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A 20-g bead is attached to a light 120 cm-long string as shown in the figure. If the angle α is measured to be 18o, what is the speed of the mass?
A golfer strikes a golf ball at an angle of 17 degree above the horizontal. Find with what velocity must the ball be struck
As a sailboat sails 53.0 m due north, abreeze exerts a constant force F1 onthe boat's sails. This force is directed at an angle west of duenorth. A force F2 of the same magnitudedirected due north would do the same amount of work on the sailboatover ..
A 423 Hz sound wave travels through a substance. What is the speed of sound in the substance
A flywheel in the form of a uniformly thick disk of radius 1.78 m, has a mass of 59.1 kg and spins counterclockwise at 429 rpm. Calculate the constant torque required to stop it in 3.25 min
A basketball player makes a jump shot. The 0.600 kg ball is released at a height of1.90 m above the floor with a speed of7.00 m/s. What is the work done on the ball by air resistance
While taking photographs in Death Valley on a day when the temperature is 53°C, Determine what current does he register there if the temperature is -88°C
Find the force P that must be applied to a piston of area 12.10 cm2 to produce sufficient fluid pressure to support a car weighing 11,851 N by means of a column of fluid of cross sectional area 250 cm2 as seen in the figure below.
A bucket filled w/water has a mass of 30kg and is attached to arope that is wound around a cylinder w/radius of 50cm at the top ofa well. What torque does the weight of the water and bucket produce on the cylinder?(g=9.81 m/s2, take care of units1..
Problem 1: Two point charges are placed 2.0 cm apart. They are fixed in place so that they do not move. a. A small ball of charge 3.0 x 10-9 C is placed at point A. the ball is small enough that it can be treated as a point charge.
a cat with mass 4.5 kg is sitting on top of a turntable of mass 20 kg and radius 1.4 m. Calculate the magnitude of the angular velocity of the turntable in rotations per minute
A square coil, enclosing an area with sides 4.6 cm long, is wrapped with 3,149 turns of wire. What average voltage is induced in the coil
Aaron Rodgers notices that the cornerback is blitzing. At t=0, the cornerback has a position of x = -5 m, Starting from rest, how must he accelerate
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