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A ball attached to a string starts at rest and undergoes a constant angular acceleration as it travels in a horizontal circle of radius 0.30 meter. After 0.65 second, the angular speed of the ball is 9.7 rad/s. Evaluate the tangential acceleration of the ball?
A uniform beam 3m long has weights 20N and 30N attached to itsends. If the weight of the beam is 50N find the point on the beamwhere a support should be placed so that the beam will resthorizontally.
object a which has been charged to 24.4 nc is at the origin. object b which has been charged to -18.3nc is at xy0 cm
A 40.0 cm diameter cylinder of helium gas is 70.0 cm long and at 30.0 ^circC. The pressure gauge reads 140 psi. How many helium atoms are in the cylinder.
A large fish hangs from a spring balance supported from the roof of an elevator. What will the balance read if the elevator cable breaks
High speed stroboscopic photographs show the head of a 215g golf club traveling at 51m/s just before it strikes a 46g golf ball at rest on a tee. find the speed of the golf ball just after impact
What slit separation will produce first-order maxima.
a certain freely falling object requires 1.95 s to travel the last 36.5 m before it hits the ground. from what height
A small drop of water is suspended motionless in air by a uniform electric field that is directed upward and has a magnitude of 10200 N/C. How many excess electrons or protons reside on the drop
A uniform magnetic field (0.20 T) is directed 35 degrees above the horizontal, penetrating a horizontal circular coil (radius 6.0 cm)
A 10.0g bullet is fired horizontally into a 101g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 141 N/m. The bullet becomes embedded in the block. If bullet-block system co..
it can be shown that except for theta 0 a circular obstacle produces the same diffraction pattern as a circular hole
A simple pendulum is 0.50m long. At t=0 it is released from rest starting at an angle of 10 degrees.Ignoring friction, what will be the angular position of the pendulum
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