A family road trip starts out in a van travelling 50km at a velocity of 75km/ hr followed by a spot of slow traffic where they travel 10km at a velocity of 25km/hr. What is the average velocity during the trip km/hr?

Q: A woman drives 50 miles to the north. She stops, asks directions, and then drives 50 miles south. If…

A: Given,

Q: A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, and then 1.0 km…

A: Given:The travels Distance,The toatal distance,SS=1 km+1 km+1 km   =3 kmTime,t=45 min.What was the…

Q: A motorist drives north for 48.0 minutes at 75.0 km/h and then stops for 20.0 minutes. He then…

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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: The velocity of a diver just before hitting the water is -11.7 m/s, where the minus sign indicates…

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Q: The acceleration of a particle along an x axis is a = 6.2t, with t in seconds and a in meters per…

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Q: A cart is given an initial velocity of 9.5 m/s and experiences a constant acceleration of 1.2 m/s?.…

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Q: A bullet in a gun is accelerated from the firing chamber to the end of the barrel at an average rate…

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Q: A cart has an initial velocity of 43 m/s and accelerates at the rate of 13 m/s in the opposite…

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Q: At time t = 0 s, an object is observed at x = 0 m; and its position along the x axis follows this…

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Q: A suspicious-looking man runs as fast as he can along a moving sidewalk from one end to the other,…

A: Given:  time to go, t = 2.5 s  time to come back, t' = 0 s

Q: 5. In 5.0 s, a particle moving with constant acceleration along the x axis goes from x = 20 m to x =…

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Q: A motorcycle is initially moving at a speed of 80kph. if it accelerates at 2.1m/s2. t1=3s and…

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Q: During astronaut training, the person rides a simulated rocket, accelerating from rest to maximum…

A: Calculate the acceleration opposite to the direction of motion by using the kinematics equation,…

Q: If a car moves at the rate of 30mi/h for 6 min, then 60mi/h for 10 min, and finally 5 min/h for 3…

A: Given:  First 6 min, velocity = 30 mi/hr Next 10 min, velocity = 60 mi/hr Final 3 min, velocity = 5…

Q: A woman walks a distance of 250 m with an average speed of 1.5 m/s. How long did it take her to walk…

A: Distance walked by woman (d) = 250 m Average speed of woman (v) = 1.5 ms To find : The time taken by…

Q: You are driving down a street at 55 km/h. Suddenly, a child runs into the street. If it takes you…

A: Given Speed of vehicle  v= 55 km/h  = 55 × 5 / 18 m/s v = 15.3 m/s Time taken to react  t = 0.75 s…

Q: A particle's velocity is along the x-axis is described by v(t)=At+Bt^2, where,  t is in seconds and…

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Q: Given the velocity versus time graph. At what times is the acceleration zero? 5 4. 3 2 1 -1 -2- v…

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Q: A long distance runner has an average speed of 3.2 m/s. How far (in m) does the runner travel in 42…

A: Given information:The average speed of the runner (v) = 3.2 m/sThe time for which the runner runs…

Q: A motorist travels for 2h at 70 km/h and 1h at 100 km/h. What is her average speed for the trip? *

A: The initial speed, u=70 km/h   The initial time taken, t1=2 h   The final speed, v=100 km/h   The…

Q: A car accelerates from rest at 2.5 m/s2, travels with a constant velocity of 90 km/h and then…

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Q: A well-thrown ball is caught in a well-padded mitt. If the deceleration of the ball is 2.10×104 m/s2…

A: The ball’s deceleration is, The time interval of the ball is, In the last, the ball stops, so the…

Q: Over a distance of 260 meters, an automobile going initially at +5.0 m/s accelerates evenly at +0.20…

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Q: Nerve impulses in the human body travel at a speed of about 100 m/s. A 2.0 m tall man accidentally…

A: Given: The velocity of nerve impulse (v) = 100 m/s. Height of man (h) = 2.0 m.

Q: A truck travels 40 m in 4.5 s, decelerating smoothly and decreasing its speed to 2.8 m / s ^ 2. What…

A: It is given that, s=40 mt=4.5 sv=2.8 m/s

Q: A jet plane moving at 300 m/s accelerates at a constant rate to 400 m/s over a distance of 3.5 km.…

A: By equation of motion:- V2 = U2 + 2.a.s Here, s = travelled distance = 3.5 Km = 3500 m u = initial…

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

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Q: A bald eagle flies a distance of 140 km, north in 1.5 hours. Then it flies another 45 km in the same…

A: Given data The total distance traveled by the eagle is d = 140 km + 45 km = 185 km. The total time…

Q: The Shanghai maglev train connects Longyang Road to Pudong International Airport, a distance of 30…

A: Given The distance travelled by the maglev train is Δx = 30 km = 30 x 103 m. The time taken to cover…

Q: To pass a physical fitness test, Massimo must run 1000 m at an average rate of 4.00 m/s. He runs the…

A: Given information : Average speed = 4 m/s Distance = 1000m Time required to cover 1000 m at average…

Q: A westward moving bicycle slows down from 10.0 m/s to 4.0 m/s in 3.0 seconds. What is the magnitude…

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Q: average speed in km/hr

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Q: A motorist drives north for 48.0 minutes at 75.0 km/h and then stops for 20.0 minutes. He then…

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Q: A tennis ball is tossed vertically upwards and travels a distance of 6.5 m in 1.2 seconds. What was…

A: Given  Distance = D = 6.5 m  Time = T= 1.2 sec  U =?????   a =-g = -9.8 m/s²

Q: A stone is thrown vertically upward from the ground with an initial velocity of 40 ft/s. How high…

A: Given Initial velocity of stone = 40 ft/s in upward direction We have to calculate the maximum…

Q: A body is moving in a straight line as shown in velocity-time graph. The displacement and distance…

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Q: Let's Analyze Consider the table and velocity vs. time graph below. Convert it into an acceleration…

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Q: What is the average speed of a car during the first 10 seconds of acceleration when it starts from…

A: Given-  Acceleration a=3 ft/s2 Time t =10  seconds

Q: A drag racer crosses the finish line, and the driver deploys a parachute and applies the breaks to…

A: Given- Begains slowdown at time (ts) = 6 sec Initial Velocity of car (v) = 28 m/s  Time (t) = 12 sec…

Q: A car is moving with a velocity v(t)= 100-t2   in units of ft/sec where t is in seconds when the…

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Q: a parked police car takes off after a suspect and reaches 65.6km/hr in 6.49 seconds. What was the…

A: Given data: Velocity of car, v=65.6 km/h=65.6×1000 m3600 s=18.22 m/s Time interval, t=6.49 s

Q: A particle moves according to the equation y(t) =1.5t2+4t-1, where y is in meters and t is in…

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Q: To visit your friend, you first drive on a highway at 55 mi/h for 1.6 hours and then drive on a…

A: Given first velocity v1= 55 mi/h for time t1 = 1.6 hour another velocity v2= 20 mi/h for time t2 =…

Q: As part of an exercise program, a woman walks south at a speed of 2.00 m/s for 60.0 minutes. She…

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –