is applied to the block, as shown. What is the speed of the block when it is 13 cm from its equilibrium position?
A 78 g basketball is launched at an angle of 47.3 and a distance of 16.6 m from the basketball goal. What speed must the player give the ball
What potential will be developed across the capacitance by the absorption of a 5.0 MeV alpha particle which produces one ion pair for each 3.5 eV dissipated?
Using the concept of acceleration, explain how a swimmer can have a better time for a 100-m race in a 25-m pool than in a 100-m pool.
the index of refraction of the core of a piece of fiber optic cable is 1.76. if the index of the surrounding cladding
A transformer with 1710 turns on the primary and 229 turns on the secondary is used in an electric slot car racing set to reduce the input voltage amplitude of 170 V from the wall output
Two moles of an ideal diatomic gas have an initial pressure of 4:00 atm and initial volume of 16:0 L. What are the initial and final temperatures of the gas
After performing a spacewalk, you accidentally leave out a 1.0 kg wrench 45 m from the center of gravity of the international space station, How long will it break the wrench to drift
a 520 w carnot engine operates between constant-temperature reservoirs at 109degc and 67degc.a what is the rate at
A point particle that has a charge of 18.5 µC is located at x = 0, y = 0 and a point particle that has a charge q is located at x = 14.8 cm, y = 0. The electric force on a point particle that has a charge of 7.4 µC at x = 29.6 cm, y = 0 is -(19.7)..
A Wm = 890-N man sits on top of a stepladder of negligible mass that rests on a frictionless floor as shown in the figure below. Calculate the tension in the cross brace
How much work was done by friction between B and C? If the coefficient of kinetic friction between the mass and the rough surface is 0.53, how far will it travel before coming to rest?
A motorist travels for 3.0h at 80.0 km/h and 4.0 h at 60.0km/h. What is her average speed for the trip
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