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A horizontal 790-N merry-go-round of radius 1.60 m is started from rest by a constant horizontal force of 55 N applied tangentially to the merry-go-round. Find the kinetic energy of the merry-go-round after 5.0 s. (Assume it is a solid cylinder.)
A helicopter is ascending vertically with the speed of 8 m/s. At a height of 65m above the Earth, a package is dropped from a window.
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of -0.6020 N when separated by 50 cm, center-to-center.
a cylinder contains 4.0moles of a monoatomic gas at an initial temp of 27deg C. How much heat flows in to our out of the gas
A boy throws a 1.5 kg rock upward. To do so the boy applies a constant 38.5 N force upwards on the rock from point a to point b. after that the rock continues upward to its highest height at point c.
If vector "B" is added to vector C =3.0i + 4.0J, the result is a vector in the positive direction of the y axis, with a magnitude equal to that of vector "C". What is the magnitude of vector "B".
The shot leaves the hand at a height of 2.110 m and at an angle of 33.60°, and it lands at a horizontal distance of 14.00 m. Illustrate what is the magnitude of the athlete's average force on the shot during the acceleration phase?
A barge floating in fresh water (? = 1000 kg/m3) is shaped like a hollow rectangular prism with base area A = 650 m2, Find the mass of the coal in kilograms
Two Polaroids are aligned so that the light passing through them is a maximum. At what angle should one of them be placed so that the intensity is subsequently reduced by half?
A super tanker with the mass of 3.36 × 109 kg is moving with a constant velocity. Its engines generate a forward thrust of 4.11 × 105 N. Determine (a) magnitude of the resistive force exerted on the tanker by the water and (b) magnitude of the upward..
Two narrow paralle slits illuminated by tellow light with a wavelength of \lambda = 600 nm produce fringes with a separation of 0.50 mm on a screen 2m away,
If the maximum acceleration vehicle's brakes are capable of is -6.00 m/s2, what is the maximum reaction time of the motorist that will allow her or him to avoid hitting the deer.
Consider a parallel plate capacitor with plates of size 2 cm times 2 cm, with a distance of 2 mm between the plates. find the speed with which the proton hits the negative plate
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