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Consider a rocket-powered hockey puck, and assume the rocket produces a constant acceleration when the rocket is on. Experiment shows that, when the puck starts from rest and the rocket is ignited such that the puck is propelled across a horizontal frictionless surface, it covers a distance of 0.56m in 1.0s. The puck is placed at the top of a frictionless ramp such that, when the rocket is ignited, the puck is propelled by the rocket down the ramp surface. The ramp has a vertical height of 3m and a horizontal length of 4m. Given that the acceleration of the rocket is +1.12 m/s^2 and the overall acceleration of the puck down the ramp surface is 7.0 m/s^2 There is a 15m drop from the bottom end of the ramp to the ground. Determine the impact location and the impact speed of the puck.
If the activation energy for the vacancy formation is given as 0.77 eV for aluminium at (650 degrees Celcius) ^3, what would be the number of vacancies at 650 degrees Celsius? The atomic weight and the density of aluminium is 26.98 g/mol and 2.62 ..
How much time does the stone take to reach the ground.
Two rectangular pieces of plane glass are laid one upon the other on a table. A thin strip of paper is placed between them at one edge, Find the angle of the wedge
You push on the chair with a force of = 42.0 directed at an angle of 34.0 below the horizontal and the chair slides along the floorcalculate, Illustrate what is the magnitude of the normal force that the floor exerts on the chair.
A loudspeaker of mass 15.0 is suspended a distance of h = 2.30 below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.30. What is tension in each cable.
If 11.6 g of gold is deposited on the negative electrode of an electrolytic cell in a period of 3.03 hours, then what is the current through the cell during this period
A certain kind of glass has an index of refraction of 1.648 for blue light of wavelength 439 nm and an index of refraction of 1.619 for red light of wavelength 677 nm
Solve the algebraic expression by using power rules.
Suppose a car is traveling at +16.8 m/s, and the driver sees a traffic light turn red. After 0.569 s has elapsed, calculate the stopping distance of the car
A rigid tank contains 1.40 moles of an ideal gas. Determine the number of moles of gas that must be withdrawn from the tank to lower the pressure of the gas from 27.2 atm to 5.90 atm
A 39.00 g ball is fired horizontally with initial speed v_0 toward a 110g ball that is hanging motionless from a 1.00 m-long string. The balls undergo a head-on, perfectly elastic impact, after which the 110 g ball swings out to a highest angle th..
submarine on the ocean surface receives a sonar echo indicating an underwater object. What is the object's depth
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