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A wheel turns 5 revolutions in 1 s. Find what is the average angular velocity? (rad/s)
A total charge Q = 2.7 mC is distributed uniformly over a quarter circle arc of radius a=9.3 cm, What is lamda the linear charge density along the arc
A train normally travels at a uniform speed of 72 km/h on a long stretch of straight, level track. how much time is lost in stopping at the station
Two alpha particles (helium nuclei), each consisting of two protons and two neutrons, What is the distance between these particles at this time
A 35 mm camera with interchangeable lenses is used to take a picture of a hawk that has a wing span of 1.8 m. What would be the ideal focal length of the lens used
An artificial satellite circles the Earth in a circular orbit at a location where the acceleration due to gravity is 5.24 m/s^2.
A rectangular loop consists of N = 100 closely wrapped turns and dimensions a = 0.4m and b= 0.3m. What is the expected direction of rotation of the loop
A puck slides across a smooth, level tabletop at height H at a constant speed vo. It slides off the edge of the table and hits the floor a distance x away as shown in the figure. What is the algebraic relationship between the distances x and H?
What is the total mass of the Earth’s atmosphere? (The radius of the Earth is 6.37 x 10 6 m, and atmospheric pressure at the surface is 1.013 x10 5 N/m2 ). Think about why we can use such a simple equation to find the mass of the Earth’s atmosphere? ..
0.550-kg glider, attached to the end of an ideal spring with force constant k = 440 N/m, undergoes SHM with an amplitude 0.040 m. Compute the maximum speed of the glider
Consider a block of mass m sliding down an inclined plane andit has three forces acting on it (1) a gravitational force(pointing down). (2) a normal force perpendicular to the surface ofthe plane. (3) a friction force opposing motion down the plan..
A uniform rod rotates in a horizontal planeabout a vertical axis through one end. Calculate the angular momentum of the rod about that axis
A pair of speakers separated by 0.700 m is driven by the same oscillator at a frequency of 655 Hz. How far must the observer walk before reaching a relative maximum in intensity
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