Choose the BEST answer to the following: If you travel at high speed, then compared with your friends who “stay at home,” you are (a) older. (b) younger. (c) no younger nor no older. (d) longer.

Q: A plane is flying at a velocity of 12m/s, if this accelerates and it reaches a velocity of 20m/s,…

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Q: Sarah is driving her car very smoothly from Austin to Dallas one day. At 6:00 pm she is traveling at…

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Q: What can you say about the distance- time graph of an object moving with constant accelerated…

A: The bodies had uniform motion, their velocity does not change with respect to time. Now let’s talk…

Q: Which of the following symptoms is likely to afflict an astronaut in space (a) swollen feet, (b)…

A: (a). In zero gravity the blood flow to the feet isn’t increased so the astronaut does not get…

Q: A stone is thrown vertically upward with a velocity of 40 feet per second from the top of a tower…

A: Answer:-  Given  When the stone is thrown vertically upwards.  Initial velocity (u) = 40 feet per…

Q: The fastest supersonic passenger jet is the Concorde. How long would it take the Concorde to travel…

A: Given:- v= 2150 km/h = Velocity of the jet d= 6265 km = distance to be traveled

Q: An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards.…

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Q: Suppose you are driving a car at 80 miles per hour. Again decelerating at 16 feet per second…

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Q: What does it mean if a plane is flying at a constant velocity?

A: A plane is flying at a constant velocity, means that there is no change in its velocity with its…

Q: Maria drops a stone from the top of a building. The stone falls 2.0 meters in the 1st second. If it…

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Q: Two astronomical bodies are 2 miles apart at first. How will the gravitational acceleration between…

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Q: How much distance does he travel ?

A: Given data; Speed of men=20 ms-1Time taken by him=60 minFind distance does he travel ?

Q: a car, initally traveling at 8.9 miles per hour, comes to rest in 8 s. What was its accleration in…

A: Given data: Initial velocity (v0) = 8.9 mi/hr Final velocity (v) = 0 m/s Time (t) = 8 s Required:…

Q: What happens to the separation distance between two people if they both walk north at the same rate…

A: If two people start walking north at the same rate from two locations on the Earth's equator, their…

Q: Calculate the acceleration of a spaceship that accelerates from a speed 200 m/s to a final speed of…

A: 3.  initial velocity, u =  200 m/s  final velocity, v = 250 m/s  time, t = 3 s  Let a is the…

Q: Choose the BEST answer to the following: At very high speeds, an object appears to an observer at…

A: The observation given in the question is based on length contraction and Doppler Effect when the…

Q: What is the speed of a jet plane that travels 528 meters in 4 seconds? 132 In a skateboarding race,…

A: Answer:-  (1)  Given  Distance (S) = 528 m  Time (t) = 4 seconds  Speed (V) = ?  Speed (V) =…

Q: Why might playing darts in an accelerating train be an issue?

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Q: an object is in free fall in the downward direction. at ine instant, it is traveling at a soeed of…

A: Write the variable with the given values. Apply first kinematical equation to calculate the final…

Q: what speed covers 20 miles in 2.5 hours

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Q: A projectile falls beneath the straight-line path it would follow if there were no gravity. How many…

A: When t=1sec, s=12gt2s=129.812s=4.9m

Q: A telephone is throw straight up at 12m/s. How high (in meters) above the point it was thrown will…

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Q: You and your best friend pass each other in the hallway , moving in opposite directions. At the…

A: Yes, it is possible to have same speed. Since speed is scalar quantity, it does not depend on…

Q: Differentiate between relative motion and relative velocity?

A: relative motion and relative velocity

Q: How does a car with an acceleration of 2.0m/s2 take to go from 10m/s to 30m/s?

A: Given data:  Acceleration (a) = 2.0 m/s2  Initial velocity (Vi) = 10 m/s Final velocity (Vf) = 30…

Q: 20 seconds O 10 seconds O 15 seconds O 5 seconds O O

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Q: Why is flying at hypersonic speed so difficult?

A: The speed which greatly exceeds the sound’s speed is said to be the hypersonic speed. On moving…

Q: An athlete can run long distances at 4 metres per second. How far can she run in: (a) 50 seconds,

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Q: What is speed and how is it determined?

A: What is speed and how is it determined?

Q: Give a conclusion about accelerated motion

A: There are two types of motion. One is constant velocity motion and the other is accelerating motion.…

Q: Are laws of Motion absolute or not? Why?

A: Laws of motion are- 1.  v = u+at2.  s = ut+12at23.  v2 = u2+2as Absolute motion is - Change in…

Q: Playing jackstone as a kid, you discovered that there is a certain time before the rubber ball falls…

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Q: Playing jackstone as a kid, you discovered that there is a certain time before the rubber ball falls…

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Q: A plane is flying at a velocity of 12m/s, if this accelerates and it reaches a velocity of 20m/s,…

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Q: You travel at a constant speed of 6.0 m/s for 2.0 s. If you triple the distance traveled in the same…

A: Givenspeed, v=6 msTime, t=2 s

Q: What was the average speed in meters per second of a race car that travels once every 8 seconds…

A: Write the given values with the suitable variables. t=8 sr=80 m Here, t is the time and r is the…

Q: What is distance

A: Introduction: The distance of the object is defined as the total movement of the object without any…

Q: If I am driving my car 70 MPH on the interstate with my windows up and a fly in the back seat flys…

A: Sol.

Q: You and Sally are walking to a local restaurant for dinner and disagree about which path would be…

A: Recall t1=d1/v1 t2=d2/v2 winner will take less time.

Q: How can travel distances be shortened or avoided?

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Q: Calculate the velocity of an object in meters per second if it has moved 10 ft. in 2 seconds. *…

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Q: What do you call a wiggle in space and time?

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Q: Acar travels a distance of 540km in 6 hours. What speed did it travel at?

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