An astronaut traveling at a speed of 0.75c requires 25 years, as measured on Earth, to make a round trip to a nearby star. How many years did he age during the trip?

Q: 3 a. Since we use friction to accelerate our cars around turms, we can't take turns as fast in wet…

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Q: A plane is traveling at V= 100 m/s following the arc of a vertical circle of radius R. At the top of…

A: Applying Newton's second law in vertical direction,we get     ma=Fnet⇒ma=mg-N⇒mv2R=mg-NFor…

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: if a car drives in a circle and all of a sudden, encounters black ice. Does it keep going in a…

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Q: In elementary school, there was a very large hill right next to the school. My mom would always try…

A: Let the radius of the curved top be the height of the top of the hill from its bottom, h=35 m

Q: How many revolutions per min would a 25- m-diameter ferris wheel need to make for the passengers to…

A: Consider, The passenger's weight is equal to the centripetal force. The equation can be written as:-…

Q: Draw a useful picture for this situation, indicating directions of the acceleration and velocity as…

A: Given data: The radius of the bent rod is: R=110 m The velocity of the car in the circle is: v=75…

Q: 3. A plane must fly to a destination that is south-west of its departure point. Because of the wind,…

A: 1)It is given that the airplane wants to takeoff in South-west direction but because of air force it…

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: 5) hind the accelotin expernand by a gutile wilth Mars (M:Qx10"r9 and elctri chage (E: 2X10C) that…

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Q: B5 Two trains S and T are moving at constant speed, S at 50kmh-1 NW and T at a speed v, kmh" due W.…

A: Please see the answer below.

Q: nicles acceleration at pa

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Q: a. A car travels around a circular path. Does the car travel with constant speed or constant…

A: When a car travels around a circular path, it covers equal distance in equal intervals of time.…

Q: A boll rounds a 28 m radius curve at 13 m/s. The magnitude of it's acceleration in m/s²

A: Given data:  Radius (r) = 28 m Speed (v) = 13 m/s Required: The magnitude of the acceleration

Q: 43 ILW What is the smallest radius of an unbanked (flat) track around which a bicyclist can travel…

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Q: A Formula 1 car drives at 40.0 m/s around a 90 degree turn with a radius of 32.5m.  a) what is the…

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Q: A boll rounds a 28 m radius curve at 6 m/s . The magnitude of it's acceleration in m/s²

A: Given data Radius of the curve (r) = 28m Velocity of the hall(v) = 6m/s

Q: 200 A vehicle prototype is being tested on a circular track of radius 200 m and is initially at rest…

A: A vehicle prototype is being tested on a circular track of radius and is initially at rest at…

Q: A boll rounds a 34 m radius curve at 18 m/s. The magnitude of it's acceleration in m/s2

A: Introduction :  In this question we are provided with value of speed and radius . With these data we…

Q: It takes 900 kg racing car 12.3 s to travel at a speed around a circular racetrack of radius 9 is…

A: Given data,Mass  of car is: m=900 kgTime period of motion is: T= 12.3 sRadius of circular track is:…

Q: 85. A plane travels N30°W at 450 mph and encounters a wind blowing due west at 30 mph. (See Example…

A: A vector quantity is the one that has magnitude and direction. displacement, velocity, and…

Q: The grid runs from -5 to 5 on both axes. Drawn on this grid are four vectors, labeled A⃗ A→ through…

A: Introduction: Vectors are the quantity which require both magnitude and direction for its…

Q: A cyclist going around a circular track at 10.0 m/s has a centripetal acceleration of 5.00 m/s2.…

A: Given that,Velocity of cyclist, v=10 m/s Centripetal acceleration of cyclist : ac=5 m/s2 Here we…

Q: Earth orbits our Sun counter-clockwise at m average speed 29 786 ™/ · Moon orbits Earth ccw at…

A: Given: The speed of the earth around the sun is 29786 m/s. The average distance covered by the moon…

Q: A boll rounds a 12 m radius curve at 3 m/s. The magnitude of it's acceleration in m/s2

A: Given data:  Radius (r) = 12 m Speed (v) = 3 m/s Required: The magnitude of the acceleration

Q: A boll rounds a 20 m radius curve at 10 m/s. The magnitude of it's in m/s² acceleration

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Q: Prior to landing at the airport, an airplane flies at a constant speed in a circular course with a…

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Q: The figure below shows a car traveling in a counterclockwise along a circular path.  If the radius…

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Q: An object 0.02 Kg moves at a constant speed of 9.0 m/s in a circular path of radius of 1.5 m. a.…

A: Given data: Mass (m) = 0.02 kg Constant Speed (v) = 9.0 m/s Radius (r) = 1.5 m Required: Centripetal…

Q: A boll rounds a 30 m radius curve at 12 m/s. The magnitude of it's acceleration in m/s2

A: Given data :    Radius   =  R    Speed    =   V        To find :            Acceleration