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Two children, Jason and Betsy, ride on the similar merry-go-round. Jason is at distance R from the axis of rotation; Betsy is at distance 2R from the axis. (i) Evaluate the ratio of Jason's angular
Determine the speed which must a vehicle maintain to drive on the vertical circular wall of radius 20 m when the coefficient of static friction between the vehicle tires and the wall is 0.4?
A block of 1.2 kg is hung from a vertical spring, causing the spring to stretch by 2.4 cm. Determine by how much farther will the spring stretch when a 0.60 kg block is added to the 1.2 kg block?
Let, consider as a system the Sun with Saturn in a circular orbit around it. Determine the magnitude of the change in the velocity of the Sun relative to center of mass of the system throughout the
Where must you place a (1.8 kg) half gallon of milk, relative to the left end of the basket, so that the center of mass of groceries is at the center of the basket?
Find out how far from the center of the planet is the planet-moon center of mass?
Pinky consists of a mass of 3.36 kg sits on a pump handle at a distance 33.19 cm from the axis of rotation. By using this information, find out the torque of Pinky and the handle if Pinky is on top
Clothing consists of a static coefficient of friction against steel in the range .6 to 1.0 and a kinetic coefficient in the range of .4 to .7. Determine the minimum rotational frequency in rpm, for
A sample of helium gas of 2.60 mol initially at 300 K, and 0.400 atm is compressed isothermally to 1.00 atm. Note that the helium behaves as the ideal gas. (i) Determine the final volume of the gas.
An ideal gas primarily at 345 K undergoes an isobaric expansion at 2.50 kPa. The volume rises from 1.00 m3 to 3.00 m3 and 13.2 kJ is transferred to the gas by heat. (i) Determine the change in interna
A uniform rod rotates in the horizontal plane around a vertical axis through one end. The rod is 6.00 m long, weighs 10.0 N and rotates at 240 rev/min. Compute (i) its rotational inertia around the
A hiker having weighs 985 N is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform and weighs 3610 N, and rests on the two concrete supports one at each end. He
At some other time, the velocity comprises of only y component. When the force is unaffected, and the instantaneous power is -6.4 W, determine the velocity of the object just then? (Provide your ans
The electric field among two square metal plates is 120 N/C. The plates are 1.4 m on a side and are separated by the 5.0 cm. Determine the charge on each plate (suppose equal and opposite)? Avoid ed
If on the ground, Ian’s weight is 644N. When Ian is on the elevator, his apparent weight is 741N. Determine the total force on the system (Ian and the elevator) if their combined mass is 1050
A concave mirror consists of a focal length of 23.0 cm. The distance between an object and its image is 40.3 cm. Determine (i) the object and (ii) the image distance supposing that the object lies b
White light hits a diffraction grating and a prism. A rainbow appears on a wall just beneath the direction of the horizontal incident beam in each case. Find out the color of the top of the rainbow
ii) When the rod has a resistance of 18 ohms and the rails and connector have negligible resistance, then determine the current in the rod? iii) At what rate is energy being transferred to the therm
Determine the magnitude of vi enables the projectile to just reach a highest height of 5.4R earth, measured from the center of the earth? Avoid air friction as the projectile goes through the atmosp
How long will it take the heater to melt 780 of collected ice at -10? Suppose that all of the heat goes into warming and melting the ice, and that the melt water runs out and does not warm further.
Assume that the pushing force which the pole applies back on the athlete is given by F(x) = (170N/m)x - (170 N/m^2)x^2 acting over a distance of 0.20 m. Determine how much work is done on the athlet
Explain why is it beneficial to use a standard wavelength in order to compute the energy of the photons emitted by the hydrogen atoms?
Determine the magnitude of vi enables the projectile to just reach a maximum height of 6.0RE, measured from the center of Earth? Avoid air friction as the projectile goes through the Earth's atmosph
A car begins from rest and moves about a circular track of radius 30.0m. Its speed rises at the constant rate of 0.500m/s2. (i) Determine the magnitude of the total linear acceleration of 15.0 s lat
The second object, twice as tall as the first one, is positioned in front of the mirror, however at a different position. The image of the second object has the similar height as the other image. De