What is the de Brogue wavelength of a proton whose kinetic energy is 2.0 MeV? 10.0 MeV?
Q: A wheel with radius 0.465 m0.465 m rotates 5.035.03 times every second. Find the period ?T of this…
A: Given data: Radius of wheel (r) = 0.465 m Number of rotations per second = 5.03 Required: The…
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Q: A toy airplane is tied to a 0.7 m cord, swirling in circles. The boy holding the cord did a…
A: radius of the circle, r=0.7 m angular velocity ω=24 rpm=24×2×π60 rad/s let the linear velocity of…
Q: NASA's Ames Research Center in Mountain View, California, houses a 20g centrifuge used to conduct…
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Q: NASA’s 20-G centrifuge (https://www.nasa.gov/ames/research/space-biosciences/20-g-centrifuge) can be…
A: The equation for centripetal acceleration is, ac=rω2 the angular velocity is, ω=31…
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A: Consider, The passenger's weight is equal to the centripetal force. The equation can be written as:-…
Q: A ferris wheel with a radius of 100.0 m. Each of the sixty gondolas on the wheel takes 2.00 minute…
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Q: A small ball is attached to the lower end of a 0.800-m-long string, and the other end of the string…
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Q: A speed skater goes around a turn with a 31 m radius. The skater has a speed of 14 m/s and…
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Q: As a rollercoaster passes the bottommost point in a loop, an accelerometer records an acceleration…
A: Given,The recorded acceleration, The speed of the car,The deacceleration, The radial acceleration,
Q: A pick-up truck is fitted with new tires which have a diameter of 42 inches. How fast will the…
A: We are given diameter of tire. We first find radius of tire. We are given number of revolutions per…
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Q: At its peak, a tornado is 60.0 m in diameter and carries 500 km/h winds. What is its aguler velocity…
A: The objective of the question is to find the angular velocity of the tornado in revolutions per…
Q: A figure skater is initially spinning with his arms and one leg outstretched at 50 rpm. By slowly…
A: The expression from angular kinematics,
Q: How many radians does an motorcycle tires rotate after starting from rest and accelerating at a…
A: For circular angular motion, the formula for angular displacement θ and angular acceleration α is…
Q: A disk spins at 4.0 revolutions/second. What is its period, in second?
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Q: a space station has an outer radius of 140 m. The station rotates so that the occupants at X at the…
A: Concept: The Formula for Centripetal acceleration is ac=v2rAnd We know,velocity=distance time…
Q: A disk spins at 3.0rev/s speeds up to 15rev/s at a steady rate over a time of 24.0 seconds. Through…
A: Given data: Initial angular velocity (ω0) = 3.0 rev/s Final angular velocity (ω) = 15 rev/s Time (t)…
Q: a 2.84kg mass attached to a light string rotates on a horizantal frictionless table. the radius of…
A: Given that,Mass : m = 2.84 (kg)Radius : r = 0.795 (m)Maximum mass : Mmax = 22.8 (kg)Here we need to…
Q: A 0.80 m wide door turms though an angle of 35°. How long is the arc of the displacement? O 0.80 m O…
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Q: For centripetal acceleration, why not use ac = r * W2?
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Q: A turbine is spinning freely at 3750 rpm. It takes 8 min to coast to a stop due to friction in the…
A: Given data: N = 3750 rpm t = 8 min Need to determine the number of revolutions revolutions doe the…
Q: Imagine you are on an amusement park and on a train ride. At some point the train ride follows a…
A: The expression for the centripetal acceleration is
Q: I Review Two satellites are in circular orbits around a planet that has radius 9.00 x 106 m. One…
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Q: A centrifuge accelerates uniformly from rest to 13000 rpm in 180 s. A. Through how many…
A: The acceleration is uniform. So, we can calculate the average velocity as shown below.
Q: A good baseball pitcher can throw a baseball toward home plate at 94.8 mi/h with a spin of 1870…
A: Here Linear speed = v = 94.8 mi/h Angular speed = 1870 rev/minDistance given for motion = s = 60 ft.…
Q: A grinding wheel 0.35 mm in diameter rotates at 2100 rpm .What is the acceleration of a point on the…
A: Angular velocity of the grinding wheel, ω=2100 revolutions per minute=2100×2π×160=219.9115…
Q: Problem 1: A centrifuge has a diameter of 18cm. It is able to spin at 10,000 rpm. A What is the…
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- A car approaches the top of a hill that is shaped like a vertical circle with a radius of 35.3 m. What is the fastest speed that the car can go over the hill without losing contact with the ground?A wheel of radius 75cm is rotating with a frequency of 3.0Hz about a fixed axis of rotation. What is the speed of a piece of chewing gum stuck to the rim?If an airplane is flying at 140 miles per hour east and turns in a smooth curve with a diameter of 3 miles, what is its centripetal acceleration in m/s2 ? SYW!!!
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- A ball having a mass of 2.27 kg is swinging at the end of a cord in a vertical circle of radius 0.6 m at 2 rev/s. What is the tension in the cord when the ball is a. at the level of the center? b. At the bottom of the vertical circle?A BMX biker wanted to impress his family by catching some air( aka leaving the ground) while riding over a hill in Tennesse with a radius of curvature of 7.6m. If the BMX biker rides over the hill at 11.2 m/s, will she catch some air and excitee her family? B) What is the minimum speed the biker has to travel in order to leave the ground when cresting the hill?