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A 1 000-kg experimental rocket sled on level frictionless rails is loaded with 50 kg of propellant. It exhausts the propellant in a 20-s "burn." If the rocket, initially at rest, moves at 150 m/s after the burn, what impulse is experienced by the rocket sled?
A 170, 35.0 cm-diameter turntables rotate on frictionless bearings at 53.0. A 20.0 block sits at the center of turntable. A compressed spring shoots the block completely outward along a frictionless groove in the surface of the turntable.
what is the Tension in the string, distance of spheres from one another at equilibrium, the charge on each sphere.
A 100 m long solenoid has a radius of 0.050 m and 1.5 x 10^4 turns. Determine the self-induced emf in the solenoid due to the changing environment
Calculate the horsepower needed for a 1,114 kg car to climb up to an altitude of 1,097.91 m from sea level in 1.81 hours
Scientists want to place a 4200 kg satellite in orbit around Mars. What is the force of attraction between Mars and the satellite
3.00 m-long, 350 steel beams extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 construction worker stands at the far end of beam.
A 7.11-kg box is sliding across the horizontal floor of an elevator. find the kinetic frictional force that acts on the box
Your thoughts about illustrate what information is critical to collect at the outset of or early on in the interview process. Explain the upsides and downsides/concerns of having to gather this information and address related issues in a first se..
why does d account for the reduction of the distance from 8.5 km to a 0 distance. Is this not a reflection of displacement rather than just distance
Three positive particles of equal charge +11 uC, are located at the corners of an equilateral triangle of side 15.0 cm. calculate direction of the net force on each particle
A well insulated rigid vessel also contains 3 kg of saturated liquid water at 40 oC. The vessel also contains an electrical resistor that draws 10 amperes when 50 volts are applied.
What is the maximum mass of ethyl alcohol you could boil with 1000 J of heat, starting from 15 deg C
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