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High speed stroboscopic photographs show that the head of a200-g golf-club is traveling at 55m/s just before it strikes a 46 ggolf ball at rest on a tee. After the collision, the club headtravels (in the same direction) at 40 m/s. Find the speed of the golf ball just after impact.
the hot-air balloon shown below is tethered with three mooring cables. the force tb in cable db has a magnitude of 2230
the crate shown is held against wedge b by a spring. the spring is 96.0 of its original uncompressed length l2.75m and
A 36 µF air-?lled capacitor is charged to apotential di?erence of 1099 V. What is the energy stored in it
Suppose you do 457 J of work on 1.18 moles of ideal gas in a perfectly insulated container. By how much does the internal energy of this gas change.
A step-up transformer for long-range transmission of electric power is used to create a potential difference of 1.0921 x 10^5 V across the secondary. How many turns are in the primary
A 117 V potential difference isapplied to a space heater that dissipates 500 W during operation. What is its resistance during operation
The scalar product of vectors and is +51.0. Vector has magnitude 9.00 and direction 28.0 west of south. If vector has direction 36.0 south of east, what is the magnitude of.
A bicycle travels 141 m along a circular track of radius 30 m. What is the angular displacement in radians of the bicycle from its starting position
Three equal charges are placed at the corners of an equilateral triangle 0.50 m on a side. What are the magnitude of the force on each charge if the charges are each -4.5×10^-9 C?
What is the horizontal component of the ball velocity
Consider a map oriented so that the x axis runs east-west (with east being the "positive" direction), find the direction of the total movement of the driver
A beam of particles is directed at a 0.015-kg tumor. There are 1.3 × 1010 particles per second reaching the tumor, Find the biologically equivalent dose given to the tumor in 21 s
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