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A rear wheel on a Formula 1 racing car has a mass of 3.2 kg and a radius of 0.42m. A mechanic is rolling the wheel towards a step at the back of the workshop. Decide:
1. The minimum horizontal force (F) needed to be applied through the axle (center) of the wheel to just start rolling over the step if it is 6cm tall.
2. The minimum horizontal force required to be applied at the top of the wheel to just start it rolling over the same step.
A boat is tied to a dock by four ropes. Two ropes, with a tension of 55 N each, are at right angles to the dock. What is the magnitude of the sum of these forces
q1. a 2.75-mm-tall object is 8.0 cm to the left of a convex lens of 5.7 cm focal length. find the image position and
two lasers are shining on a double slit with slit separation. laser 1 has a wavelength of d20 whereas laser 2 has a
two slits separated by 0.75 mm are illuminated with light of an unknown wavelength and an interference pattern is
Air "breaks down" when the electric field strength reaches 3*10^6 N/C, causing a spark. How many electrons must be transferred from one disk to the other to create a spark between the disks
Light of wavelength 480nm is incident on a metallic surface with a resultant photoelectric stopping potential of .55V. What is the work function of the metal
A 3.3kg block sits on a table. A 3.0kg bullet is fired horzontally at a speed of 520 m/s, find the speed of the block immediatley after the bullet exits
A cork floating on a lake bobs up and down as a small wave passes. The cork completes 4.00 cycles in 4.00 s. The wave peaks are 8.1 cm apart. Discover the speed of the wave.
a. aingly-ionized lithium has a nucleus of charge 3e and two electrons. use the variational principle to estimate the
A pendulum bob of mass m is released from a height H above the lowest point. Find the heights to which the bobs rise given that the collision is
A projectile is shot vertically from the surface of the Earth. Calculate the final speed of the projectile
Two people are pulling a mule, assume the F1 is 110 N and F2 is80 N. I found the single force that is equivalent to the two forcesfor magnitude and direction but I need to find out the force that a third person would have to exert on the mule to make..
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