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A woman with a mass of m1 is standing on the rim of a large disk that is rotating at an angular velocity of ? about an axis through its center. The disk has a mass of m2 and a radius of R.
Calculate the magnitude of the total angular momentum of the woman-plus-disk system. (Assume that you can treat the woman as a point.)
What is the speed of the projectile
A tennis ball is thrown out a window 28m above the ground at an initial velocity of 15.0 m/s and 20 degrees below the horizontal. How far does the ball move horizontally before it hits the ground?
Three boxes, each of mass 22.0 kg are on a frictionless table, connected by massless strings. What is the net horizontal force on box A
Two crickets, Chirpy and Milada, jump from the top of a vertical cliff. Chirpy just drops and reaches the ground in 4.00s, How far from the base of the cliff will Milada hit the ground
Two point charges 2.0cm apart have an electric potential energy of -118.8μJ. The total charge is 25 nC. What are the two charges?
The force vector A has a magnitude of 98.0 newtons (N) and points due east. The force vector B has a magnitude of 111 N and points 71.1 ° north of east. Find the (a) magnitude and (b) direction of A - B. (Give the direction as a positive angle with r..
A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 15 m/s, skates by with the puck, How long does it take him to catch his opponent
A car of mass 1,250 kg is lowered onto a junk pile at the end of the cable of a large crane. If the car is accelerating downward at 0.19 m/s2
Suppose now that you are at rest relative to the raft standing at the rear end except this time the raft is in the middle of the lake moving at a speed of 4.0 m/s. find the raft's speed relative to a stationary observer
A baseball pitcher can throw a ball with a speed of 40m/s . He is in the back of a pickup truck that is driving away from you. What is the speed of the truck
You're an optometrist, mounting a projector at the back of your 3.8m -long exam room, 2.6m above the floor. At what height should you center the pattern on the wall
Light of wavelength 630 nm passes through a grating and then onto a screen located several meters from the grating. Determine the wavelength of the second source
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