omework i Saved A traveler covers a distance of 490 miles in a time of 18 hours. What is the average speed for this trip? km/h. The average speed for this trip is

Q: Rocket-powered sleds are used to test the human response to acceleration. If a rocket powered sled…

A: Given Data : The final speed of the sled is given as v=467 ms The time taken by the sled to reach…

Q: A student drives 40 km south in an attempt to get to a science fair competition before realizing he…

A: As per our guidelines, we are supposed to answer only first one question in case of multiple…

Q: A car accelerates from rest to 90km/h in 10 seconds. What is its acceleration in m/s2

A: Given: The velocity of the car is v=90 km/h. The time is t=10 s.   The velocity of car in m/s is…

Q: A sprinter accelerates from rest to 9.50 m/s in 1.28 s .       What is her…

A: The acceleration is

Q: A high-performance sports car can go from 0 to 100 mph (44.7 m/s) in 6.8 s. (Assume the car travels…

A: (a) The expression for average acceleration is, aavg=change in velocitytime elapsed…

Q: Assume that an MX missile goes from rest to a suborbital velocity of 3.50 km/s in 60.0 s (the actual…

A: Given that the missile starts its motion from rest, so that the initial velocity is zero. The final…

Q: Driving to Red Hook at night at 65 miles/hour, a Bard student sees a deer in the road 50 meters…

A: given initial speed u=65 mi/h = 0.447 * 65 =29.055 m/s acceleration a =-8 m/s distance between bear…

Q: Assume that an MX missile goes from rest to a suborbital velocity of 6.50 km/s in 60.0 s (the actual…

A:

Q: A jogger jogs around a circular track with a diameter of 225 m in 10. minutes. What was the jogger's…

A:

Q: Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled…

A: Write the equation of motion, and solve for the acceleration (a) of the sled.

Q: Secretariat is known as the horse with the fastest run in the Kentucky Derby. IfSecretariat’s record…

A: Average velocity is defined as the ratio of total displacement to the total time taken.

Q: Mr. M turns while riding his bike. His initial velocity was 6.4m/s [E30.0S]. His final velocity was…

A: Given,initial velocity (u)=6.4m/sfinal velocity (v)=8.5m/stime taken to complete turn (t)=3.8slet…

Q: A Prius has a velocity of 90 mi/hr North. What time will it take to travel 270 mi North?

A: The time taken (t) to cover a distance (D) with a velocity(v) is given as, t = Dv Given, is the…

Q: A high-performance sports car can go from 0 to 100 mph (44.7 m/s) in 5.8 s. (Assume the car travels…

A: (a)Given thatinitial velicity=0 m/sfinal velocity=44.7 m/stime=5.8 secAverage acceleration=final…

Q: river. It can swim 21.5m/s. A North American river otter wants to cross the North Saskatchewan at a…

A: speed of otter in calm water = 2.75 m/s width of river = 45 m current velocity = 2.5 m/s

Q: Alison walks 10 m down the hallway in 20 s, then stops and chats with her friend for 15 s, then…

A: For measuring average velocity      Avg. Velocity = Total distance/total time

Q: A sprinter accelerates from rest to 9.50 m/s in 1.26 s . What is her acceleration in m/s2? What is…

A: Given that,u = 0 m/sv = 9.50 m/st = 1.26 s

Q: Assume that an MX missile goes from rest to a suborbital velocity of 4.50 km/s in 50.0 s (the actual…

A: Given data *The given initial velocity is u = 0 m/s *The given final velocity is v = 4.50 km/s =…

Q: A car is at rest at a stop light.  When the light turns green, the car accelerates from rest to a…

A: Given: Initial speed u = 0 m/s. Final speed v = 32.27 mi/hr = 14.42 m/s. Time taken to achieve the…

Q: Q2) A train travels from station (A) to station (B) and back in 1 hour and 15 minutes. The distance…

A:

Q: A runner in a marathon passes the 5-mile mark at 1 o'clock and the 20-mile mark at 3 o'clock. What…

A: Given,

Q: A jeepney is moving west at 25m/s when the driver steps on the brakes and brings the jeep to a stop…

A:

Q: A car is moving on +X direction with 12 m/s and then accelerated to 20 m/s in 2 min. (A) find out…

A: Equation of kinematics: 1. v=u+at  2. x = ut +12at2.3. v2= u2 + 2ax Where u and v are initial…

Q: Calculate how long it took King Kong to fall straight down from the top of the Empire State Building…

A: Given data:  Initial velocity (v0 ) = 0 m/s Height of the building (h) = 380 m

Q: _15. A bicycle camper rides from his starting point to his first campsite one day, then continues to…

A:

Q: Q3 A truck travels 540 ft in 8 s while being decelerated at a constant rate of 1.5 fl/s. Determine…

A:

Q: A drag racer starts from rest and accelerates at 11.40 m/s2. How far has it traveled in 1.00 s,…

A:

Q: A runner in a marathon passes the 7-mile mark at 1 o'clock and the 18-mile mark at 5 o'clock. What…

A:

Q: An aircraft landing on an aircraft carrier is brought to a complete stop from an initial velocity of…

A: Given data :  Initial velocity of aircraft = 0 m/s  Final velocity of aircraft= 215 km/h  Time taken…

Q: A sprinter starting from rest on a straight and level track is able to achieve a speed of 17 m/s in…

A: The average acceleration can be given by aavg=v-ut

Q: The rocket sled starts from rest and accelerates at a = 30 + 2t m/s² until its velocity is 400 m/s.…

A: Given:-  The rocket sled starts from rest and accelerates at a = 30+2t m/s2 the rocket move with…

Q: A high-performance sports car can go from 0 to 100 mph (44.7 m/s) in 7.8 s. (Assume the car travels…

A:

Q: A cargo ship makes a short run between two docks: one in Mock Town. The other is in Logue Town. As…

A: Given data :                   Initial speed (u) = 7.4m/s                   Final speed (v) = 0 m/s…

Q: A runner in a marathon passes the 7-mile mark at 1 o'clock and the 21-mile mark at 3 o'clock. What…

A: A runner in a marathon passes the 7 mile mark at 1 0 clock.and21 mile mark at 3 o clock.total…

Q: What is his acceleration in m/s2

A:

Q: A cyclist travels 45 km in 4.8 hours. What is its average speed in m/s?

A: Given : d = 45 km = (45)(1000) = 45000 m t = 4.8 hours = (4.8)(3600) = 17280 seconds

Q: Assume that an MX missile goes from rest to a suborbital velocity of 3.50 km/s in 90.0 s (the actual…

A: Given  Initial velocity u=0m/s Final velocity v=3500m/s Time taken t=90s

Q: A train is moving along a straight section of the track with a velocity of 180 km/h. The braking…

A: Given: The velocity of train, u=180 kmhr=50 ms The braking deceleration, a=2 ms2 To determine: The…

Q: Haley is driving down a straight highway at 75 mph. A construction sign warns that the speed limit…

A: The initial speed of in m/s is The final speed in m/s is

Q: Speedy” the Super-Tortoise accelerates from a dead stop to 1 m/s in 60 s. What is his average…

A:

Q: An object is moving at speed of 30 m/s on a straight line when it starts to slow down at a rate of 5…

A: intial velocity of object is = 30 m/s acceleration = 5 m/s2  final velocity = 12 m/s acceleration =…

Q: Assume that an MX missile goes from rest to a suborbital velocity of 9.50 km/s in 50.0 s (the actual…

A:

Q: A jogger jogs around a circular track with a diameter of 225 m in 16 minutes. What was the jogger's…

A: Given data:  Diameter of circular track (d) = 225 m Time (t) = 16 minutes Required: The average…

Q: Q2):A train travels from station (A) to station (B) and back to the station (A) in 1 hour and 40…

A:

Q: A car travelling on a straight road initially at 53 km/h accelerates for 2.3 s at a constant…

A: Initial speed,  Time,  Acceleration,    Applying the first equation of motion, we have

Q: It took 96 hours to accelerate from 0 to 96 kilometers per hour. What was the acceleration in m/s/s

A:

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!