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A 0.145 kg ball moving in the +x direction at11m/s is hit by a bat. The ball's final velocity is 20 m/s in the -x direction. The bat acts on the ball for a duration of 0.01 s.
Find the average force exerted on the ball by the bat. Include the sign of the force to indicate the direction of the force.
A small plastic ball of mass m = 1.50 g is suspended by a string of length L = 24.5 cm in a uniform electric field, what is the net charge on the ball
The position of an object as a function of time is given by x = bt2 - ct, where b = 2.0 m/s2 and c = 6.7 m/s, What is the instantaneous velocity of the object
a mass-spring system oscillates on a horizontal frictionless surface with an amplitude of 3.24 cm.a if the spring
A 5.90 x 10-5 H solenoid is constructed with wrapping 79turns of wire around a cylinder by a cross-sectional area of 8.7x 10-4 m2. When the solenoid is shortened by squeezing the turns closer together, the inductance increases to8.80 x 10-5 H. Decide..
The magnetic energy stored in a certain inductor is 2.50 × 10-2 Joule when the current is 6.00 × 10-2 Amp. Estimate what the inductance
One way to create artificial gravity in a space station is to spin it. At how many revolutions per minute (rpm) must it turn so that the outermost points have an acceleration equal to
A point charge of 8.40 mC is surrounded by an equipotential surface with a radius of 0.300 m. What is the electric potential on the surface
If the current through the inductor (L = 25.1 mH) at 351 Hz has an amplitude of 45 mA, what is the rms value of the AC voltage
How will the theoretical N versus 1/T be modified at the higher temperature ranges in a sample that has 1020 phosphorus/cm3?
The length of a telescope is 2 meter and the focal length of the objective is 2 centimeter. Evaluate what is the focal length of the eyepiece
The active element of a certain laser is an ordinary glass rod 21.6 cm long and 1.22 cm in diameter. Calculate its increase in diameter
When a candle is placed between two vertical mirrors at a right angle, three images of the candle are seen. Make a diagram showing their positions.
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