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A point mass m = 153 g hangs from a string of length l = 1.44 m.
Calculate the value of v, the initial speed m should be given at the bottom, so that the string reaches a maximum angle of θ = 46.5o?
A box of unknown mass begins at the base of a 30 degree ramp with an initial velocity of 10.0 m/s. calculate the maximum distance up the ramp which the box will reach
An archeological specimen containing 3.4g of carbon has an activity of 0.33 Bq. How old (in years) is the specimen
Consider a uniform metal bar 10 cm long and mass 60 gram that sits at rest on a frictionless surface. If you hit the bar with an impulse of 1500 g*cm/s, at what distance from the center would you need to hit the bar to make it hit a wall 20 cm awa..
A spring with spring constant of 29 N/m is stretched 0.21 m from its equilibrium position. How much work must be done to stretch it
if we have an electron orbiting an atomic nucleus. we may think the electron is doing a circular motion around the
A uniform steel plate has an area of 0.947 m2. When subjected to a temperature difference between its sides, What is the temperature gradient
On an old-fashioned rotating piano stool, a woman sits holding a pair of dumbbells at a distance of 0.590 from the axis of rotation of the stool. What is the initial angular momentum of the system
a very long uniform line of charge has charge per unit length 3.90 microcm and lies along the x-axis. a second long
The linear accelerator at Stanford University (SLAC) is 2.00 mileslong and is used to accelerate electrons. If an electron is accelerated to 0.999995c, then what is the length of the accelerator in the electron’s frame of reference
a golf ball rolls off a horizontal cliff with an initial speed of 13.9 ms. the ball falls a vertical distance of 15.0 m
Point charges q1=+2.00?C and q2=?2.00?C are placed at adjacent corners of a square for which the length of each side is 4.50cm, What is the electric potential at point b
A fighter pilot dives his plane toward the ground at400 m/s. He pulls out of the dive on a vertical circle. What is the minimum radius of the circle
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