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a golf club strikes a 0.059 kg golf ball in order to launch it from the tee. For simplicity assume that the average net force applied to the ball acts parallel to the ball's motion, has a magnitude of 6200 N and is in contact with the ball for a distance of 0.0080 m. With what speed does the ball leave the club?
1.play with pendulum lab to figure out what variables affect the motion of a pendulum and write qualitative
q1. a 238 g particle is released from rest at point a inside a smooth hemispherical bowl of radius 32.5 cm.compute the
Two blocks are stacked on a frictionless table. A horizontal force F is applied to M2. If M1=1.39kg, M2=3.02 Kg, and F=6.3 N, find the size of the contact force between the two blocks
A combustion experiment is performed by burnong a mixture of fuel and oxygen in a constant-volume container surrounded by a warer bath. During the experiment, the temperature of the water rises.
A wire of initial length L0 and radius r0 has a measured resistance of 2.0 . The wire is drawn under tensile stress to a new uniform radius of r = 0.45r0. What is the new resistance of the wire
A sound source emits sounds of frequency 215 Hz that travel through still air at 340 m/s. Find the frequency heard by the listener
A uniform rod of mass 2.55×10?2kg and length 0.440m rotates in a horizontal plane about a fixed axis through its center, What is the angular speed of the system at the instant when the rings reach the ends of the rod
The unpolarized light of intensity I(not) is passed through two polarizers with axes oriented at 30degrees from each other. What intensity of light emerges
In a series R-L-C circuit, R = 320? , XC = 260? and XL = 600? . The average power consumed in the resistor is 60.0W. What is the rms voltage of the source
A baseball is thrown at an angle of 27 degrees relative to the ground at a speed of 20.9m/s. The ball is caught 36.0231m from the thrower. The acceleration due to gravity is 9.81m/s square. Explain how long is it in the air ?
A step-up transformer has 10 turns on the primary coil and 500 turns on the secondary coil. what input current and voltage are needed
Suppose that the net horizontal force is as a result of rolling friction only and take the free-fall acceleration to be g = 9.80 m/s^2.
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