Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled is accelerated to a speed of 444 m/s in 1.83 seconds, then what is the acceleration and what is the distance that the sled travels?

Q: NASA is launching a rocket into space from Earth.  This particular rocket burns its fuel for 5…

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Q: A motorist drives north for 35 minutes at 85 km per hour and then stops for 15 minutes. He then…

A: Given: The speed of the motorist in the first go is 85 km/h. The time duration is 35 min. The…

Q: Starting at x = - 18 m at time t = 0 s, an object takes 15 s to travel 41 m in the +x direction at a…

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Q: Timnit has to pull the weeds in her mother's garden. She notices a caterpillar crawling along the…

A: Given quantities: The speed of the caterpillar (V) = 0.125 m/s Time taken to travel (t) = 8 seconds…

Q: Two cars leave an intersection, one 17 minutes after the other. The first car, A, travels north at…

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Q: June walks for 15 minutes at 0.165 km/ min but then she remembers she is suppose to meet her friend…

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Q: An object moves along the positive x-axis with a speed of V, =4 m/s for 2 seconds, then moves along…

A: Given: The velocity V1 is 4 m/s. The time duration is 2 s. The velocity V2 is 7 m/s. The time…

Q: elocity decreases linearly from 45 m/s to 0 m/s. 101 m 225 m 150 m 112 m

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Q: A honeybee leaves the hive , traveling at a speed of 4mph and returns 1 hour later . What was the…

A: t=Time taken=1 hours=Speed of honeybee=4 mph

Q: A cat chases a mouse across a 1.6 m high table. The mouse steps out of the way, and the cat slides…

A: Given data:  Height of table (h) = 1.6 m Cat slides off the table  Horizontal displacement (d) = 1.2…

Q: A rocket-powered sled moves along the track, eventually reaching a top speed of 230 m/s to the west.…

A: Given:-             Speed u =  230 m/s.    Final speed v = 0 m/s         Time taken t = 4.42 s…

Q: During the late 1940’s, Colonel John Paul Stapp was a pioneer in studying the effects of…

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Q: v (m/s) 4 2 2 3 t(s)

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Q: A child is sitting on the outer edge of a merry-go-round that is 18m in diameter. If the…

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Q: I am driving at 35 mph on a foggy day when I see a car 5 miles ahead of me stopped in the road with…

A: Given  Maxximum decelaration of car is 12 mph/s = 43200 mile/h² Distance of car initialy = 5 miles.…

Q: Holden is trying to determine the velocity of his race car. He went 20 meters east, turned around,…

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Q: Captain John Stapp is often referred to as the "fastest man on Earth." In the late 1940s and early…

A: Using equation  if motion we can find the stopping distance  and stopping  time for the runner

Q: The DR Horton Tower in Fort Worth is 400 m tall. Joe wants to set the world’s stair climbing record…

A: The expression from kinematics,

Q: A jet airplane touches down on an airport runway with a speed of 213 km/hr. It slows at a constant…

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Q: a cheetah and a gazelle are both stopped. The gazelle runs and accelerates so that it reaches a…

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Q: A bicyclist rides the first 60 km of a 220 km race in 1.5 hours. What is the bicyclist average…

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Q: A cart is traveling in a straight line with a constant speed of 104 m/s. How many meters will the…

A: Speed of cart =  v = 104m/sTime t = 1second

Q: On planet Blort the acceleration due to gravity is 2 meters/second2 . A Blortian stands on a tower…

A: Answer: Let the height of the tower be h0, the vertical distance traveled by the rock from tower to…

Q: A security guard walks at a steady pace, traveling 110 m in one trip around the perimeter of a…

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Q: A car starts a trip at mile marker 90 at 2:00 PM. At 5:00 PM, the trip concludes with the car at…

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Q: Starting at x = - 17 m at time t = 0 s, an object takes 17 s to travel 55 m in the +x direction at a…

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Q: A car traveling with an initial velocity of 5 m/s accelerates at a constant rate of 2 m/s2. What is…

A: The objective of the question is to find the final speed of the car after four seconds of…

Q: A car drives around a circular track. The track has a diameter of 100 m, and it takes 20 seconds for…

A: Givem, Diameter of circular track = 100 m Time taken = 20 s After completing one lap, initial and…

Q: A speeder traveling at 2 m/s passes a motorcycle policeman at rest at the side of the road. The…

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Q: After accelerating up to a speed of 20 m/s on his bike, Jim coasts (stops pedaling). Due to air drag…

A: Initial speed (u) = 20 m/s final speed (v) = 16 m/s t = 10 seconds

Q: At the instant a traffic light turns green, a car that has been waiting at the intersection starts…

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Q: At a stop light, a truck traveling at 15 m/s passes a car as it starts from rest. The truck travels…

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Q: The acceleration due to gravity at Earth's surface is 9.80 m/s2. What is the acceleration at…

A: Planets have a large amount of mass and hence a large gravitational field. They will attract…

Q: An object moves along a straight line and experiences a constant acceleration of +1.36 cm/s2. At t =…

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Q: Initially, an automobile is heading due north at a speed of 28m/s. What is the car's velocity after…

A: Given : vo = 28 m/s t = 6 seconds a = 4 m/s2

Q: displacement

A: Given: The runner starts running from her house and ends up back at her house. The total distance…

Q: one from the deck of a bridge. cer. The speed of sound is 342 rels from the water surface up

A: When the stone hits the water surface, sound waves are generated and propagated in all possible…

Q: A bullet traveling at a speed of 100m/s strikes a wall and penetrates 2 cm .How long does the bullet…

A: Given : vo = 100 m/s s = 2 cm = 0.02 m v = 0 m/s because finally the bullet stops

Q: Jaques ran a cross-country meet after school. After 3.5 minutes, he was 630 m from the starting…

A: The initial position xi=630 m at ti=3.5 minutes=210 s The final position xf=1260 m at tf=7.0 minutes…

Q: A motorist drives north for 35 minutes at 85 km/h and then stops for 15 minutes. He then continues…

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Q: Julie drives 91 mi to Grandmother's house. On the way to Grandmother's house, Julie drives half the…

A: Average speed is, vavg=total distancetotal time Total distance traveled by Julie on the way to…

Q: A person jogs three complete laps around a 200 m track in a total time of 11 minutes. What is the…

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