1. The circular path of the moon, which has a radius of approximately 3.84 x 105 km, as it revolves around Earth makes the moon complete one revolution in 27.32 days. What is the speed of the moon and its radial acceleration?
Q: 3. A space station of diameter 80 m is turning about its axis at a constant rate. If the…
A: Given: Diameter = 80m => radius (r)= 80 2 = 40 m; Acceleration of outer rim (ac) = 2.5 m/s2 . we…
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Q: 4) A car starts from rest and accelerated uniformly in a circular path to a velocity of 40 m/s in 13…
A: Given : vo = 0 v = 40 m/s dt = 13 seconds r = 600 m
Q: Points A and B are marked on the circles that rotate independently of each other, as shown in the…
A: For A w1 = 3 rad/sec r1 = 4 m v1 = 4 * 3 v1 = '12 m/s For B w2 = 4 rad/sec r2 = 2 m v2 = 4 * 2 v2…
Q: 83. A train traveling at a constant speed rounds a curve of radius 215 m. A lamp suspended from the…
A: Part (83) Given: The radius of the curve is 215 m. The angle made by the lamp is 16.5o.
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Q: A carnival ride spins people around in a circle that has a radius of 5 m. The carnival ride can make…
A: Write the given values with the suitable variables. r=5 mω=20 rev/min=20×2π60 rad/s=2.094 rad/s…
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A: (2) Given: Distance between earth and sun = 1.5 X 1011 m Mass of asteroid, ma = 8.9 X 1015 km Speed…
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A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
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A: The circumference of circle is the length of total boundary of circle . fig -1 shows the circle…
Q: 1)The Moon takes 27.3 days to complete one revolution around the Earth (sidereal month). Assuming…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
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Q: The centripetal acceleration at the equator is about 3.4 cm/s^2. Use this information and the length…
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Q: 11
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A: Recall ar=ω2R=centripetal acceleration
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A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
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Q: 1) Computer-controlled display screens provide drivers in the Indianapolis 500 with a variety of…
A: 1) v= 98.8 m/s , ac= 3(g)= 3(9.8)= 29.4 m/s2 2) a= 6.25×103(g) = 6.25 × 103×9.8 m/s2 r= 5cm
Q: 16 - Chapter 4- questn-17 A stone tied to a string and whirled a constant speed in a horizontal…
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Q: 29 An amusement park ride moves a rider at a constant speed of 14 meters per second in a horizontal…
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Q: 1. How is uniform circular motion different from other types of curved motion?
A: In a uniform circular motion the speed is constant and the direction of speed changes constantly and…
Q: 7. John and Peter start at the same point and run around a circular track of radius 50 m. They meet…
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A: The expression for find average speed of earth during half of its path is v=dt=2πr2t
Q: 6. What is the period of your orbit, in SECONDS? T= 1 hr 37 m = %3D
A: We have to solve 6 only in the given attached figure below.
Q: 3. What is the period T of a planet which radius is as twice as of Earth when it completes one…
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Q: #10. In uniform circular motion, how many of the following quantities are constant or equal to zero:…
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Q: 1. An object is spun around in circular motion such that it completes 100 cycles in 25 s. What is…
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Q: 7. The following image shows a speed skater track. It is difficult to read, but the skaters take a…
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Q: pin Dizzzy. A 0.200 [g] bee flies at a constant speed along a horizontal circular ath with a…
A: Given Diameter d = 84 cm Radius r = d/2 =84/2 = 42 cm =0.42 m Frequency f = 8/60 = 0.133 rps
Q: In how many seconds does an object moving with a centripetal acceleration of 16 m/s² on a circular…
A: Given Centripetal acceleration ac=16m/s2 r=4m
Q: A tennis ball connected to a string of radius 0.80 m is spun around in a vertical, circular path at…
A: Given, Radius=0.80m Speed=2.5m/s
Q: 19. An airplane is flying at a speed of 150 m/s on a horizontal circular path with a radius of 500…
A: v = 150 m/s r = 500 m v'= 300 m/s r'= 1000 m
Q: 4. Calculate the centripetal acceleration for an object on the surface of radius 400 km and, and the…
A: Given: r = 4000 km = 4000* 1000 r = 4*106 m T = 120,000 sec
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- An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. This moon takes time T on average to complete one nearly circular revolution around the unnamed planet. If the diameter of the moon's orbit is D, calculate the moon's radial (or centripetal) acceleration a.. ac =A space station is in a circular orbit about the earth at an altitude h of 5.0 x 10° km. If station makes one revolution every 95 min. A. What is the orbital speed? B. What is the centripetal acceleration2. A girl jogs around a horizontal circle with a constant speed. She travels one half of a revolution, a distance of 20.0 m along the circumference of the circle, in 8.00 s. a. What is the radius of the circle in meters? b. What is the period? c. What is her speed? d. What is her radial acceleration is?
- An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. This moon takes 20.0 days on average to complete one nearly circular revolution around the unnamed planet. If the distance from the center of the moon to the surface of the planet is 2.420 × 10° km and the planet has a radius of 4.100 × 10³ km, calculate the moon's radial acceleration a. a = m/s? & TOOLS x10NASA IS EXPECTED TO SEND A 2600 KG SATELLITE 450 KM ABOVE THE EARTH'S SURFACE. A. WHAT IS ITS RADIUS? B. WHAT SPEED WILL IT HAVE? C. WHAT IS ITS ORBITAL PERIOD? D. WHAT IS ITS RADIAL ACCELERATION?Prior to landing at the airport, an airplane flies at a constant speed in a circular course with aradius of 5000 meters. An observer notices that the plane completes each round trip in 400seconds.a. What is the speed of the airplane? b.Whats the centripetal acceleration?
- A car driving around a circular track has a centripetal acceleration of 91 m/s291 m/s2 until it hits a slick spot and slides straight off the track. If the radius of the track is 67 m,67 m, what is the car's speed ?v when it leaves the track?A runner runs around a circular track. He completes one lap at a time if t=497s at a constant speed of v=3.9m/s. What is the radius r in meters of the track?what was the runners centripetal acceleration ac in m/s^2 during the run?In the Biblical tale of David and Goliath, the giant is slain when David hits him with a rock that he has spun around overhead in a sling with straps made of elastic material. If the rock is spun 100 revolutions per minute, a. What is the rock’s period? b. What is providing the centripetal force on the rock? Be specific.
- E2. A car rounds a curve with a radius of 35 m at a speed of 20 m/s. What is the centripetal acceleration of the car?the up mIbi, thla 2. In the future, we may encounter a civilization from another planet. They will not use the SI or AE systems of units. Suppose we meet aliens who use the Zerf as a unit of mass and the Spund as a unit of force. One Spund is the weight of a mass of one Zerf on the surface of Mars. The gravitational acceleration on Mars is 3.7 m/s?. a.) What is gc in the alien system of units? Be sure to include the numerical value and the units. b.) How much would a 350 Zerf object weigh on the surface of Mars, in Spunds? c.) How much would a 350 Zerf object weigh on the surface of the Earth, in Spunds? d.) To which system of units is the Zerf-Spund system most similar, Sl or AE?3. Now you drive clockwise around the track again. This time, as you drive the large arc (radius 30 m), you speed changes uniformly from 7 m/s to 13 m/s in 2 seconds. a. What is your tangential acceleration in this turn? b. What is your centripetal acceleration at point (Y) when your speed is 10 m/s? Y c. What is the magnitude of your acceleration at this point? d. Draw an arrow at (Y) indicating the direction of the acceleration at that point. What is the angle between the direction of the velocity and acceleration vectors at that point?